{"id":234934,"date":"2024-08-13T11:33:39","date_gmt":"2024-08-13T09:33:39","guid":{"rendered":"https:\/\/staging.cloudtalk.io\/blog\/%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9-%cf%84%ce%bf-isdn-%ce%b3%ce%b9%ce%b1%cf%84%ce%af-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9-%cf%83%ce%b7%ce%bc%ce%b1%ce%bd%cf%84%ce%b9%ce%ba%cf%8c\/"},"modified":"2024-11-06T16:56:09","modified_gmt":"2024-11-06T14:56:09","slug":"%cf%84%ce%b9-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9-%cf%84%ce%bf-isdn-%ce%b3%ce%b9%ce%b1%cf%84%ce%af-%ce%b5%ce%af%ce%bd%ce%b1%ce%b9-%cf%83%ce%b7%ce%bc%ce%b1%ce%bd%cf%84%ce%b9%ce%ba%cf%8c","status":"publish","type":"post","link":"https:\/\/test-staging.cloudtalk.io\/el\/blog\/%CF%84%CE%B9-%CE%B5%CE%AF%CE%BD%CE%B1%CE%B9-%CF%84%CE%BF-isdn-%CE%B3%CE%B9%CE%B1%CF%84%CE%AF-%CE%B5%CE%AF%CE%BD%CE%B1%CE%B9-%CF%83%CE%B7%CE%BC%CE%B1%CE%BD%CF%84%CE%B9%CE%BA%CF%8C\/","title":{"rendered":"\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf ISDN: \u0393\u03b9\u03b1\u03c4\u03af \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc"},"content":{"rendered":"\n<div id=\"left-panel\" class=\"wp-block-group left-panel\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<h1 class=\"wp-block-heading\">\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf ISDN, \u03c0\u03ce\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03ba\u03b1\u03b9 \u03b3\u03b9\u03b1\u03c4\u03af \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc<\/h1>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-orange-background-color has-text-color has-background wp-element-button\"   href=\"https:\/\/test-staging.cloudtalk.io\/demo\/\" style=\"border-radius:3px\">\u03a0\u03a9\u039b\u0397\u03a3\u0395\u0399\u03a3 \u0395\u03a0\u0399\u039a\u039f\u0399\u039d\u03a9\u039d\u0399\u0391\u03a3<\/a><\/div>\n\n\n\n<div class=\"wp-block-button btn-ghost\"><a class=\"wp-block-button__link has-grey-color has-light-white-background-color has-text-color has-background wp-element-button\"   href=\"https:\/\/test-staging.cloudtalk.io\/signup\/\" style=\"border-radius:3px\">\u0394\u039f\u039a\u0399\u039c\u0386\u03a3\u03a4\u0395 \u0394\u03a9\u03a1\u0395\u0391\u039d<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n<div class=\"wp-block-group container-short\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/test-staging.cloudtalk.io\/wp-content\/uploads\/2024\/05\/blog-illustration-1-1-1024x576.png\" alt=\"\" class=\"wp-image-213374\" srcset=\"https:\/\/test-staging.cloudtalk.io\/wp-content\/uploads\/2024\/05\/blog-illustration-1-1-1024x576.png 1024w, https:\/\/test-staging.cloudtalk.io\/wp-content\/uploads\/2024\/05\/blog-illustration-1-1-300x169.png 300w, https:\/\/test-staging.cloudtalk.io\/wp-content\/uploads\/2024\/05\/blog-illustration-1-1-768x432.png 768w, https:\/\/test-staging.cloudtalk.io\/wp-content\/uploads\/2024\/05\/blog-illustration-1-1-1536x864.png 1536w, https:\/\/test-staging.cloudtalk.io\/wp-content\/uploads\/2024\/05\/blog-illustration-1-1-2048x1152.png 2048w, https:\/\/test-staging.cloudtalk.io\/wp-content\/uploads\/2024\/05\/blog-illustration-1-1-1920x1080.png 1920w, https:\/\/test-staging.cloudtalk.io\/wp-content\/uploads\/2024\/05\/blog-illustration-1-1-1320x742.png 1320w, https:\/\/test-staging.cloudtalk.io\/wp-content\/uploads\/2024\/05\/blog-illustration-1-1-760x428.png 760w, https:\/\/test-staging.cloudtalk.io\/wp-content\/uploads\/2024\/05\/blog-illustration-1-1-424x239.png 424w, https:\/\/test-staging.cloudtalk.io\/wp-content\/uploads\/2024\/05\/blog-illustration-1-1-200x113.png 200w, https:\/\/test-staging.cloudtalk.io\/wp-content\/uploads\/2024\/05\/blog-illustration-1-1-88x50.png 88w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-black-color has-text-color has-medium-font-size\">\u03a4\u03bf ISDN (Integrated Services Digital Network) \u03ad\u03c6\u03b5\u03c1\u03b5 \u03b5\u03c0\u03b1\u03bd\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c3\u03c4\u03b9\u03c2 \u03c4\u03b7\u03bb\u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b5\u03c2, \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7 \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7 \u03c6\u03c9\u03bd\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03bc\u03ad\u03c3\u03c9 \u03c4\u03c9\u03bd \u03c0\u03b1\u03c1\u03b1\u03b4\u03bf\u03c3\u03b9\u03b1\u03ba\u03ce\u03bd \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ce\u03bd \u03b3\u03c1\u03b1\u03bc\u03bc\u03ce\u03bd.\n\u03a4\u03ce\u03c1\u03b1, \u03bf\u03b9 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03c6\u03b1\u03c3\u03af\u03c3\u03bf\u03c5\u03bd \u03c0\u03ce\u03c2 \u03c4\u03bf ISDN \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03bd\u03b5\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b5\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf VoIP (Voice over Internet Protocol). <\/p>\n\n\n\n<p>\u0391\u03c5\u03c4\u03cc \u03b5\u03b3\u03b5\u03af\u03c1\u03b5\u03b9 \u03c4\u03bf \u03b5\u03c1\u03ce\u03c4\u03b7\u03bc\u03b1: \u0395\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf ISDN \u03b1\u03ba\u03cc\u03bc\u03b7 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc;<\/p>\n\n\n\n<p>\u03a3\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03ac\u03c1\u03b8\u03c1\u03bf, \u03b5\u03be\u03b5\u03c4\u03ac\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b1 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ac \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03c4\u03bf\u03c5 ISDN, \u03c4\u03b1 \u03c0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03ac \u03c4\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03b5 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03bc\u03b5 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03b5\u03bd\u03b1\u03bb\u03bb\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bb\u03cd\u03c3\u03b5\u03b9\u03c2, \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2 \u03c3\u03b1\u03c2 \u03bc\u03b5 \u03c3\u03cd\u03bd\u03b5\u03c3\u03b7.<\/p>\n\n\n\n<p><strong>\u0392\u03b1\u03c3\u03b9\u03ba\u03ac \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03ac\u03c3\u03bc\u03b1\u03c4\u03b1:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u03a4\u03bf ISDN (Integrated Services Digital Network) \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03cc \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03cc \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7 \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7 \u03c6\u03c9\u03bd\u03ae\u03c2, \u03b2\u03af\u03bd\u03c4\u03b5\u03bf \u03ba\u03b1\u03b9 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03bc\u03ad\u03c3\u03c9 \u03c0\u03b1\u03c1\u03b1\u03b4\u03bf\u03c3\u03b9\u03b1\u03ba\u03ce\u03bd \u03c7\u03ac\u03bb\u03ba\u03b9\u03bd\u03c9\u03bd \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ce\u03bd \u03b3\u03c1\u03b1\u03bc\u03bc\u03ce\u03bd.  <\/li>\n\n\n\n<li>\u03a4\u03bf ISDN \u03c0\u03b1\u03c1\u03b5\u03af\u03c7\u03b5 \u03b9\u03c3\u03c4\u03bf\u03c1\u03b9\u03ba\u03ac \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7, \u03c3\u03b1\u03c6\u03ae \u03ba\u03b1\u03b9 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b7 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1.\n\u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b7 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b7 \u03c3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03ae \u03c4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b1\u03c0\u03b1\u03bd\u03b7\u03c1\u03ae \u03ba\u03b1\u03b9 \u03ad\u03c7\u03b5\u03b9 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf \u03b5\u03cd\u03c1\u03bf\u03c2 \u03b6\u03ce\u03bd\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03c5\u03b5\u03bb\u03b9\u03be\u03af\u03b1. <\/li>\n\n\n\n<li>\u039f\u03b9 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b9\u03b4\u03b9\u03ce\u03c4\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c3\u03c4\u03c1\u03b1\u03c6\u03bf\u03cd\u03bd \u03c3\u03c4\u03bf VoIP \u03b3\u03b9\u03b1 \u03c0\u03b9\u03bf \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ac \u03b1\u03c0\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2, \u03b5\u03c5\u03ad\u03bb\u03b9\u03ba\u03c4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03bb\u03b9\u03bc\u03b1\u03ba\u03bf\u03cd\u03bc\u03b5\u03bd\u03b5\u03c2 \u03bb\u03cd\u03c3\u03b5\u03b9\u03c2 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b4\u03b5\u03bd \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03b5\u03ba\u03c4\u03b5\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae \u03c5\u03c0\u03bf\u03b4\u03bf\u03bc\u03ae \u03ba\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c0\u03c1\u03bf\u03b7\u03b3\u03bc\u03ad\u03bd\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c0\u03bf\u03c5 \u03b5\u03bd\u03b9\u03c3\u03c7\u03cd\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf ISDN?<\/strong><\/h2>\n\n\n\n<p>ISDN \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 Integrated Services Digital Network, \u03ad\u03bd\u03b1 \u03c0\u03c1\u03bf\u03b7\u03b3\u03bc\u03ad\u03bd\u03bf \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03cc \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03b4\u03af\u03b4\u03b5\u03b9 \u03c6\u03c9\u03bd\u03ae \u03ba\u03b1\u03b9 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03bc\u03ad\u03c3\u03c9 \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ce\u03bd \u03b3\u03c1\u03b1\u03bc\u03bc\u03ce\u03bd.  <\/p>\n\n\n\n<p>\u0395\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd, \u03b8\u03ad\u03c4\u03b5\u03b9 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7 \u03c6\u03c9\u03bd\u03ae\u03c2, \u03b2\u03af\u03bd\u03c4\u03b5\u03bf \u03ba\u03b1\u03b9 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03bc\u03ad\u03c3\u03c9 \u03c4\u03bf\u03c5 \u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf\u03c5 \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03bf\u03cd \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5.  <\/p>\n\n\n\n<p>\u0397 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03b1\u03c5\u03c4\u03ae \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03b5\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b5\u03c2 \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03bf\u03c5\u03c2 \u03c5\u03c0\u03b1\u03bb\u03bb\u03ae\u03bb\u03bf\u03c5\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03c3\u03b5 \u03cc\u03bb\u03bf \u03c4\u03bf\u03bd \u03ba\u03cc\u03c3\u03bc\u03bf \u03bc\u03ad\u03c3\u03c9 \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ce\u03bd \u03b3\u03c1\u03b1\u03bc\u03bc\u03ce\u03bd \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2, \u03c0\u03c1\u03bf\u03c9\u03b8\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03bc\u03b1\u03ba\u03c1\u03c5\u03c3\u03bc\u03ad\u03bd\u03b7 \u03c3\u03c5\u03bd\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1.  <\/p>\n\n\n\n<p>\u0388\u03bd\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 \u03c7\u03c1\u03ae\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03bc\u03cc\u03bd\u03c4\u03b5\u03bc ISDN, \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03c5\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ad\u03c2 \u03c3\u03c4\u03bf \u03b4\u03af\u03ba\u03c4\u03c5\u03bf ISDN \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03c5\u03bd \u03c4\u03b1\u03c7\u03cd\u03c4\u03b5\u03c1\u03b5\u03c2 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03b9\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ac \u03bc\u03cc\u03bd\u03c4\u03b5\u03bc, \u03b9\u03b4\u03af\u03c9\u03c2 \u03c3\u03b5 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ad\u03c2 \u03bc\u03b5 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b7 \u03b5\u03c5\u03c1\u03c5\u03b6\u03c9\u03bd\u03b9\u03ba\u03ae \u03c3\u03c5\u03bd\u03b4\u03b5\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1.  <\/p>\n\n\n\n<p>\u0391\u03bd \u03ba\u03b1\u03b9 \u03ae\u03c4\u03b1\u03bd \u03b7 \u03c0\u03c1\u03ce\u03c4\u03b7 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b1 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2, \u03ad\u03c7\u03b5\u03b9 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03b1\u03b8\u03b5\u03af \u03b1\u03c0\u03cc \u03c0\u03b9\u03bf \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b5\u03c2 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b5\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf VoIP, \u03c4\u03bf \u03bf\u03c0\u03bf\u03af\u03bf \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03bc\u03cc\u03bd\u03bf \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03c3\u03c4\u03bf \u03b4\u03b9\u03b1\u03b4\u03af\u03ba\u03c4\u03c5\u03bf.<\/p>\n\n\n\n<div style=\"height:41px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group blog-related-posts\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h6 class=\"wp-block-heading\">\u03a3\u03c5\u03bd\u03b9\u03c3\u03c4\u03ce\u03bc\u03b5\u03bd\u03b1 \u03ac\u03c1\u03b8\u03c1\u03b1<\/h6>\n\n\n\n<div class=\"wp-block-group side-text\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p>\u03a3\u03c5\u03bd\u03b9\u03c3\u03c4\u03ce\u03bc\u03b5\u03bd\u03b7<\/p>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a   href=\"https:\/\/test-staging.cloudtalk.io\/blog\/voip-implementation\/\"><\/a><a   href=\"https:\/\/test-staging.cloudtalk.io\/blog\/voip-implementation\/\">\u03a0\u03ce\u03c2 \u03bd\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf VoIP?<\/a><\/li>\n\n\n\n<li><a   href=\"https:\/\/test-staging.cloudtalk.io\/blog\/voip-advantages-and-disadvantages\/\"><\/a><a   href=\"https:\/\/test-staging.cloudtalk.io\/blog\/voip-advantages-and-disadvantages\/\">\u03a3\u03c4\u03b1\u03b8\u03b5\u03c1\u03cc VoIP &#8211; \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c7\u03b5\u03af\u03c1\u03b7\u03c3\u03ae \u03c3\u03b1\u03c2;<\/a><\/li>\n\n\n\n<li><a   href=\"https:\/\/test-staging.cloudtalk.io\/blog\/voip-alternatives\/\"><\/a><a   href=\"https:\/\/test-staging.cloudtalk.io\/blog\/voip-alternatives\/\">\u0391\u03bd\u03b1\u03ba\u03b1\u03bb\u03cd\u03c8\u03c4\u03b5 12 \u03b5\u03bd\u03b1\u03bb\u03bb\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bb\u03cd\u03c3\u03b5\u03b9\u03c2 VoIP \u03c4\u03bf 2024<\/a><\/li>\n\n\n\n<li><a   href=\"https:\/\/test-staging.cloudtalk.io\/blog\/voip-advantages-and-disadvantages\/\"><\/a><a   href=\"https:\/\/test-staging.cloudtalk.io\/blog\/voip-advantages-and-disadvantages\/\">\u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03bf\u03c5 VoIP<\/a><\/li>\n\n\n\n<li><a   href=\"https:\/\/test-staging.cloudtalk.io\/blog\/what-is-qos-in-business-telephony\/\"><\/a><a   href=\"https:\/\/test-staging.cloudtalk.io\/blog\/what-is-qos-in-business-telephony\/\">\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf VoIP QoS?<\/a><\/li>\n\n\n\n<li><a   href=\"https:\/\/test-staging.cloudtalk.io\/blog\/8-most-common-voip-problems-and-how-to-fix-them\/\"><\/a><a   href=\"https:\/\/test-staging.cloudtalk.io\/blog\/8-most-common-voip-problems-and-how-to-fix-them\/\">\u03a0\u03ce\u03c2 \u03bd\u03b1 \u03bb\u03cd\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b1 9 \u03c0\u03b9\u03bf \u03c3\u03c5\u03bd\u03b7\u03b8\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1 VoIP?<\/a><\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div style=\"height:41px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u0394\u03b9\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd ISDN \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03b4\u03bf\u03c3\u03b9\u03b1\u03ba\u03ce\u03bd \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ce\u03bd \u03c3\u03c5\u03c3\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd<\/strong><\/h2>\n\n\n\n<p>\u03a4\u03bf \u03c0\u03b1\u03c1\u03b1\u03b4\u03bf\u03c3\u03b9\u03b1\u03ba\u03cc \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03cc \u03b4\u03af\u03ba\u03c4\u03c5\u03bf, \u03b3\u03bd\u03c9\u03c3\u03c4\u03cc \u03c9\u03c2 \u0394\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf \u03a4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03cc \u0394\u03af\u03ba\u03c4\u03c5\u03bf \u039c\u03b5\u03c4\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2<a   href=\"https:\/\/test-staging.cloudtalk.io\/pstn-vs-voip\/\" target=\"_blank\" rel=\"noreferrer noopener\">(PSTN<\/a>) \u03ae Plain Old Telephone Service (POTS), \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03bc\u03b1\u03c2 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bc\u03b5 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ad\u03c2 \u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03b1\u03b3\u03ba\u03bf\u03c3\u03bc\u03af\u03c9\u03c2.  <\/p>\n\n\n\n<p>\u03a4\u03bf \u03b4\u03af\u03ba\u03c4\u03c5\u03bf \u03b1\u03c5\u03c4\u03cc \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c0\u03b1\u03c1\u03b1\u03b4\u03bf\u03c3\u03b9\u03b1\u03ba\u03ae \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03c4\u03c9\u03bd \u03ba\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd \u03bc\u03ad\u03c3\u03c9 \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ce\u03bd \u03c3\u03c4\u03cd\u03bb\u03c9\u03bd \u03ba\u03b1\u03b9 \u03ba\u03b1\u03bb\u03c9\u03b4\u03af\u03c9\u03bd \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b1\u03bd\u03ad\u03bc\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c0\u03b1\u03bd\u03c4\u03bf\u03cd.<\/p>\n\n\n\n<p>\u03a0\u03bf\u03b9\u03b5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03cc\u03bc\u03c9\u03c2 \u03bf\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd PSTN \u03ba\u03b1\u03b9 ISDN? <\/p>\n\n\n\n<p><strong>\u0391\u03c2 \u03c4\u03b9\u03c2 \u03b5\u03be\u03b5\u03c1\u03b5\u03c5\u03bd\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5:<\/strong><\/p>\n\n\n\n<div class=\"wp-block-group container-fluid\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group ct-table-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns ct-table-header header-simple is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" id=\"Feature\">\n<div class=\"wp-block-group ct-table-header-group first-party-usage has-white-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-center\">\u03a7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc \u03b3\u03bd\u03ce\u03c1\u03b9\u03c3\u03bc\u03b1<\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" id=\"PSDN\">\n<p class=\"has-text-align-center\"><strong>PSDN<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" id=\"ISDN\">\n<div class=\"wp-block-group ct-table-header-group third-party-usage\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-center\"><strong>ISDN<\/strong><\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns ct-table-header-group is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>\u03a4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03b1\u03bd\u03b1\u03bb\u03bf\u03b3\u03b9\u03ba\u03ae \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ae \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1, \u03c0\u03b9\u03bf \u03ba\u03b1\u03b8\u03b1\u03c1\u03ad\u03c2 \u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03bb\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03bf \u03b5\u03c0\u03b9\u03c1\u03c1\u03b5\u03c0\u03b5\u03af\u03c2 \u03c3\u03b5 \u03c0\u03b1\u03c1\u03b5\u03bc\u03b2\u03bf\u03bb\u03ad\u03c2.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns ct-table-header-group is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>\u03a4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u0391\u03c1\u03b3\u03cc\u03c4\u03b5\u03c1\u03b7 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u03a4\u03b1\u03c7\u03cd\u03c4\u03b5\u03c1\u03b7 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03ae \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bb\u03b5\u03b4\u03b9\u03b1\u03c3\u03ba\u03ad\u03c8\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03bc\u03b7\u03bd\u03cd\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03bb\u03c5\u03bc\u03ad\u03c3\u03c9\u03bd.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns ct-table-header-group is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>\u0395\u03c5\u03b5\u03bb\u03b9\u03be\u03af\u03b1<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u0391\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03be\u03b5\u03c7\u03c9\u03c1\u03b9\u03c3\u03c4\u03ad\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03c6\u03c9\u03bd\u03ae \u03ba\u03b1\u03b9 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u03a7\u03b5\u03b9\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c6\u03c9\u03bd\u03ae \u03ba\u03b1\u03b9 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c4\u03b1\u03c5\u03c4\u03cc\u03c7\u03c1\u03bf\u03bd\u03b1 \u03c3\u03b5 \u03bc\u03af\u03b1 \u03bc\u03cc\u03bd\u03bf \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns ct-table-header-group is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>\u0394\u03b9\u03b1\u03b8\u03b5\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1  <\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u0395\u03c5\u03c1\u03ad\u03c9\u03c2 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c3\u03b9\u03bc\u03bf.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u0395\u03bd\u03b4\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03bc\u03b7\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c3\u03b9\u03bc\u03bf \u03c3\u03b5 \u03b1\u03b3\u03c1\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ad\u03c2.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns ct-table-header-group is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>\u0395\u03cd\u03c1\u03bf\u03c2 \u03b6\u03ce\u03bd\u03b7\u03c2<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u039c\u03b5\u03c4\u03b1\u03b4\u03af\u03b4\u03b5\u03b9 \u03bb\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b1\u03bd\u03ac \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03bf.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u039c\u03b5\u03c4\u03b1\u03b4\u03af\u03b4\u03b5\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b1\u03bd\u03ac \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03bf, \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03bf \u03b3\u03b9\u03b1 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b5\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns ct-table-header-group is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>\u039a\u03cc\u03c3\u03c4\u03bf\u03c2<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u0393\u03b5\u03bd\u03b9\u03ba\u03ac \u03c0\u03b9\u03bf \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03cc.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b4\u03b1\u03c0\u03b1\u03bd\u03b7\u03c1\u03ae \u03b7 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b7 \u03c3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns ct-table-header-group is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>\u03a0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03b9\u03ce\u03bd<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u039b\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03bf \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03bf \u03c3\u03ae\u03bc\u03b1.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u03a0\u03b9\u03bf \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03bf \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c0\u03ad\u03c2 \u03c3\u03ae\u03bc\u03b1.