{"id":3049,"date":"2023-05-09T13:13:19","date_gmt":"2023-05-09T13:13:19","guid":{"rendered":"https:\/\/www.vitelglobal.com\/blog\/?p=3049"},"modified":"2023-10-02T15:24:02","modified_gmt":"2023-10-02T15:24:02","slug":"transitioning-from-pstn-to-sip-trunking","status":"publish","type":"post","link":"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/","title":{"rendered":"Transitioning from PSTN to SIP Trunking: Understanding How They Work"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/#What_Is_SIP_Trunking\" >What Is SIP Trunking?<\/a><ul class='ez-toc-list-level-5' ><li class='ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/#Before_moving_you_need_to_know_everything_about_transitioning\" >Before moving, you need to know everything about transitioning:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/#Heres_How_Trunking_Work\" >Here&#8217;s How Trunking Work:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/#PSTN\" >PSTN:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/#SIP_Trunking\" >SIP Trunking:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/#PSTN_vs_SIP\" >PSTN vs. SIP:\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/#Transition_Trunking_Offers_Several_Advantages\" >Transition Trunking Offers Several Advantages:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/#Conclusion\" >Conclusion:<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><p>With the proliferation of VoIP, there has been a gradual decrease in the use of PSTN. However, there is still demand for adding <a href=\"https:\/\/www.vitelglobal.com\/cloud-pbx-phone-system\" target=\"_blank\" rel=\"noopener\"><strong>Hosted PBXs<\/strong><\/a> to organizations looking at ways to modernize their technology systems. One popular method is to switch from Public Switched Telephone Networks to SIP Trunking.<\/p>\n<p>This article will help IT professionals and telecom engineers understand how these two work and which might be more appropriate for their organization.<\/p>\n<p>It\u2019s not difficult to change from one system to another, but it requires planning on the organization&#8217;s behalf and understanding how each system works under different circumstances.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"What_Is_SIP_Trunking\"><\/span>What Is SIP Trunking?<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>In other words, The Trunking uses SIP to support VoIP phone systems. It\u2019s the standard way of connecting VoIP phones to providers and other cloud PBX or telephony systems. It is because there are only two points in the call \u2013 one caller connected directly to one called party.<\/p>\n<p>With it, you place your voice calls through a VoIP carrier&#8217;s high-speed internet connection rather than the traditional copper wire-based network. There&#8217;s no need to use PSTN service to make these calls which means you can carry on your business with less expense.<\/p>\n<p>In other words, the whiteboard example above is a point-to-point connection.<\/p>\n<p>VoIP users must connect them through their existing phone systems within the organization. Users can access the company\u2019s voice services with VoIP phones. It typically uses a T1 or E1 line to transmit voice data.<\/p>\n<p>Using broadband and public switched telephone network connections makes it easier for organizations to add VoIP to their communications systems and offer remote user support capabilities.<\/p>\n<p>It&#8217;s been a long-time coming, but the switched telephone network world is finally meeting its match. This switch might initially seem confusing, even for seasoned professionals who know all about VoIP calls.<\/p>\n<h5><span class=\"ez-toc-section\" id=\"Before_moving_you_need_to_know_everything_about_transitioning\"><\/span>Before moving, you need to know everything about transitioning:<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p>It\u2019s not a VoIP Call: As many have assumed, it&#8217;s not just a VoIP call. The transition requires a significant shift in infrastructure as compared to traditional telephony services. Your old phone lines and PBX systems can switch to a new VoIP service. It&#8217;s important to change the configuration of your office phone system to support recording and other features on par with your traditional switched telephone network-based business phone system.<\/p>\n<p>Before we talk about the reasons behind changing from PSTN to SIP trunking, let us first understand why this is such a good idea in the first place. Here&#8217;s a quick list of benefits you should look forward to once you make the change.<\/p>\n<ul>\n<li><strong>No more local area code:<\/strong> It probably is appealing. The local area code will disappear, and all your calls will move over to VoIP. Local calling zones or dialing patterns will not track when calling other areas.