{"id":138,"date":"2020-05-19T18:26:10","date_gmt":"2020-05-19T18:26:10","guid":{"rendered":"http:\/\/10.10.1.214\/?p=138"},"modified":"2026-11-04T18:26:26","modified_gmt":"2026-11-04T18:26:26","slug":"how-to-integrate-3cx-with-analog-phones-and-pstn","status":"publish","type":"post","link":"https:\/\/blog.patton.com\/index.php\/2020\/05\/19\/how-to-integrate-3cx-with-analog-phones-and-pstn\/","title":{"rendered":"How to Integrate 3CX with Analog Phones and PSTN"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">3CX is a popular software PBX with many rich and useful unified communications capabilities. It does <strong>NOT<\/strong> however natively support analog phones or PSTN connectivity.&nbsp;So how can you keep your organization connected to the PSTN\u2014whether for fallback\/survivability or breakout phone service?<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"300\" src=\"https:\/\/blog.patton.com\/wp-content\/uploads\/2026\/11\/patton-academy-blog-banner.png\" alt=\"\" class=\"wp-image-139\" style=\"aspect-ratio:3;width:900px;height:auto\" srcset=\"https:\/\/blog.patton.com\/wp-content\/uploads\/2026\/11\/patton-academy-blog-banner.png 900w, https:\/\/blog.patton.com\/wp-content\/uploads\/2026\/11\/patton-academy-blog-banner-300x100.png 300w, https:\/\/blog.patton.com\/wp-content\/uploads\/2026\/11\/patton-academy-blog-banner-768x256.png 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">And&nbsp;how can you integrate your legacy telephone handsets with 3CX?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><em>SmartNode to the rescue!<\/em><\/strong> For your analog phones, you need a SmartNode ATA (or FXS VoIP Gateway) that provides FXS ports for connecting the legacy phones to the IP network while converting the analog voice to a SIP media stream, i.e. VoIP.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"499\" height=\"223\" src=\"https:\/\/blog.patton.com\/wp-content\/uploads\/2026\/11\/3cx-ATA_app.jpg\" alt=\"\" class=\"wp-image-140\" srcset=\"https:\/\/blog.patton.com\/wp-content\/uploads\/2026\/11\/3cx-ATA_app.jpg 499w, https:\/\/blog.patton.com\/wp-content\/uploads\/2026\/11\/3cx-ATA_app-300x134.jpg 300w\" sizes=\"auto, (max-width: 499px) 100vw, 499px\" \/><figcaption class=\"wp-element-caption\"><center><strong><span style=\"font-size: .625rem;\">Above drawing shows the 3CX phone system integrated with an analog phone using a <a href=\"https:\/\/www.patton.com\/voip-gateway\/sn200\/\">SmartNode SN200 ATA<\/a><\/span><\/strong><\/center><\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">For PSTN access, you need a VoIP gateway that provides T1\/E1\/PRI ports to integrate the 3CX phone system with a PSTN network access link (WAN connection).<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"582\" height=\"221\" src=\"https:\/\/blog.patton.com\/wp-content\/uploads\/2026\/11\/3cx-Gateway_app.jpg\" alt=\"\" class=\"wp-image-141\" srcset=\"https:\/\/blog.patton.com\/wp-content\/uploads\/2026\/11\/3cx-Gateway_app.jpg 582w, https:\/\/blog.patton.com\/wp-content\/uploads\/2026\/11\/3cx-Gateway_app-300x114.jpg 300w\" sizes=\"auto, (max-width: 582px) 100vw, 582px\" \/><figcaption class=\"wp-element-caption\"><center><strong><span style=\"font-size: .625rem;\">The above drawing shows the 3CX phone system using a <a href=\"https:\/\/www.patton.com\/voip-gateway\/sn4170\/\">SmartNode SN4170 T1\/E1 VoIP Gateway<\/a> to provide\u00a0integrated PSTN access.<\/span><\/strong><\/center><\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Patton has just released a pair of video tutorials to guide you through the setup of the two solutions shown above:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>3CX phone system integrated with analog phones using a <a href=\"https:\/\/www.patton.com\/voip-gateway\/sn200\/\">SmartNode SN200 FXS VoIP ATA<\/a><\/li>\n\n\n\n<li>3CX phone system integrated with PSTN access using a <a href=\"https:\/\/www.patton.com\/voip-gateway\/sn4170\/\">SmartNode SN4170 T1\/E1 VoIP Gateway<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><em><strong>Here are the videos!<\/strong><\/em><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"234\" src=\"https:\/\/blog.patton.com\/wp-content\/uploads\/2026\/11\/3CX-FXS-Tutorial-VIDEO-300x234-1.png\" alt=\"\" class=\"wp-image-142\"\/><figcaption class=\"wp-element-caption\"><center><strong><span style=\"font-size: .625rem;\">VIDEO TUTORIAL<br> Patton FXS Gateways and 3CX<\/span><\/strong><\/center><\/figcaption><\/figure>\n<\/div>\n\n<div class=\"wp-block-image wp-image-1729 size-medium\">\n<figure class=\"alignright size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"234\" src=\"https:\/\/blog.patton.com\/wp-content\/uploads\/2026\/11\/3CX-PSTN-Tutorial-VIDEO-300x234-1.png\" alt=\"\" class=\"wp-image-143\"\/><figcaption class=\"wp-element-caption\"><center><strong><span style=\"font-size: .625rem;\">VIDEO TUTORIAL:<br>Patton T1 &amp; E1 Gateways and 3CX!<\/span><\/strong><\/center><\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>What did you think?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Did the tutorial provide what you needed to set up your solution?<\/li>\n\n\n\n<li>Which scenario did you configure?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Please share your thought in the comments below.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>3CX is a popular software PBX with many rich and useful unified communications capabilities. It does NOT however natively support<\/p>\n","protected":false},"author":11,"featured_media":139,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-138","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology"],"_links":{"self":[{"href":"https:\/\/blog.patton.com\/index.php\/wp-json\/wp\/v2\/posts\/138","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.patton.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.patton.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.patton.com\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.patton.com\/index.php\/wp-json\/wp\/v2\/comments?post=138"}],"version-history":[{"count":1,"href":"https:\/\/blog.patton.com\/index.php\/wp-json\/wp\/v2\/posts\/138\/revisions"}],"predecessor-version":[{"id":144,"href":"https:\/\/blog.patton.com\/index.php\/wp-json\/wp\/v2\/posts\/138\/revisions\/144"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.patton.com\/index.php\/wp-json\/wp\/v2\/media\/139"}],"wp:attachment":[{"href":"https:\/\/blog.patton.com\/index.php\/wp-json\/wp\/v2\/media?parent=138"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.patton.com\/index.php\/wp-json\/wp\/v2\/categories?post=138"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.patton.com\/index.php\/wp-json\/wp\/v2\/tags?post=138"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}