<\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:32px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-ct-evo-cta-simple-panel cta-simple-panel\" style=\"background-color:#EBEEFF\"><div class=\"cta-simple-panel-inner\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p>\u0391\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03ba\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd \u03bc\u03b5 VoIP<\/p>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"393\" height=\"390\" src=\"https:\/\/test-staging.cloudtalk.io\/wp-content\/uploads\/2021\/11\/CT_Web_Banner_General_Illustration_07.svg\" alt=\"\" class=\"wp-image-323\"\/><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\"   href=\"https:\/\/test-staging.cloudtalk.io\/el\/cloudtalk-14-%CE%B7%CE%BC%CE%B5%CF%81%CF%8E%CE%BD-%CE%B4%CF%89%CF%81%CE%B5%CE%AC%CE%BD-%CE%B4%CE%BF%CE%BA%CE%B9%CE%BC%CE%AE\/\">\u039e\u03b5\u03ba\u03b9\u03bd\u03ae\u03c3\u03c4\u03b5 \u03b4\u03c9\u03c1\u03b5\u03ac\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u03a0\u03ce\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c4\u03bf ISDN<\/strong><\/h2>\n\n\n\n<p>\u03a4\u03bf ISDN \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7 \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7 \u03c6\u03c9\u03bd\u03ae\u03c2, \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03c9\u03bd \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03b9\u03ce\u03bd \u03bc\u03ad\u03c3\u03c9 \u03c0\u03b1\u03c1\u03b1\u03b4\u03bf\u03c3\u03b9\u03b1\u03ba\u03ce\u03bd \u03c7\u03ac\u03bb\u03ba\u03b9\u03bd\u03c9\u03bd \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ce\u03bd \u03b3\u03c1\u03b1\u03bc\u03bc\u03ce\u03bd.<\/p>\n\n\n\n<p>\u0395\u03bd\u03ce \u03c4\u03b1 \u03b1\u03bd\u03b1\u03bb\u03bf\u03b3\u03b9\u03ba\u03ac \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c3\u03c4\u03ad\u03bb\u03bd\u03bf\u03c5\u03bd \u03b1\u03c5\u03c4\u03ac \u03c4\u03b1 \u03c3\u03ae\u03bc\u03b1\u03c4\u03b1 \u03bc\u03b5 \u03c4\u03b7 \u03bc\u03bf\u03c1\u03c6\u03ae \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03bd \u03ba\u03c5\u03bc\u03ac\u03c4\u03c9\u03bd, \u03c4\u03b1 \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ac \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 ISDN \u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03ad\u03c0\u03bf\u03c5\u03bd \u03b1\u03c5\u03c4\u03ac \u03c4\u03b1 \u03b1\u03bd\u03b1\u03bb\u03bf\u03b3\u03b9\u03ba\u03ac \u03c3\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c3\u03b5 \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ad\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2.<\/p>\n\n\n\n<p>\u03a0\u03ce\u03c2 \u03c4\u03bf \u03ba\u03ac\u03bd\u03b5\u03b9 \u03b1\u03c5\u03c4\u03cc;\n\u039f \u03b4\u03b9\u03b1\u03c7\u03c9\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c4\u03b7\u03c2 \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ae\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2 \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b1 \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ac \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1\u03c5\u03c4\u03cc\u03c7\u03c1\u03bf\u03bd\u03b5\u03c2 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c3\u03b5 \u03bc\u03af\u03b1 \u03bc\u03cc\u03bd\u03bf \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae. <\/p>\n\n\n\n<p>\u03a6\u03b1\u03bd\u03c4\u03b1\u03c3\u03c4\u03b5\u03af\u03c4\u03b5 \u03c4\u03bf \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03cc \u03b4\u03af\u03ba\u03c4\u03c5\u03bf \u03c9\u03c2 \u03b1\u03c5\u03c4\u03bf\u03ba\u03b9\u03bd\u03b7\u03c4\u03cc\u03b4\u03c1\u03bf\u03bc\u03bf \u03bc\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5\u03c2 \u03bb\u03c9\u03c1\u03af\u03b4\u03c9\u03bd.\n\u0391\u03c5\u03c4\u03ac \u03b8\u03b1 \u03ae\u03c4\u03b1\u03bd \u03c4\u03b1 \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ac \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9\u03b1 \u03c3\u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03c4\u03bf ISDN \u03c7\u03c9\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ae \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae: <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u039a\u03b1\u03bd\u03ac\u03bb\u03b9\u03b1 B (\u03a6\u03bf\u03c1\u03ad\u03b1\u03c2):<\/strong> \u0391\u03c5\u03c4\u03bf\u03af \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b1\u03bd \u03c4\u03b9\u03c2 \u03ba\u03cd\u03c1\u03b9\u03b5\u03c2 \u03bb\u03c9\u03c1\u03af\u03b4\u03b5\u03c2.\n\u039c\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03c0\u03b9\u03bf \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ad\u03c2 \u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5. <\/li>\n\n\n\n<li><strong>\u039a\u03b1\u03bd\u03ac\u03bb\u03b9\u03b1 D (\u0394\u03ad\u03bb\u03c4\u03b1): <\/strong>\u039a\u03b1\u03bd\u03ac\u03bb\u03b9\u03b1: \u0391\u03c5\u03c4\u03ac \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b1\u03bd \u03c4\u03b9\u03c2 \u03bb\u03c9\u03c1\u03af\u03b4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7.\n\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c3\u03b7\u03bc\u03b1\u03c4\u03bf\u03b4\u03cc\u03c4\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03bd \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2, \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03c4\u03b5\u03c1\u03bc\u03b1\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c9\u03c3\u03c4\u03ac.\n\u0395\u03bd \u03bf\u03bb\u03af\u03b3\u03bf\u03b9\u03c2, \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03cc\u03bb\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03c3\u03c9\u03c3\u03c4\u03ac.  <\/li>\n<\/ul>\n\n\n\n<p>\u03a3\u03c5\u03bd\u03bf\u03c0\u03c4\u03b9\u03ba\u03ac, \u03c4\u03b1 \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9\u03b1 \u0392 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03ba\u03cd\u03c1\u03b9\u03b5\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b8\u03ad\u03bb\u03bf\u03c5\u03bc\u03b5 \u03bd\u03b1 \u03c3\u03c4\u03b5\u03af\u03bb\u03bf\u03c5\u03bc\u03b5 \u03ae \u03bd\u03b1 \u03bb\u03ac\u03b2\u03bf\u03c5\u03bc\u03b5, \u03b5\u03bd\u03ce \u03c4\u03b1 \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9\u03b1 \u0394 \u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03bf\u03bc\u03b1\u03bb\u03ae \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5, \u03c3\u03c5\u03bd\u03c4\u03bf\u03bd\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b5\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u03a4\u03cd\u03c0\u03bf\u03b9 ISDN<\/strong><\/h2>\n\n\n\n<p>\u03a5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd 2 \u03ba\u03cd\u03c1\u03b9\u03bf\u03b9 \u03c4\u03cd\u03c0\u03bf\u03b9 \u03b4\u03b9\u03b1\u03bc\u03bf\u03c1\u03c6\u03ce\u03c3\u03b5\u03c9\u03bd ISDN: \u0394\u03b9\u03b1\u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03b2\u03b1\u03c3\u03b9\u03ba\u03bf\u03cd \u03c1\u03c5\u03b8\u03bc\u03bf\u03cd (BRI) \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03c0\u03c1\u03c9\u03c4\u03bf\u03b3\u03b5\u03bd\u03bf\u03cd\u03c2 \u03c1\u03c5\u03b8\u03bc\u03bf\u03cd (PRI).  <\/p>\n\n\n\n<p><strong>\u0391\u03c2 \u03b4\u03bf\u03cd\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ad\u03c2 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03cc\u03bd \u03c4\u03bf\u03bd \u03c0\u03af\u03bd\u03b1\u03ba\u03b1:<\/strong><\/p>\n\n\n\n<div class=\"wp-block-group container-fluid\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group ct-table-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns ct-table-header header-simple is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u03a7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc \u03b3\u03bd\u03ce\u03c1\u03b9\u03c3\u03bc\u03b1<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" id=\"Dialpad\">\n<div class=\"wp-block-group ct-table-header-group first-party-usage has-white-background-color has-background\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-center\"><strong><strong>\u0394\u03b9\u03b1\u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03b2\u03b1\u03c3\u03b9\u03ba\u03bf\u03cd \u03c1\u03c5\u03b8\u03bc\u03bf\u03cd (BRI)<\/strong><\/strong><\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" id=\"RingCentral\">\n<div class=\"wp-block-group ct-table-header-group third-party-usage\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-center\"><strong><strong>\u0394\u03b9\u03b1\u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03c0\u03c1\u03c9\u03c4\u03bf\u03b3\u03b5\u03bd\u03bf\u03cd\u03c2 \u03c1\u03c5\u03b8\u03bc\u03bf\u03cd (PRI)<\/strong><\/strong><\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong><strong>\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9<\/strong><\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u0392\u03b1\u03c3\u03b9\u03ba\u03ae \u03ba\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c3\u03b9\u03c4\u03ae \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b3\u03b9\u03b1 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03c3\u03c4\u03bf \u03b4\u03af\u03ba\u03c4\u03c5\u03bf ISDN.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u03a0\u03b9\u03bf \u03c0\u03c1\u03bf\u03b7\u03b3\u03bc\u03ad\u03bd\u03b7 \u03ba\u03b1\u03b9 \u03b9\u03c3\u03c7\u03c5\u03c1\u03ae \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b3\u03b9\u03b1 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03c3\u03c4\u03bf \u03b4\u03af\u03ba\u03c4\u03c5\u03bf ISDN.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>\u039a\u03b1\u03bd\u03ac\u03bb\u03b9\u03b1<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u0394\u03b9\u03b1\u03b8\u03ad\u03c4\u03b5\u03b9 \u03b4\u03cd\u03bf \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9\u03b1 \u0392 (\u03b3\u03b9\u03b1 \u03c6\u03c9\u03bd\u03ae \u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1) \u03ba\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9 D (\u03b3\u03b9\u03b1 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf).<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u03a3\u03c4\u03b7 \u0392\u03cc\u03c1\u03b5\u03b9\u03b1 \u0391\u03bc\u03b5\u03c1\u03b9\u03ba\u03ae, \u03b4\u03b9\u03b1\u03b8\u03ad\u03c4\u03b5\u03b9 23 \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9\u03b1 \u0392 (\u03b3\u03b9\u03b1 \u03c6\u03c9\u03bd\u03ae \u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1) \u03ba\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9 D (\u03b3\u03b9\u03b1 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf).\n\u03a3\u03c4\u03b7\u03bd \u0395\u03c5\u03c1\u03ce\u03c0\u03b7, \u03b4\u03b9\u03b1\u03b8\u03ad\u03c4\u03b5\u03b9 30 \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9\u03b1 \u0392 \u03ba\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9 D. <\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong><strong>\u0399\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03b3\u03b9\u03b1<\/strong><\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u03a3\u03c0\u03af\u03c4\u03b9\u03b1, \u03bc\u03b9\u03ba\u03c1\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03bc\u03b1\u03ba\u03c1\u03c5\u03c3\u03bc\u03ad\u03bd\u03b1 \u03b3\u03c1\u03b1\u03c6\u03b5\u03af\u03b1.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u039c\u03b5\u03b3\u03ac\u03bb\u03b5\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03c1\u03b3\u03b1\u03bd\u03b9\u03c3\u03bc\u03bf\u03af \u03bc\u03b5 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03bd\u03ac\u03b3\u03ba\u03b5\u03c2 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong><strong>\u039a\u03bf\u03b9\u03bd\u03ad\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2<\/strong><\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u03a6\u03c9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2, \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7 \u03c3\u03c4\u03bf \u03b4\u03b9\u03b1\u03b4\u03af\u03ba\u03c4\u03c5\u03bf \u03ba\u03b1\u03b9 \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7 \u03c6\u03b1\u03be.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u03a4\u03b1\u03c5\u03c4\u03cc\u03c7\u03c1\u03bf\u03bd\u03b7 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1 \u03c6\u03c9\u03bd\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03cc\u03c0\u03c9\u03c2 \u03c3\u03b5 \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ac \u03ba\u03ad\u03bd\u03c4\u03c1\u03b1, \u03c0\u03b1\u03bd\u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b5\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong><strong>\u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1<\/strong><\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u0391\u03c0\u03bb\u03cc \u03ba\u03b1\u03b9 \u03c6\u03b8\u03b7\u03bd\u03cc.