<\/li>\n<li><strong>Faster call ping:<\/strong>\u00a0You no longer need an intermediary trunk call when connecting to an offsite contact. VoIP calls are digitally encrypted and will be faster than any traditional call. It significantly reduces the burden on your network and eases the load on your PBX\/voicemail system.<\/li>\n<li><strong>No more disconnections:<\/strong>\u00a0This is more than just a plus for you and your customers. Traditional phone lines have a higher likelihood of disconnections and delays when compared to VoIP calls. The VoIP infrastructure is built so that all the problems of network systems are circumvented, thus ensuring a much more reliable customer experience.<\/li>\n<li><strong>Quality Assurance:<\/strong>\u00a0\u00a0Business communications have shown that voice quality for VoIP calls is consistently better than PSTN calls of similar duration.<\/li>\n<\/ul>\n<h5><span class=\"ez-toc-section\" id=\"Heres_How_Trunking_Work\"><\/span>Here&#8217;s How Trunking Work:<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<h5><span class=\"ez-toc-section\" id=\"PSTN\"><\/span>PSTN:<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p style=\"margin: 0in 0in 12.0pt 0in;\"><span lang=\"EN-IN\" style=\"color: #0e101a;\">In a public switched telephone network setup, when you make a phone call, your voice is converted into analog signals and transmitted over copper wires. The signals travel through a series of switches and exchanges in the telephone network until they reach the recipient. The recipient&#8217;s telephone then converts the analog signals back into audible sounds.<\/span><\/p>\n<p style=\"margin: 0in 0in 12.0pt 0in;\"><span lang=\"EN-IN\" style=\"color: #0e101a;\">When you make a phone call, your voice is converted into analog signals and transmitted over copper wires. It is a heavily regulated process, with the contact shared among each carrier that transmits it. This outdated and inflexible system is also vulnerable to outages, quality and service issues, and expensive fees.<\/span><\/p>\n<h5><span class=\"ez-toc-section\" id=\"SIP_Trunking\"><\/span><strong>SIP Trunking<\/strong>:<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p>It uses Voice over Internet Protocol to transmit voice calls. Without the use of physical wires, voice signals convert digital packets and are sent over an IP network. The protocol will establish and manage these voice sessions. The packets route through IP networks to reach the recipient, where they convert back into audio.<\/p>\n<p>It uses internet-based phone lines for voice calls rather than traditional copper wires. It means that your voice signal remains digital throughout the call. The result? Higher call quality with fewer dropped calls, better protection against power outages, and easier installation \u2014 all of which add up to a more cost-effective telephony setup.<strong>\u00a0<\/strong><\/p>\n<h5><span class=\"ez-toc-section\" id=\"PSTN_vs_SIP\"><\/span><strong>PSTN vs. SIP:\u00a0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p>You might wonder which of these two technologies is right for you or your business. This article will explain how Trunking is alike and how they&#8217;re different.<\/p>\n<p>A public switched telephone network is a traditional telephone network that has been in use for many years. It relies on physical copper wires and circuit-switching technology to establish connections between callers. In contrast, using the Session Initiation Protocol, Trunking is a modern method of transmitting voice calls over the Internet.<\/p>\n<h5><span class=\"ez-toc-section\" id=\"Transition_Trunking_Offers_Several_Advantages\"><\/span>Transition Trunking Offers Several Advantages:<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<ul>\n<li><strong>Cost Savings:<\/strong> Your switched network provider will continue to provide traditional telephone service, taking care of your current connections and numbers. It can be more cost-effective than traditional network services. It eliminates the need for separate voice and data networks, reduces long-distance call charges, and offers flexibility in scaling the required channels.<\/li>\n<li><strong>No Long-Term Contract:<\/strong> One-time setup costs of SIP trunking can be covered by a one-time equipment purchase from your carrier.<\/li>\n<li><strong>Voice Quality:<\/strong> Good voice is always maintained on the network, with no compression.<\/li>\n<li><strong>Caller ID:<\/strong> You&#8217;ll have a different number for each call made through the service, so people won&#8217;t recognize you when you call them back. It ensures safety when conducting business.<\/li>\n<li><strong>SIP Trunk Service Provider<\/strong> technology allows for &#8220;packet switching&#8221; (delivering your calls in batches). It can get you much better rates on long-distance and international calls. Enhanced call quality. Because Internet bandwidth is much greater than the PSTN&#8217;s, VoIP technology gives you clearer, more consistent connections without lag time or delays common in regular dial-up internet connections.