{"id":18862,"date":"2010-05-25T13:39:52","date_gmt":"2010-05-25T17:39:52","guid":{"rendered":"http:\/\/blog.voipsupply.com\/?p=18862"},"modified":"2016-06-24T12:46:50","modified_gmt":"2016-06-24T12:46:50","slug":"connecting-a-voip-system-to-the-pstn","status":"publish","type":"post","link":"https:\/\/www.voipsupply.com\/blog\/voip-insider\/connecting-a-voip-system-to-the-pstn\/","title":{"rendered":"Connecting a VoIP System to the PSTN"},"content":{"rendered":"<p>The PSTN still (believe it or not) has its place in today\u2019s telecommunications world.<\/p>\n<p>With communications being the \u201cbeating heart\u201d of your business, you certainly cannot afford to be without the ability to send and receive valuable phone calls.  It is possible, with VoIP, that your network crashes or Internet connectivity can be lost. Meaning, of course, the your ability to send or receive calls, emergency included, is stripped.<\/p>\n<p>That\u2019s the problem and I herein present you with the solution: an FXO <a title=\"voip gateway\" href=\"\/voip-gateways\" onclick=\"ga('send', 'event', 'voip-insider-blog-post', 'click', 'VoIP Gateway');\">VoIP Gateway<\/a>!<\/p>\n<p><!--more--><\/p>\n<p>In one of my previous posts, I had skimmed the term FXO. FXO (Foreign Exchange Office), designates a telephone signaling interface that receives POTS (Plain Old Telephone Service). FXO generates the off-hook and on-hook indications. Basically\u2026 an FXO device is one in which appears to be a \u201cregular telephone\u201d. An FXO device would be able to accept ringing signals, go on-hook\/off-hook, and send\/receive voice frequency signals.<\/p>\n<p>So what do I actually use this gateway for and why?<\/p>\n<p>Well, there are more than a few applications for an FXO gateway but I will just name the most common (I\u2019m sure you\u2019ll be able to get a bit creative with these devices).<\/p>\n<ul>\n<li><strong>Failover<\/strong>&#8211; What if my SIP provider is experiencing problems, what if my network crashes? These are a few common questions that I hear time and time again. Luckily, an FXO creates the perfect solution\/failsafe. An FXO gateway can be implemented to provide access to multiple POTS lines (the gateways normally come in 2,4, and 8-port flavors).<\/li>\n<li><strong>Bringing In local analog POTS\/PSTN lines from remote locations to be utilized by IP PBX at the central location<\/strong> &#8211; Example; say your main site is in NY and you have remote locations in CA and TX. In using an FXO gateway, you can utilize local landlines from remote locations ( CA and TX) to be utilized by the main site\u2019s IP PBX. Phone calls from NY pass through the internet (VoIP) to the remote locations to make locals calls that corresponds to  each location. Local telephony companies for these locations will \u201cthink\u201d the calls are local as the calls are rolling out from the FXO gateways at each location and nothing will appear to be of long distance. Now how cool is that?!?<\/li>\n<\/ul>\n<p><a title=\"analog voip gateways\" href=\"\/voip-gateways\/analog\" onclick=\"ga('send', 'event', 'voip-insider-blog-post', 'click', 'Analog VoIP Gateways');\">Analog VoIP Gateways<\/a> enable flexible deployments and interoperability for evolving next generation networks. Supported protocols for Analog gateways include SIP and certain gateways even provide support for lesser used protocols such as H.323. and MGCP.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The PSTN still (believe it or not) has its place in today\u2019s telecommunications world. With communications being the \u201cbeating heart\u201d of your business, you certainly cannot afford to be without the ability to send and receive valuable phone calls. It is possible, with VoIP, that your network crashes or Internet connectivity can be lost. Meaning, [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1219,1227],"tags":[],"class_list":["post-18862","post","type-post","status-publish","format-standard","hentry","category-voip-education","category-voip-gateways"],"_links":{"self":[{"href":"https:\/\/www.voipsupply.com\/blog\/voip-insider\/wp-json\/wp\/v2\/posts\/18862","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.voipsupply.com\/blog\/voip-insider\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.voipsupply.com\/blog\/voip-insider\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.voipsupply.com\/blog\/voip-insider\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/www.voipsupply.com\/blog\/voip-insider\/wp-json\/wp\/v2\/comments?post=18862"}],"version-history":[{"count":2,"href":"https:\/\/www.voipsupply.com\/blog\/voip-insider\/wp-json\/wp\/v2\/posts\/18862\/revisions"}],"predecessor-version":[{"id":185843,"href":"https:\/\/www.voipsupply.com\/blog\/voip-insider\/wp-json\/wp\/v2\/posts\/18862\/revisions\/185843"}],"wp:attachment":[{"href":"https:\/\/www.voipsupply.com\/blog\/voip-insider\/wp-json\/wp\/v2\/media?parent=18862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.voipsupply.com\/blog\/voip-insider\/wp-json\/wp\/v2\/categories?post=18862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.voipsupply.com\/blog\/voip-insider\/wp-json\/wp\/v2\/tags?post=18862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}