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u03a0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9\u03b1, \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c7\u03c9\u03c1\u03b7\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b1\u03c5\u03c4\u03cc\u03c7\u03c1\u03bf\u03bd\u03b5\u03c2 \u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1.\n\u03a0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c0\u03c1\u03bf\u03b7\u03b3\u03bc\u03ad\u03bd\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac, \u03cc\u03c0\u03c9\u03c2 \u03b1\u03c0\u03b5\u03c5\u03b8\u03b5\u03af\u03b1\u03c2 \u03b5\u03b9\u03c3\u03b5\u03c1\u03c7\u03cc\u03bc\u03b5\u03bd\u03b7 \u03ba\u03bb\u03ae\u03c3\u03b7 (DID) \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03b3\u03bd\u03ce\u03c1\u03b9\u03c3\u03b7 \u03ba\u03bb\u03ae\u03c3\u03b7\u03c2. <\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>\u03a0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03af<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u0394\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03bf \u03b3\u03b9\u03b1 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b5\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03ad\u03c7\u03b5\u03b9 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf \u03b5\u03cd\u03c1\u03bf\u03c2 \u03b6\u03ce\u03bd\u03b7\u03c2.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p>\u03a0\u03b9\u03bf \u03b1\u03ba\u03c1\u03b9\u03b2\u03cc \u03ba\u03b1\u03b9 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03b5\u03be\u03b5\u03b9\u03b4\u03b9\u03ba\u03b5\u03c5\u03bc\u03ad\u03bd\u03bf \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc.<\/p>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:32px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u0393\u03b9\u03b1\u03c4\u03af \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03c4\u03bf ISDN?<\/strong><\/h2>\n\n\n\n<p>\u0395\u03bd\u03ce \u03c4\u03bf ISDN (Integrated Services Digital Network) \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03b8\u03b7\u03ba\u03b5 \u03c3\u03c4\u03b1 \u03c4\u03ad\u03bb\u03b7 \u03c4\u03b7\u03c2 \u03b4\u03b5\u03ba\u03b1\u03b5\u03c4\u03af\u03b1\u03c2 \u03c4\u03bf\u03c5 1970, \u03b7 \u03c0\u03c1\u03ce\u03c4\u03b7 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b1 ISDN \u03be\u03b5\u03ba\u03af\u03bd\u03b7\u03c3\u03b5 \u03c4\u03b7 \u03b4\u03b5\u03ba\u03b1\u03b5\u03c4\u03af\u03b1 \u03c4\u03bf\u03c5 1990.<\/p>\n\n\n\n<p>\u03a4\u03bf ISDN (\u03a8\u03b7\u03c6\u03b9\u03b1\u03ba\u03cc \u0394\u03af\u03ba\u03c4\u03c5\u03bf \u039f\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03c9\u03bc\u03ad\u03bd\u03c9\u03bd \u03a5\u03c0\u03b7\u03c1\u03b5\u03c3\u03b9\u03ce\u03bd) \u03bc\u03b5\u03c4\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b5 \u03c4\u03b7\u03bd \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1 \u03b3\u03b9\u03b1 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03bf\u03c5\u03c2 \u03bb\u03cc\u03b3\u03bf\u03c5\u03c2:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u03a0\u03b1\u03c1\u03bf\u03c7\u03ae \u03c4\u03b1\u03c7\u03cd\u03c4\u03b5\u03c1\u03c9\u03bd \u03c4\u03b1\u03c7\u03c5\u03c4\u03ae\u03c4\u03c9\u03bd \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7\u03c2:<\/strong> \u03c0\u03bf\u03bb\u03cd \u03c4\u03b1\u03c7\u03cd\u03c4\u03b5\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b4\u03bf\u03c3\u03b9\u03b1\u03ba\u03ad\u03c2 \u03b1\u03bd\u03b1\u03bb\u03bf\u03b3\u03b9\u03ba\u03ad\u03c2 \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2.\n\u0391\u03c5\u03c4\u03cc \u03c4\u03bf \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03bf\u03cd\u03c3\u03b5 \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03b3\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03bd \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b7 \u03bc\u03b5\u03c4\u03b1\u03c6\u03bf\u03c1\u03ac \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b5\u03c2 \u03c6\u03c9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2. <\/li>\n\n\n\n<li><strong>\u0392\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03b1\u03c6\u03ae\u03bd\u03b5\u03b9\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2:<\/strong> \u0397 \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ae \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7 \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c4\u03bf\u03c5 ISDN \u03ad\u03ba\u03b1\u03bd\u03b5 \u03c4\u03b9\u03c2 \u03bc\u03b5\u03c4\u03b1\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2 \u03c6\u03c9\u03bd\u03ae\u03c2 \u03c0\u03b9\u03bf \u03ba\u03b1\u03b8\u03b1\u03c1\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03af\u03c9\u03c3\u03b5 \u03c4\u03bf \u03b8\u03cc\u03c1\u03c5\u03b2\u03bf, \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b7\u03c7\u03ce \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03c9\u03bd \u03ba\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd.\n\u0392\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b5 \u03c4\u03b7\u03bd \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2, \u03b2\u03bf\u03b7\u03b8\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b9\u03c2 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c4\u03b7\u03c1\u03bf\u03cd\u03bd \u03c5\u03c8\u03b7\u03bb\u03ac \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03ba\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd \u03b1\u03c0\u03cc \u03bf\u03c0\u03bf\u03b9\u03b1\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c3\u03af\u03b1. <\/li>\n\n\n\n<li><strong>\u03a5\u03c0\u03bf\u03c3\u03c4\u03ae\u03c1\u03b9\u03be\u03b7 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ce\u03bd \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03b9\u03ce\u03bd:<\/strong> \u03a4\u03bf ISDN \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b5 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c7\u03b5\u03b9\u03c1\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c6\u03c9\u03bd\u03ae, \u03c6\u03b1\u03be \u03ba\u03b1\u03b9 \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7 \u03c3\u03c4\u03bf \u03b4\u03b9\u03b1\u03b4\u03af\u03ba\u03c4\u03c5\u03bf \u03bc\u03ad\u03c3\u03c9 \u03bc\u03b9\u03b1\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2, \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf \u03bc\u03b9\u03b1 \u03b5\u03be\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae \u03bb\u03cd\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03ad\u03c0\u03c1\u03b5\u03c0\u03b5 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c7\u03b5\u03b9\u03c1\u03b9\u03c3\u03c4\u03bf\u03cd\u03bd \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b1 \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9\u03b1 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2.<\/li>\n\n\n\n<li><strong>\u0395\u03bd\u03b5\u03c1\u03b3\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2:<\/strong> \u03a4\u03bf ISDN \u03b5\u03c0\u03ad\u03c4\u03c1\u03b5\u03c8\u03b5 \u03c3\u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03bd\u03b1 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03b5 \u03b2\u03b9\u03bd\u03c4\u03b5\u03bf\u03b4\u03b9\u03b1\u03c3\u03ba\u03ad\u03c8\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2, \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf \u03c0\u03bf\u03bb\u03cd\u03c4\u03b9\u03bc\u03bf \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf.<\/li>\n<\/ul>\n\n\n\n<p>\u03a4\u03b1 \u03c0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b1\u03c5\u03c4\u03ac \u03ba\u03b1\u03c4\u03ad\u03c3\u03c4\u03b7\u03c3\u03b1\u03bd \u03c4\u03bf ISDN \u03bc\u03b9\u03b1 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03b6\u03c9\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2, \u03b9\u03b4\u03af\u03c9\u03c2 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03bc\u03b5\u03c4\u03ac\u03b2\u03b1\u03c3\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03b1\u03bd\u03b1\u03bb\u03bf\u03b3\u03b9\u03ba\u03ac \u03c3\u03c4\u03b1 \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ac \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03bf\u03c5 ISDN<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1<\/strong><\/h3>\n\n\n\n<p>\u0395\u03ba\u03c4\u03cc\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03b1\u03bb\u03cd\u03b8\u03b7\u03ba\u03b1\u03bd \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03b7\u03b3\u03bf\u03cd\u03bc\u03b5\u03bd\u03b7 \u03b5\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1, \u03c4\u03bf ISDN \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c4\u03b1 \u03b1\u03ba\u03cc\u03bb\u03bf\u03c5\u03b8\u03b1 \u03c0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0395\u03be\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1\u03c2<\/strong>: \u0395\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03c9\u03bc\u03ad\u03bd\u03bf\u03b9 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03c3\u03bc\u03bf\u03af \u03b1\u03bd\u03af\u03c7\u03bd\u03b5\u03c5\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03b9\u03cc\u03c1\u03b8\u03c9\u03c3\u03b7\u03c2 \u03c3\u03c6\u03b1\u03bb\u03bc\u03ac\u03c4\u03c9\u03bd \u03b5\u03b3\u03b3\u03c5\u03ce\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03ba\u03b5\u03c1\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b5\u03bb\u03b1\u03c7\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ad\u03c2.<\/li>\n\n\n\n<li><strong>\u039a\u03bb\u03b9\u03bc\u03b1\u03ba\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b5\u03cd\u03ba\u03bf\u03bb\u03b1<\/strong>: \u039f\u03b9 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03c5\u03be\u03ac\u03bd\u03bf\u03c5\u03bd \u03ae \u03bd\u03b1 \u03bc\u03b5\u03b9\u03ce\u03bd\u03bf\u03c5\u03bd \u03c4\u03bf\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc \u03c4\u03c9\u03bd \u03ba\u03b1\u03bd\u03b1\u03bb\u03b9\u03ce\u03bd \u0392 (\u03c0\u03bf\u03c5 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03ba\u03cd\u03c1\u03b9\u03b5\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ad\u03c2 \u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03c4\u03bf \u03b4\u03b9\u03b1\u03b4\u03af\u03ba\u03c4\u03c5\u03bf) \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03cc\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03bc\u03b5\u03c4\u03b1\u03b2\u03b1\u03bb\u03bb\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2, \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03bf \u03b3\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ba\u03ac\u03b8\u03b5 \u03bc\u03b5\u03b3\u03ad\u03b8\u03bf\u03c5\u03c2.<\/li>\n\n\n\n<li><strong>\u0395\u03b3\u03b3\u03cd\u03b7\u03c3\u03b7 \u03b1\u03c3\u03c6\u03ac\u03bb\u03b5\u03b9\u03b1\u03c2<\/strong>: \u03a4\u03bf ISDN \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c3\u03b5\u03b9\u03c1\u03ac \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03b1\u03c2, \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03bf\u03bc\u03ad\u03bd\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03ba\u03c1\u03c5\u03c0\u03c4\u03bf\u03b3\u03c1\u03ac\u03c6\u03b7\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5 \u03c4\u03b1\u03c5\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2, \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b1\u03c4\u03b5\u03cd\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03b5\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03b5\u03b9\u03c1\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b5\u03c5\u03b1\u03af\u03c3\u03b8\u03b7\u03c4\u03b5\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2.