<\/li>\n<li><strong>Scalability:<\/strong> It allows for easy scalability, as physical infrastructure does not limit it. You can remove or add channels virtually without additional hardware.<\/li>\n<li><strong>Flexibility:<\/strong>\u00a0It enables the integration of various communication services, such as voice, video, and instant messaging, over a single IP network. It also supports advanced features like call forwarding, recording, and interactive voice response (IVR) systems.<\/li>\n<\/ul>\n<p>It makes obtaining local phone numbers from different geographic regions possible, even if the business is physically located elsewhere. This feature is useful for companies with a global presence or those looking to establish a virtual presence in specific locations.<\/p>\n<p>To transition Trunking, you would typically need an IP-enabled phone system or a session border controller (SBC) to connect your existing telephony infrastructure to a Session Initiation Protocol trunk provided by an Internet Telephony Service Provider. It will handle the conversion of calls between the IP network and the PSTN.<\/p>\n<h5><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion:<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p>Hope this explanation clarifies the transition trunking. It&#8217;s worth noting that during the transition, it&#8217;s common for businesses to maintain both PSTN and\u00a0SIP Trunk Service simultaneously to ensure a smooth migration and provide fallback options if necessary.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>With the proliferation of VoIP, there has been a gradual decrease in the use of PSTN. However, there is still demand for adding Hosted PBXs to organizations looking at ways to modernize their technology systems. One popular method is to switch from Public Switched Telephone Networks to SIP Trunking. This article will help IT professionals [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":3050,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[225],"tags":[654,420],"class_list":["post-3049","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-best-sip-trunk-providers","tag-business-sip-trunk-provider","tag-cloud-pbx"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Transitioning from PSTN to SIP Trunking | Vitel Global<\/title>\n<meta name=\"description\" content=\"Upgrade your business phone? Learn from our blog how to transition from PSTN to SIP trunking, more reliable, cost-effective communication!\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Transitioning from PSTN to SIP Trunking | Vitel Global\" \/>\n<meta property=\"og:description\" content=\"Upgrade your business phone? Learn from our blog how to transition from PSTN to SIP trunking, more reliable, cost-effective communication!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/\" \/>\n<meta property=\"og:site_name\" content=\"Vitelglobal Communications\" \/>\n<meta property=\"article:published_time\" content=\"2023-05-09T13:13:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-10-02T15:24:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.vitelglobal.com\/blog\/wp-content\/uploads\/2023\/05\/Transitioning-from-PSTN-to-SIP-Trunking-Understanding-How-They-Work.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"628\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Shushrutha Reddy\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Shushrutha Reddy\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/\"},\"author\":{\"name\":\"Shushrutha Reddy\",\"@id\":\"https:\/\/www.vitelglobal.com\/blog\/#\/schema\/person\/6697fc55805d98b8ea4481cdd70aef09\"},\"headline\":\"Transitioning from PSTN to SIP Trunking: Understanding How They Work\",\"datePublished\":\"2023-05-09T13:13:19+00:00\",\"dateModified\":\"2023-10-02T15:24:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/\"},\"wordCount\":1260,\"publisher\":{\"@id\":\"https:\/\/www.vitelglobal.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.vitelglobal.com\/blog\/wp-content\/uploads\/2023\/05\/Transitioning-from-PSTN-to-SIP-Trunking-Understanding-How-They-Work.png\",\"keywords\":[\"business sip trunk provider\",\"Cloud PBX\"],\"articleSection\":[\"Best SIP Trunk Providers\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/\",\"url\":\"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/\",\"name\":\"Transitioning from PSTN to SIP Trunking | Vitel Global\",\"isPartOf\":{\"@id\":\"https:\/\/www.vitelglobal.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.vitelglobal.com\/blog\/transitioning-from-pstn-to-sip-trunking\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.vitelglobal.com\/blog\/wp-content\/uploads\/2023\/05\/Transitioning-from-PSTN-to-SIP-Trunking-Understanding-How-They-Work.png\",\"datePublished\":\"2023-05-09T13:13:19+00:00\",\"dateModified\":\"2023-10-02T15:24:02+00:00\",\"description\":\"Upgrade your business phone? 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