<\/li>\n\n\n\n<li><strong>\u0395\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03ae\u03c3\u03c4\u03b5 \u03c0\u03b1\u03b3\u03ba\u03bf\u03c3\u03bc\u03af\u03c9\u03c2<\/strong>: \u03a4\u03bf ISDN \u03c3\u03c5\u03bd\u03b4\u03ad\u03b5\u03b9 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ac \u03b4\u03af\u03ba\u03c4\u03c5\u03b1 \u03c3\u03b5 \u03c0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03c7\u03ce\u03c1\u03b5\u03c2, \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf \u03bc\u03b9\u03b1 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b3\u03b9\u03b1 \u03b4\u03b9\u03b5\u03b8\u03bd\u03ae \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:32px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u039c\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1<\/strong><\/h3>\n\n\n\n<p>\u0391\u03bd \u03ba\u03b1\u03b9 \u03c4\u03bf ISDN \u03c0\u03c1\u03bf\u03c3\u03ad\u03c6\u03b5\u03c1\u03b5 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c7\u03af\u03b6\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03c0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1, \u03ad\u03c7\u03b5\u03b9 \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03c5\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u039a\u03bf\u03c3\u03c4\u03af\u03b6\u03b5\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf<\/strong>: \u0397 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03bc\u03b9\u03b1\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2 ISDN \u03ba\u03bf\u03c3\u03c4\u03af\u03b6\u03b5\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03c4\u03b1 \u03bd\u03b5\u03cc\u03c4\u03b5\u03c1\u03b1 \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ac \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2.\n\u0398\u03b1 \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03c9\u03c0\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf \u03b1\u03c1\u03c7\u03b9\u03ba\u03cc \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2, \u03c4\u03b1 \u03ad\u03be\u03bf\u03b4\u03b1 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c4\u03c1\u03ad\u03c7\u03bf\u03bd\u03c4\u03b1 \u03c4\u03ad\u03bb\u03b7 \u03c0\u03b1\u03c1\u03bf\u03c7\u03ae\u03c2 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03b9\u03ce\u03bd, \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03c4\u03bf \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ac \u03bb\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03bf \u03c0\u03c1\u03bf\u03c3\u03b9\u03c4\u03cc, \u03b9\u03b4\u03af\u03c9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03bc\u03b9\u03ba\u03c1\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2. <\/li>\n\n\n\n<li><strong>\u0395\u03be\u03b1\u03c1\u03c4\u03ac\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ac \u03ba\u03b1\u03bb\u03ce\u03b4\u03b9\u03b1<\/strong>: \u0397 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b7 \u03b4\u03b9\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03ba\u03b1\u03bb\u03c9\u03b4\u03af\u03c9\u03bd ISDN \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c7\u03c1\u03bf\u03bd\u03bf\u03b2\u03cc\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03b3\u03bf\u03b7\u03c4\u03b5\u03c5\u03c4\u03b9\u03ba\u03ae \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c7\u03b5\u03af\u03c1\u03b7\u03c3\u03ae \u03c3\u03b1\u03c2.\n\u03a4\u03bf \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c0\u03b9\u03bf \u03b5\u03c0\u03b9\u03c1\u03c1\u03b5\u03c0\u03ad\u03c2 \u03c3\u03b5 \u03b1\u03c3\u03c4\u03bf\u03c7\u03af\u03b5\u03c2 \u03c3\u03b5 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03bd\u03b5\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03b2\u03b1\u03c3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ac \u03ba\u03b1\u03bb\u03ce\u03b4\u03b9\u03b1. <\/li>\n\n\n\n<li><strong>\u03a0\u03b5\u03c1\u03b9\u03bf\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1:<\/strong> \u03a4\u03bf ISDN \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03b5\u03b9\u03b4\u03b9\u03ba\u03ac \u03ba\u03b1\u03bd\u03ac\u03bb\u03b9\u03b1 \u03bc\u03b5 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 64 Kbps, \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c7\u03b1\u03bc\u03b7\u03bb\u03ae \u03c3\u03b5 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03c4\u03c1\u03ad\u03c7\u03bf\u03c5\u03c3\u03b5\u03c2 \u03b5\u03c5\u03c1\u03c5\u03b6\u03c9\u03bd\u03b9\u03ba\u03ad\u03c2 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b5\u03c2.\n\u0391\u03c5\u03c4\u03ae \u03b7 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b7 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03c1\u03bf\u03b2\u03bb\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b3\u03b9\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03cc\u03c0\u03c9\u03c2 \u03b7 \u03c1\u03bf\u03ae \u03b2\u03af\u03bd\u03c4\u03b5\u03bf \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03b5\u03c5\u03ba\u03c1\u03af\u03bd\u03b5\u03b9\u03b1\u03c2. <\/li>\n\n\n\n<li><strong>\u03a0\u03b5\u03c1\u03b9\u03bf\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c5\u03b5\u03bb\u03b9\u03be\u03af\u03b1<\/strong>: \u03a4\u03b1 \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ac \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 ISDN \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ac \u03ba\u03b1\u03bb\u03ce\u03b4\u03b9\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ad\u03c2 \u03b4\u03b9\u03b1\u03bc\u03bf\u03c1\u03c6\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03c7\u03c9\u03c1\u03b7\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2, \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03c4\u03b1 \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ac \u03bb\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03bf \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03cc\u03c3\u03b9\u03bc\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03bc\u03b5\u03c4\u03b1\u03b2\u03b1\u03bb\u03bb\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03b1\u03bd\u03ac\u03b3\u03ba\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 \u03c3\u03b1\u03c2.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u03a0\u03b5\u03c1\u03b9\u03bf\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03bf\u03bd \u03ba\u03c9\u03b4\u03b9\u03ba\u03cc \u03c4\u03b7\u03c2 \u03b3\u03b5\u03c9\u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03ae\u03c2 \u03c3\u03b1\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae\u03c2: <\/strong>\u03ba\u03b1\u03b9 \u03b7 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ce\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c1\u03ba\u03ad\u03c3\u03b5\u03b9 \u03b1\u03c1\u03ba\u03b5\u03c4\u03ad\u03c2 \u03b5\u03b2\u03b4\u03bf\u03bc\u03ac\u03b4\u03b5\u03c2.\n\u0397 \u03b5\u03c0\u03b9\u03c7\u03b5\u03af\u03c1\u03b7\u03c3\u03ae \u03c3\u03b1\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b7 \u03c3\u03b5 \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03bf\u03cd\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd\u03c2, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b1\u03c5\u03c4\u03bf\u03af \u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b7 \u03b3\u03b5\u03c9\u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03ae \u03c3\u03b1\u03c2 \u03b8\u03ad\u03c3\u03b7. <\/p>\n\n\n\n<div class=\"wp-block-ct-evo-cta-simple-panel cta-simple-panel\" style=\"background-color:#EBEEFF\"><div class=\"cta-simple-panel-inner\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p>\u0391\u03c5\u03be\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03bf\u03bc\u03ac\u03b4\u03b1\u03c2 \u03c3\u03b1\u03c2 \u03bc\u03b5 \u03c4\u03bf \u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03b9\u03ba\u03cc \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03af\u03b1\u03c2 VoIP.<\/p>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"431\" height=\"416\" src=\"https:\/\/test-staging.cloudtalk.io\/wp-content\/uploads\/2021\/11\/CT_Web_Banner_General_Illustration_04.svg\" alt=\"&#x391;&#x3C0;&#x3B5;&#x3B9;&#x3BA;&#x3CC;&#x3BD;&#x3B9;&#x3C3;&#x3B7; &#x3C4;&#x3B1;&#x3BC;&#x3C0;&#x3BB;&#x3CC;\" class=\"wp-image-317\"\/><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\"   href=\"https:\/\/test-staging.cloudtalk.io\/demo\/\">\u0395\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1 \u03c0\u03c9\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u0395\u03bd\u03b1\u03bb\u03bb\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bb\u03cd\u03c3\u03b5\u03b9\u03c2 ISDN<\/strong><\/h2>\n\n\n\n<p>\u039a\u03b1\u03b8\u03ce\u03c2 \u03b7 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03b5\u03be\u03b5\u03bb\u03af\u03c3\u03c3\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b9 \u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9, \u03c4\u03bf ISDN \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03c0\u03bb\u03ad\u03bf\u03bd \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b1\u03c0\u03bf\u03ba\u03c1\u03b9\u03b8\u03b5\u03af \u03c3\u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b5\u03c1\u03b7 \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03b9\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03bf \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2.<\/p>\n\n\n\n<p>\u0391\u03c2 \u03b5\u03be\u03b5\u03c1\u03b5\u03c5\u03bd\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03ba\u03cd\u03c1\u03b9\u03b5\u03c2 \u03b5\u03bd\u03b1\u03bb\u03bb\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bb\u03cd\u03c3\u03b5\u03b9\u03c2.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>VoIP (\u03a6\u03c9\u03bd\u03ae \u03bc\u03ad\u03c3\u03c9 \u03c0\u03c1\u03c9\u03c4\u03bf\u03ba\u03cc\u03bb\u03bb\u03bf\u03c5 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5)<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u039f\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2<\/strong><\/h4>\n\n\n\n<p><a   href=\"https:\/\/test-staging.cloudtalk.io\/voip\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u03a4\u03bf VoIP<\/a> \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 Voice over Internet Protocol \u03ba\u03b1\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03c0\u03b9\u03bf \u03b4\u03b7\u03bc\u03bf\u03c6\u03b9\u03bb\u03ae \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03af\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03c6\u03b9\u03bb\u03bf\u03be\u03b5\u03bd\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03b5\u03bd\u03b1\u03bb\u03bb\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae \u03bb\u03cd\u03c3\u03b7 \u03c3\u03c4\u03bf ISDN.  <\/p>\n\n\n\n<p>\u039c\u03b5\u03c4\u03b1\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7 \u03c6\u03c9\u03bd\u03ae \u03c3\u03b1\u03c2 \u03c3\u03b5 \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ac \u03c3\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03bc\u03b5\u03c4\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c3\u03c4\u03bf \u03ac\u03bb\u03bb\u03bf(-\u03b1) \u03ac\u03c4\u03bf\u03bc\u03bf(-\u03b1) \u03c3\u03c4\u03b7\u03bd \u03ba\u03bb\u03ae\u03c3\u03b7.\n\u0395\u03af\u03bd\u03b1\u03b9 \u03c3\u03b1\u03bd \u03bc\u03b9\u03b1 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ae \u03ba\u03bb\u03ae\u03c3\u03b7, \u03b1\u03bb\u03bb\u03ac \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03bf \u0394\u03b9\u03b1\u03b4\u03af\u03ba\u03c4\u03c5\u03bf \u03b1\u03bd\u03c4\u03af \u03b3\u03b9\u03b1 \u03ba\u03b1\u03bb\u03ce\u03b4\u03b9\u03b1. <\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u039f\u03c6\u03ad\u03bb\u03b7<\/strong><\/h4>\n\n\n\n<p>\u03a4\u03b1 \u03ba\u03cd\u03c1\u03b9\u03b1 <a   href=\"https:\/\/test-staging.cloudtalk.io\/blog\/voip-advantages-and-disadvantages\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u03c0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2<\/a> \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1\u03c2 <a   href=\"https:\/\/test-staging.cloudtalk.io\/blog\/voip-advantages-and-disadvantages\/\" target=\"_blank\" rel=\"noreferrer noopener\">VoIP<\/a> (Voice over Internet Protocol) \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03b5\u03be\u03ae\u03c2:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0395\u03be\u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03ae\u03c3\u03c4\u03b5 \u03c7\u03c1\u03ae\u03bc\u03b1\u03c4\u03b1: <\/strong>\u0395\u03be\u03b1\u03bb\u03b5\u03af\u03c6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03b3\u03ba\u03b7 \u03b3\u03b9\u03b1 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03ba\u03bb\u03b5\u03b9\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2.\n\u03a7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c3\u03c4\u03b5 \u03bc\u03cc\u03bd\u03bf \u03ad\u03bd\u03b1 \u03ba\u03b9\u03bd\u03b7\u03c4\u03cc \u03c4\u03b7\u03bb\u03ad\u03c6\u03c9\u03bd\u03bf \u03ae \u03ad\u03bd\u03b1 \u03c6\u03bf\u03c1\u03b7\u03c4\u03cc \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ae \u03bc\u03b5 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03c3\u03c4\u03bf \u0394\u03b9\u03b1\u03b4\u03af\u03ba\u03c4\u03c5\u03bf.\n\u0397 <a   href=\"\" target=\"\" rel=\"noopener\">\u03c4\u03b9\u03bc\u03ae \u03c4\u03c9\u03bd \u03ba\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd VoIP<\/a> \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03c0\u03b9\u03bf \u03c0\u03c1\u03bf\u03c3\u03b9\u03c4\u03ae \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b4\u03bf\u03c3\u03b9\u03b1\u03ba\u03ad\u03c2 <a   href=\"\" target=\"\" rel=\"noopener\">\u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2<\/a>, \u03b5\u03b9\u03b4\u03b9\u03ba\u03ac \u03b3\u03b9\u03b1 \u03b4\u03b9\u03b5\u03b8\u03bd\u03b5\u03af\u03c2 \u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2.    <\/li>\n\n\n\n<li><strong>\u0395\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03b1\u03c0\u03cc \u03bf\u03c0\u03bf\u03c5\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5:<\/strong><strong> <\/strong>\u0395\u03c6\u03cc\u03c3\u03bf\u03bd \u03ad\u03c7\u03b5\u03c4\u03b5 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03c3\u03c4\u03bf \u0394\u03b9\u03b1\u03b4\u03af\u03ba\u03c4\u03c5\u03bf \u03ba\u03b1\u03b9 \u03c4\u03bf\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03ae, \u03c4\u03bf smartphone \u03ae \u03c4\u03bf tablet \u03c3\u03b1\u03c2, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03c4\u03b5 \u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b1\u03c0\u03cc \u03bf\u03c0\u03bf\u03b9\u03b1\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c3\u03af\u03b1, \u03b5\u03bd\u03b9\u03c3\u03c7\u03cd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03ba\u03b9\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03ac \u03c3\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b5\u03c5\u03ba\u03bf\u03bb\u03cd\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03b1\u03c0\u03cc \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7.<\/li>\n\n\n\n<li><strong>\u0391\u03c0\u03bf\u03bb\u03b1\u03cd\u03c3\u03c4\u03b5 \u03c0\u03c1\u03bf\u03b7\u03b3\u03bc\u03ad\u03bd\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac: <\/strong>VoIP \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03b5\u03c5\u03c1\u03cd \u03c6\u03ac\u03c3\u03bc\u03b1 \u03c0\u03c1\u03bf\u03b7\u03b3\u03bc\u03ad\u03bd\u03c9\u03bd \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ce\u03bd, \u03cc\u03c0\u03c9\u03c2 <a   href=\"https:\/\/test-staging.cloudtalk.io\/voicemail\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u03c6\u03c9\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc \u03c4\u03b1\u03c7\u03c5\u03b4\u03c1\u03bf\u03bc\u03b5\u03af\u03bf,<\/a> <a   href=\"https:\/\/test-staging.cloudtalk.io\/virtual-caller-id\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u03b1\u03bd\u03b1\u03b3\u03bd\u03ce\u03c1\u03b9\u03c3\u03b7 \u03ba\u03b1\u03bb\u03bf\u03cd\u03bd\u03c4\u03bf\u03c2<\/a> \u03ba\u03b1\u03b9 <a   href=\"https:\/\/test-staging.cloudtalk.io\/call-recording\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u03b5\u03b3\u03b3\u03c1\u03b1\u03c6\u03ae \u03ba\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd<\/a>.\n\u039c\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03c4\u03bf \u03b5\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03ce\u03c3\u03b5\u03c4\u03b5 \u03b1\u03c0\u03c1\u03cc\u03c3\u03ba\u03bf\u03c0\u03c4\u03b1 \u03bc\u03b5 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b5\u03c2 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2, \u03cc\u03c0\u03c9\u03c2 <a   href=\"https:\/\/test-staging.cloudtalk.io\/whatsapp-outbound-messages\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u03c4\u03bf WhatsApp<\/a> \u03ba\u03b1\u03b9 \u03c4\u03bf <a   href=\"https:\/\/test-staging.cloudtalk.io\/text-messages-sms\/\" target=\"_blank\" rel=\"noreferrer noopener\">SMS<\/a>, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b1 \u03b1\u03b3\u03b1\u03c0\u03b7\u03bc\u03ad\u03bd\u03b1 \u03c3\u03b1\u03c2 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 CRM. <\/li>\n\n\n\n<li><strong>\u039a\u03bb\u03b9\u03bc\u03b1\u03ba\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b5\u03cd\u03ba\u03bf\u03bb\u03b1: <\/strong>\u039c\u03b5 \u03c4\u03bf VoIP, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03b5\u03cd\u03ba\u03bf\u03bb\u03b1 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b8\u03ad\u03c3\u03b5\u03c4\u03b5 \u03ae \u03bd\u03b1 \u03b1\u03c6\u03b1\u03b9\u03c1\u03ad\u03c3\u03b5\u03c4\u03b5 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03bd\u03ac\u03b3\u03ba\u03b5\u03c2 \u03c3\u03b1\u03c2, \u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c0\u03c1\u03cc\u03c3\u03b8\u03b5\u03c4\u03b5\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2.\n\u0391\u03c5\u03c4\u03ae \u03b7 \u03b5\u03c5\u03b5\u03bb\u03b9\u03be\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03ae \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03c0\u03c4\u03c5\u03be\u03b7 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03af\u03c1\u03b7\u03c3\u03ae\u03c2 \u03c3\u03b1\u03c2 \u03ae \u03c4\u03b7 \u03b4\u03c5\u03bd\u03b1\u03bc\u03b9\u03ba\u03ae \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03b1\u03ba\u03ae\u03c2 \u03c3\u03b1\u03c2 \u03c5\u03c0\u03bf\u03b4\u03bf\u03bc\u03ae\u03c2. <\/li>\n\n\n\n<li><strong>\u0395\u03c0\u03ad\u03ba\u03c4\u03b1\u03c3\u03b7 \u03c3\u03b5 \u03c0\u03b1\u03b3\u03ba\u03cc\u03c3\u03bc\u03b9\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf: <\/strong>\u03a4\u03bf VoIP \u03c3\u03b1\u03c2 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03ba\u03c4\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf\u03c0\u03b9\u03ba\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 <a   href=\"https:\/\/test-staging.cloudtalk.io\/international-numbers\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u03b4\u03b9\u03b5\u03b8\u03bd\u03b5\u03af\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd\u03c2 <\/a>\u03c7\u03c9\u03c1\u03af\u03c2 \u03bd\u03b1 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03af\u03c3\u03c4\u03b5 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ac \u03c0\u03b1\u03c1\u03cc\u03bd\u03c4\u03b5\u03c2 \u03c3\u03c4\u03b7 \u03c7\u03ce\u03c1\u03b1.\n\u0391\u03c5\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03b9\u03b4\u03b9\u03b1\u03af\u03c4\u03b5\u03c1\u03b1 \u03b5\u03c0\u03c9\u03c6\u03b5\u03bb\u03ad\u03c2 \u03b1\u03bd \u03ad\u03c7\u03b5\u03c4\u03b5 \u03b4\u03b9\u03b5\u03b8\u03bd\u03b5\u03af\u03c2 \u03c0\u03b5\u03bb\u03ac\u03c4\u03b5\u03c2, \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03ac\u03c2 \u03c3\u03b1\u03c2 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03c0\u03c4\u03c5\u03c7\u03b8\u03b5\u03af\u03c4\u03b5 \u03b5\u03cd\u03ba\u03bf\u03bb\u03b1 \u03b4\u03b9\u03b5\u03b8\u03bd\u03ce\u03c2. <\/li>\n<\/ul>\n\n\n\n<div style=\"height:32px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u0399\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03b3\u03b9\u03b1<\/strong><\/h4>\n\n\n\n<p>\u03a4\u03bf VoIP \u03b5\u03af\u03bd\u03b1\u03b9 \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03b3\u03b9\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bd\u03b5\u03bc\u03b7\u03bc\u03ad\u03bd\u03b5\u03c2 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2, \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b5\u03c5\u03b8\u03cd\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03b5\u03bb\u03ac\u03c4\u03b5\u03c2, \u03bc\u03b9\u03ba\u03c1\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2, \u03b5\u03bb\u03b5\u03cd\u03b8\u03b5\u03c1\u03bf\u03c5\u03c2 \u03b5\u03c0\u03b1\u03b3\u03b3\u03b5\u03bb\u03bc\u03b1\u03c4\u03af\u03b5\u03c2, \u03b1\u03bd\u03b1\u03c0\u03c4\u03c5\u03c3\u03c3\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd\u03c4\u03b1 \u03b1\u03c0\u03bf\u03bc\u03b1\u03ba\u03c1\u03c5\u03c3\u03bc\u03ad\u03bd\u03b7\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 \u03bb\u03cc\u03b3\u03c9 \u03c4\u03b7\u03c2 \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ae\u03c2 \u03b1\u03c0\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2, \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b5\u03ba\u03c4\u03b1\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03c0\u03c1\u03bf\u03b7\u03b3\u03bc\u03ad\u03bd\u03c9\u03bd \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03c4\u03bf\u03c5.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>SIP Trunking (\u03a0\u03c1\u03c9\u03c4\u03cc\u03ba\u03bf\u03bb\u03bb\u03bf \u0388\u03bd\u03b1\u03c1\u03be\u03b7\u03c2 \u03a3\u03c5\u03bd\u03cc\u03b4\u03bf\u03c5 Trunking)<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u039f\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2<\/strong><\/h4>\n\n\n\n<p><a   href=\"https:\/\/test-staging.cloudtalk.io\/blog\/what-is-sip-trunking-and-what-does-it-mean-for-voip\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u03a4\u03bf SIP trunking<\/a> \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b7 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03c0\u03bf\u03c5 <strong>\u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7 \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7 \u03c6\u03c9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ce\u03bd \u03ba\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c0\u03bf\u03bb\u03c5\u03bc\u03ad\u03c3\u03c9\u03bd \u03bc\u03ad\u03c3\u03c9 \u03c4\u03bf\u03c5 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 <\/strong>\u03b1\u03bd\u03c4\u03af \u03c4\u03b7\u03c2 \u03c7\u03c1\u03ae\u03c3\u03b7\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b4\u03bf\u03c3\u03b9\u03b1\u03ba\u03ce\u03bd \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ce\u03bd \u03b3\u03c1\u03b1\u03bc\u03bc\u03ce\u03bd.<\/p>\n\n\n\n<p>\u039c\u03b5 \u03c4\u03bf SIP trunking, \u03bf\u03b9 \u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 VoIP (Voice over Internet Protocol) \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b4\u03b5\u03b8\u03bf\u03cd\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b5\u03bd\u03cc\u03c2 \u03c4\u03bf\u03c0\u03b9\u03ba\u03bf\u03cd \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03bf\u03cd \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03b4\u03b7\u03bc\u03cc\u03c3\u03b9\u03bf\u03c5 \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03bf\u03cd \u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5.\n\u039f\u03c5\u03c3\u03b9\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac, \u03bc\u03b5\u03c4\u03b1\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ad\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1\u03c2 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03b5\u03bd\u03b9\u03b1\u03af\u03b1 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7, \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b5\u03c2 \u03b5\u03c5\u03ba\u03bf\u03bb\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2. <\/p>\n\n\n\n<p>\u0397 \u03ba\u03cd\u03c1\u03b9\u03b1 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03bc\u03b5\u03c4\u03b1\u03be\u03cd <a   href=\"https:\/\/test-staging.cloudtalk.io\/sip-trunking-vs-voip\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u03c4\u03bf\u03c5 SIP trunking \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 VoIP<\/a> \u03b5\u03af\u03bd\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03bf SIP trunking \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7\u03c2 \u03b5\u03bd\u03cc\u03c2 <a   href=\"https:\/\/test-staging.cloudtalk.io\/pbx\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03bf\u03cd \u03c3\u03c5\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2<\/a> IP <a   href=\"https:\/\/test-staging.cloudtalk.io\/pbx\/\" target=\"_blank\" rel=\"noreferrer noopener\">PBX<\/a> \u03bc\u03b5 \u03c4\u03bf \u03b4\u03b9\u03b1\u03b4\u03af\u03ba\u03c4\u03c5\u03bf \u03ba\u03b1\u03b9 \u03c4\u03bf PSTN, \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03c5\u03bd\u03b1\u03c4\u03ae \u03b7 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03ba\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd VoIP, \u03b5\u03bd\u03ce \u03c4\u03bf VoIP \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c6\u03c9\u03bd\u03b7\u03c4\u03b9\u03ba\u03ce\u03bd \u03ba\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd \u03bc\u03ad\u03c3\u03c9 \u03c4\u03bf\u03c5 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u039f\u03c6\u03ad\u03bb\u03b7<\/strong><\/h4>\n\n\n\n<p><a   href=\"https:\/\/test-staging.cloudtalk.io\/blog\/what-is-sip-trunking-and-what-does-it-mean-for-voip\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u03a4\u03bf SIP trunking<\/a> \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03b1 \u03c0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03bc\u03b5 \u03c4\u03bf VoIP, \u03cc\u03c0\u03c9\u03c2 \u03b5\u03be\u03bf\u03b9\u03ba\u03bf\u03bd\u03cc\u03bc\u03b7\u03c3\u03b7 \u03ba\u03cc\u03c3\u03c4\u03bf\u03c5\u03c2, \u03b5\u03c5\u03b5\u03bb\u03b9\u03be\u03af\u03b1 \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b5\u03ba\u03c4\u03b1\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1.\n\u0395\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd: <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0395\u03c0\u03af\u03c4\u03b5\u03c5\u03be\u03b7 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7\u03c2 \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf ISDN:<\/strong> \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03ad\u03c4\u03c3\u03b9 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b1\u03c2.\n\u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1, \u03c4\u03bf ISDN \u03b2\u03b1\u03c3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2.\n\u0395\u03ac\u03bd \u03bc\u03b9\u03b1 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae \u03ae \u03ad\u03bd\u03b1 \u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03cc \u03b3\u03c1\u03b1\u03c6\u03b5\u03af\u03bf \u03b1\u03c0\u03bf\u03c4\u03cd\u03c7\u03b5\u03b9, \u03b7 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b1 \u03c3\u03b1\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03c0\u03b7\u03c1\u03b5\u03b1\u03c3\u03c4\u03b5\u03af \u03c3\u03bf\u03b2\u03b1\u03c1\u03ac \u03c7\u03c9\u03c1\u03af\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b7\u03c2 \u03b1\u03c0\u03bf\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2.  <\/li>\n\n\n\n<li><strong>\u0391\u03c0\u03bf\u03ba\u03c4\u03ae\u03c3\u03c4\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c7\u03b5\u03af\u03c1\u03b9\u03c3\u03b7:<\/strong> \u03a4\u03bf SIP trunking \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03bc\u03b1\u03ba\u03c1\u03c5\u03c3\u03bc\u03ad\u03bd\u03b7 \u03b4\u03b9\u03b1\u03c7\u03b5\u03af\u03c1\u03b9\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03bc\u03cc\u03c1\u03c6\u03c9\u03c3\u03b7, \u03b4\u03b9\u03b5\u03c5\u03ba\u03bf\u03bb\u03cd\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03ce\u03c0\u03b9\u03c3\u03b7 \u03c0\u03c1\u03bf\u03b2\u03bb\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd.\n\u0391\u03c0\u03cc \u03c4\u03b7\u03bd \u03ac\u03bb\u03bb\u03b7 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac, \u03c4\u03bf ISDN \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03c0\u03b1\u03c1\u03ad\u03bc\u03b2\u03b1\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c0\u03af\u03bb\u03c5\u03c3\u03b7 \u03c0\u03c1\u03bf\u03b2\u03bb\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd, \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03c5\u03be\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf \u03b4\u03b9\u03b1\u03ba\u03bf\u03c0\u03ae\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2. <\/li>\n<\/ul>\n\n\n\n<div style=\"height:32px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u0399\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03b3\u03b9\u03b1<\/strong><\/h4>\n\n\n\n<p>\u0395\u03af\u03bd\u03b1\u03b9 \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03b3\u03b9\u03b1 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2, \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ac \u03ba\u03ad\u03bd\u03c4\u03c1\u03b1, \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b5 \u03c0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c3\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03bc\u03b1\u03ba\u03c1\u03c5\u03c3\u03bc\u03ad\u03bd\u03bf\u03c5\u03c2 \u03b5\u03c1\u03b3\u03b1\u03b6\u03cc\u03bc\u03b5\u03bd\u03bf\u03c5\u03c2 \u03bb\u03cc\u03b3\u03c9 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b5\u03ba\u03c4\u03b1\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03c0\u03c1\u03bf\u03b7\u03b3\u03bc\u03ad\u03bd\u03c9\u03bd \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03c4\u03bf\u03c5.\n\u039f\u03b9 \u03bc\u03b9\u03ba\u03c1\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b5\u03c0\u03c9\u03c6\u03b5\u03bb\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ae \u03b1\u03c0\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03cd\u03ba\u03bf\u03bb\u03b7 \u03b5\u03bd\u03c3\u03c9\u03bc\u03ac\u03c4\u03c9\u03c3\u03ae \u03c4\u03bf\u03c5 \u03c3\u03c4\u03bf\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u038a\u03bd\u03b1 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03c7\u03ce\u03c1\u03bf\u03c5\u03c2 (FTTP)<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u039f\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2<\/strong><\/h4>\n\n\n\n<p>\u03a4\u03bf FTTP \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 &#8220;\u03bf\u03c0\u03c4\u03b9\u03ba\u03ae \u03af\u03bd\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2&#8221;, \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c2 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b1\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03ba\u03b1\u03bb\u03ce\u03b4\u03b9\u03b1 \u03bf\u03c0\u03c4\u03b9\u03ba\u03ce\u03bd \u03b9\u03bd\u03ce\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c0\u03b5\u03c5\u03b8\u03b5\u03af\u03b1\u03c2 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03b5\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b7 \u03c3\u03c4\u03b1 \u03ba\u03b5\u03bd\u03c4\u03c1\u03b9\u03ba\u03ac \u03b3\u03c1\u03b1\u03c6\u03b5\u03af\u03b1 \u03b5\u03bd\u03cc\u03c2 \u03c0\u03b1\u03c1\u03cc\u03c7\u03bf\u03c5 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03b9\u03ce\u03bd \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03c4\u03cd\u03bf\u03c5 (ISP).<\/p>\n\n\n\n<p>\u0397 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03b1\u03c5\u03c4\u03ae \u03b1\u03c0\u03bf\u03c6\u03b5\u03cd\u03b3\u03b5\u03b9 \u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c0\u03b1\u03c1\u03b1\u03b4\u03bf\u03c3\u03b9\u03b1\u03ba\u03ce\u03bd \u03c7\u03ac\u03bb\u03ba\u03b9\u03bd\u03c9\u03bd \u03ba\u03b1\u03bb\u03c9\u03b4\u03af\u03c9\u03bd, \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b5\u03c1\u03b7 \u03ba\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03b4\u03b5\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c3\u03c4\u03bf \u03b4\u03b9\u03b1\u03b4\u03af\u03ba\u03c4\u03c5\u03bf.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u039f\u03c6\u03ad\u03bb\u03b7<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0395\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03c3\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03c0\u03b9\u03bf \u03b1\u03c3\u03c6\u03b1\u03bb\u03ae \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7: <\/strong>\u03a4\u03b1 \u03ba\u03b1\u03bb\u03ce\u03b4\u03b9\u03b1 \u03bf\u03c0\u03c4\u03b9\u03ba\u03ce\u03bd \u03b9\u03bd\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03bb\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03bf \u03b5\u03c5\u03b1\u03af\u03c3\u03b8\u03b7\u03c4\u03b1 \u03c3\u03b5 \u03c0\u03b5\u03c1\u03b9\u03b2\u03b1\u03bb\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03bf\u03b9 \u03b4\u03b9\u03b1\u03ba\u03c5\u03bc\u03ac\u03bd\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b7\u03c2 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1\u03c2, \u03b7 \u03b2\u03c1\u03bf\u03c7\u03ae \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b7\u03bb\u03b5\u03ba\u03c4\u03c1\u03b9\u03ba\u03ad\u03c2 \u03c0\u03b1\u03c1\u03b5\u03bc\u03b2\u03bf\u03bb\u03ad\u03c2, \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ad\u03c3\u03bf\u03c5\u03bd \u03c5\u03c0\u03bf\u03b2\u03ac\u03b8\u03bc\u03b9\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03c3\u03c4\u03ac\u03b8\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03c3\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c3\u03c4\u03b1 \u03c7\u03ac\u03bb\u03ba\u03b9\u03bd\u03b1 \u03ba\u03b1\u03bb\u03ce\u03b4\u03b9\u03b1.  <\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0391\u03c0\u03bf\u03ba\u03c4\u03ae\u03c3\u03c4\u03b5 \u03b5\u03be\u03b1\u03b9\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b5\u03c2:<\/strong> (gigabit \u03b1\u03bd\u03ac \u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03bf), \u03c4\u03bf \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ac \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03b3\u03b9\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc \u03bd\u03ad\u03c6\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bb\u03b5\u03b4\u03b9\u03b1\u03c3\u03ba\u03ad\u03c8\u03b5\u03b9\u03c2.<\/li>\n\n\n\n<li><strong>\u039a\u03bb\u03b9\u03bc\u03b1\u03ba\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b5\u03cd\u03ba\u03bf\u03bb\u03b1: <\/strong>\u03a4\u03bf FTTP \u03c3\u03b1\u03c2 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03cc\u03b6\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c3\u03b1\u03c2, \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03bd\u03c4\u03b1\u03c2 \u03bc\u03b9\u03b1 \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03ae \u03bb\u03cd\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03b9\u03b4\u03b9\u03ce\u03c4\u03b5\u03c2 \u03bc\u03b5 \u03bc\u03b5\u03c4\u03b1\u03b2\u03b1\u03bb\u03bb\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03b1\u03bd\u03ac\u03b3\u03ba\u03b5\u03c2 \u03c3\u03c4\u03bf \u03b4\u03b9\u03b1\u03b4\u03af\u03ba\u03c4\u03c5\u03bf.<\/li>\n\n\n\n<li><strong>\u0395\u03b3\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf \u03b3\u03c1\u03b7\u03b3\u03bf\u03c1\u03cc\u03c4\u03b5\u03c1\u03b1:<\/strong> \u0397 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 FTTP \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b5\u03bd\u03b4\u03cd\u03c3\u03b5\u03b9\u03c2 \u03c3\u03b5 \u03c5\u03c0\u03bf\u03b4\u03bf\u03bc\u03ad\u03c2, \u03b1\u03bb\u03bb\u03ac \u03b5\u03be\u03b1\u03bb\u03b5\u03af\u03c6\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03b3\u03ba\u03b7 \u03b3\u03b9\u03b1 \u03c7\u03ac\u03bb\u03ba\u03b9\u03bd\u03b1 \u03ba\u03b1\u03bb\u03ce\u03b4\u03b9\u03b1.\n\u0391\u03c5\u03c4\u03cc \u03ad\u03c7\u03b5\u03b9 \u03c9\u03c2 \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b5\u03c1\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b9\u03bf \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ad\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b5\u03c2. <\/li>\n<\/ul>\n\n\n\n<div style=\"height:32px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u0399\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03b3\u03b9\u03b1<\/strong><\/h4>\n\n\n\n<p>\u03a4\u03bf FTTP \u03b5\u03af\u03bd\u03b1\u03b9 \u03b9\u03b4\u03b1\u03bd\u03b9\u03ba\u03cc \u03b3\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c5\u03c8\u03b7\u03bb\u03ad\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b5\u03c2, \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c3\u03c6\u03b1\u03bb\u03b5\u03af\u03c2 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c4\u03bf \u03b4\u03b9\u03b1\u03b4\u03af\u03ba\u03c4\u03c5\u03bf, \u03b9\u03b4\u03af\u03c9\u03c2 \u03b3\u03b9\u03b1 \u03b5\u03c0\u03b9\u03c7\u03b5\u03b9\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b5 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03ad\u03bd\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b5\u03cd\u03c1\u03bf\u03c5\u03c2 \u03b6\u03ce\u03bd\u03b7\u03c2, \u03b1\u03c0\u03bf\u03bc\u03b1\u03ba\u03c1\u03c5\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c3\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c5\u03be\u03b1\u03bd\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03b1\u03bd\u03ac\u03b3\u03ba\u03b5\u03c2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u03a3\u03c5\u03bc\u03c0\u03ad\u03c1\u03b1\u03c3\u03bc\u03b1<\/strong><\/h2>\n\n\n\n<p>\u03a3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b1\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac, \u03c4\u03bf ISDN (Integrated Services Digital Network) \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03b5 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ae \u03c0\u03c1\u03cc\u03bf\u03b4\u03bf \u03c3\u03c4\u03b9\u03c2 \u03c4\u03b7\u03bb\u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b5\u03c2, \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b5\u03c1\u03b7 \u03ba\u03b1\u03b9 \u03c3\u03b1\u03c6\u03ad\u03c3\u03c4\u03b5\u03c1\u03b7 \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7 \u03c6\u03c9\u03bd\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03bc\u03ad\u03c3\u03c9 \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ce\u03bd \u03b3\u03c1\u03b1\u03bc\u03bc\u03ce\u03bd.  <\/p>\n\n\n\n<p>\u0395\u03c0\u03ad\u03c4\u03c1\u03b5\u03c8\u03b5 \u03c3\u03c4\u03b9\u03c2 \u03b5\u03c4\u03b1\u03b9\u03c1\u03b5\u03af\u03b5\u03c2 \u03bd\u03b1 \u03c3\u03c5\u03bd\u03b4\u03b5\u03b8\u03bf\u03cd\u03bd \u03c0\u03b1\u03b3\u03ba\u03bf\u03c3\u03bc\u03af\u03c9\u03c2 \u03bc\u03b5 \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2, \u03b4\u03b9\u03b5\u03c5\u03ba\u03bf\u03bb\u03cd\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03bc\u03b1\u03ba\u03c1\u03c5\u03c3\u03bc\u03ad\u03bd\u03b7 \u03c3\u03c5\u03bd\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1<\/p>\n\n\n\n<p>\u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03c4\u03bf ISDN \u03ad\u03c7\u03b5\u03b9 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03b1\u03b8\u03b5\u03af \u03b1\u03c0\u03cc \u03c3\u03cd\u03b3\u03c7\u03c1\u03bf\u03bd\u03b5\u03c2 \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b5\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf VoIP, \u03bf\u03b9 \u03bf\u03c0\u03bf\u03af\u03b5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b1\u03c0\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2, \u03b5\u03c5\u03ad\u03bb\u03b9\u03ba\u03c4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd \u03bc\u03cc\u03bd\u03bf \u03bc\u03b9\u03b1 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7 \u03c3\u03c4\u03bf \u03b4\u03b9\u03b1\u03b4\u03af\u03ba\u03c4\u03c5\u03bf.<\/p>\n<\/div><\/div>\n\n<div class=\"wp-block-cover ct-block-article-faq ct-virtual-numbers-page-rankmath-cover\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-white-background-color has-background-dim-0 has-background-dim\"><\/span><img decoding=\"async\" class=\"wp-block-cover__image-background wp-image-148766\" alt=\"\" src=\"https:\/\/test-staging.cloudtalk.io\/wp-content\/uploads\/2022\/10\/blog-article-faq-cover-question-marks.svg\" data-object-fit=\"cover\"\/><div class=\"wp-block-cover__inner-container is-layout-flow wp-block-cover-is-layout-flow\">\n<div class=\"wp-block-group container-fluid\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<h2 class=\"wp-block-heading has-text-align-center ct-block-article-faq-header\">\u03a3\u03c5\u03c7\u03bd\u03ad\u03c2 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2<\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1662054682142\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong><strong><strong>\u03a0\u03bf\u03b9\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03ac \u03bc\u03b5\u03c4\u03b1\u03be\u03cd DSL \u03ba\u03b1\u03b9 ISDN?<\/strong><\/strong><\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>\u03a4\u03bf DSL \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b5\u03c1\u03bf, \u03b5\u03c5\u03c1\u03cd\u03c4\u03b5\u03c1\u03b1 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c3\u03b9\u03bc\u03bf \u03ba\u03b1\u03b9 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ac \u03c6\u03b8\u03b7\u03bd\u03cc\u03c4\u03b5\u03c1\u03bf \u03b1\u03c0\u03cc \u03c4\u03bf ISDN.<br \/>\n\u0395\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd, \u03c4\u03bf DSL \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b1\u03c0\u03cc 128 Kbps \u03ad\u03c9\u03c2 \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc 100 Mbps, \u03b5\u03bd\u03ce \u03c4\u03bf ISDN \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03c3\u03c4\u03b1 64 Kbps \u03ae 128 Kbps.<br \/>\n\u0395\u03c0\u03b9\u03c0\u03bb\u03ad\u03bf\u03bd, \u03c4\u03bf DSL \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03b1 \u03c5\u03c0\u03ac\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1 \u03c7\u03ac\u03bb\u03ba\u03b9\u03bd\u03b1 \u03ba\u03b1\u03bb\u03ce\u03b4\u03b9\u03b1 \u03b3\u03b9\u03b1 &#8220;\u03c0\u03ac\u03bd\u03c4\u03b1 \u03b5\u03bd\u03b5\u03c1\u03b3\u03ad\u03c2&#8221; \u03c3\u03c5\u03bd\u03b4\u03ad\u03c3\u03b5\u03b9\u03c2, \u03b5\u03bd\u03ce \u03c4\u03bf ISDN \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b1 dial-up \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03b1\u03c0\u03bf\u03ba\u03bb\u03b5\u03b9\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2.<br \/>\n\u03a4\u03bf ISDN \u03ba\u03bf\u03c3\u03c4\u03af\u03b6\u03b5\u03b9 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03bf \u03ba\u03b1\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bb\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03bf \u03b4\u03b9\u03b1\u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03bf \u03bb\u03cc\u03b3\u03c9 \u03c4\u03c9\u03bd \u03c7\u03c1\u03b5\u03ce\u03c3\u03b5\u03c9\u03bd \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7\u03c2.   <\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1662054689829\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong><strong><strong>\u03a4\u03bf ISDN \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03cc\u03bd\u03c4\u03b5\u03bc?<\/strong><\/strong><\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>\u03a4\u03bf ISDN (\u03a8\u03b7\u03c6\u03b9\u03b1\u03ba\u03cc \u0394\u03af\u03ba\u03c4\u03c5\u03bf \u039f\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03c9\u03bc\u03ad\u03bd\u03c9\u03bd \u03a5\u03c0\u03b7\u03c1\u03b5\u03c3\u03b9\u03ce\u03bd) \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c4\u03c5\u03c0\u03b9\u03ba\u03cc \u03bc\u03cc\u03bd\u03c4\u03b5\u03bc.<br \/>\n\u0395\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c3\u03cd\u03bd\u03bf\u03bb\u03bf \u03c0\u03c1\u03bf\u03c4\u03cd\u03c0\u03c9\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03c3\u03c4\u03bf\u03bb\u03ae \u03c6\u03c9\u03bd\u03ae\u03c2, \u03b2\u03af\u03bd\u03c4\u03b5\u03bf, \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03c9\u03bd \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03b9\u03ce\u03bd \u03c8\u03b7\u03c6\u03b9\u03b1\u03ba\u03ac \u03bc\u03ad\u03c3\u03c9 \u03c4\u03b7\u03bb\u03b5\u03c6\u03c9\u03bd\u03b9\u03ba\u03ce\u03bd \u03b3\u03c1\u03b1\u03bc\u03bc\u03ce\u03bd.<br \/>\n\u03a4\u03bf ISDN \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b5\u03c4\u03ac\u03b4\u03bf\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c5\u03c7\u03bd\u03ac \u03c9\u03c2 \u03b5\u03c6\u03b5\u03b4\u03c1\u03b9\u03ba\u03cc \u03b3\u03b9\u03b1 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03ba\u03c5\u03ba\u03bb\u03ce\u03bc\u03b1\u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<br \/>\n\u0391\u03bd \u03ba\u03b1\u03b9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03b5\u03af \u03b3\u03b9\u03b1 \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7 \u03c3\u03c4\u03bf \u03b4\u03b9\u03b1\u03b4\u03af\u03ba\u03c4\u03c5\u03bf, \u03c4\u03b1 \u03bc\u03cc\u03bd\u03c4\u03b5\u03bc ISDN \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03be\u03b5\u03b9\u03b4\u03b9\u03ba\u03b5\u03c5\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c3\u03c5\u03c3\u03ba\u03b5\u03c5\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03b1\u03c0\u03cc \u03c4\u03b1 \u03bc\u03cc\u03bd\u03c4\u03b5\u03bc DSL \u03ae \u03c4\u03b1 \u03ba\u03b1\u03bb\u03c9\u03b4\u03b9\u03b1\u03ba\u03ac \u03bc\u03cc\u03bd\u03c4\u03b5\u03bc \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03b5\u03c5\u03c1\u03c5\u03b6\u03c9\u03bd\u03b9\u03ba\u03ae \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7.   <\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1662054701629\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong><strong><strong>\u03a0\u03cc\u03c3\u03bf \u03ba\u03bf\u03c3\u03c4\u03af\u03b6\u03b5\u03b9 \u03c4\u03bf ISDN?<\/strong><\/strong><\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>\u03a4\u03bf \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 \u03c4\u03bf\u03c5 ISDN \u03c0\u03bf\u03b9\u03ba\u03af\u03bb\u03bb\u03b5\u03b9 \u03c3\u03b5 \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf \u03b2\u03b1\u03b8\u03bc\u03cc \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03c0\u03ac\u03c1\u03bf\u03c7\u03bf, \u03c4\u03b7\u03bd \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c3\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c5\u03c0\u03b7\u03c1\u03b5\u03c3\u03af\u03b1.<br \/>\n\u039f\u03b9 \u03bc\u03b7\u03bd\u03b9\u03b1\u03af\u03b5\u03c2 \u03c7\u03c1\u03b5\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ba\u03c5\u03bc\u03b1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc 29 \u03ad\u03c9\u03c2 250 \u03b4\u03bf\u03bb\u03ac\u03c1\u03b9\u03b1, \u03bc\u03b5 \u03ad\u03be\u03bf\u03b4\u03b1 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b1\u03c0\u03cc 289 \u03ad\u03c9\u03c2 309 \u03b4\u03bf\u03bb\u03ac\u03c1\u03b9\u03b1.<br \/>\n\u03a4\u03bf \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03bf\u03cd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03ac\u03c4\u03c9 \u03b1\u03c0\u03cc 500 \u03b4\u03bf\u03bb\u03ac\u03c1\u03b9\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc \u03ba\u03b1\u03b9 300 \u03ad\u03c9\u03c2 1.500 \u03b4\u03bf\u03bb\u03ac\u03c1\u03b9\u03b1 \u03b3\u03b9\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03b5\u03af\u03c2 \u03c4\u03b5\u03c1\u03bc\u03b1\u03c4\u03b9\u03ba\u03ce\u03bd.<br \/>\n\u039f\u03b9 \u03c7\u03c1\u03b5\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c7\u03c1\u03ae\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c4\u03ad\u03bb\u03b7 \u03b5\u03b3\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae\u03c2 \u03ba\u03c5\u03bc\u03b1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc 140 \u03ad\u03c9\u03c2 720 \u03b4\u03bf\u03bb\u03ac\u03c1\u03b9\u03b1, \u03bc\u03b5 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03b1\u03bd\u03ac \u03bb\u03b5\u03c0\u03c4\u03cc \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03c0\u03ac\u03c1\u03bf\u03c7\u03bf \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ba\u03bb\u03ae\u03c3\u03b7\u03c2.   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