{"id":9443,"date":"2020-03-14T09:29:52","date_gmt":"2020-03-14T14:29:52","guid":{"rendered":"http:\/\/45.33.92.219\/?p=9443"},"modified":"2020-03-14T09:29:52","modified_gmt":"2020-03-14T14:29:52","slug":"making-the-move-from-pstn-to-sip-trunk-sip-trunking-explained","status":"publish","type":"post","link":"https:\/\/claritytg.com\/index.php\/2020\/03\/14\/making-the-move-from-pstn-to-sip-trunk-sip-trunking-explained\/","title":{"rendered":"Making The Move From PSTN To SIP Trunk: SIP Trunking Explained"},"content":{"rendered":"<h2>Making the move from PSTN to SIP Trunk: SIP Trunking explained<\/h2>\n<p>The trusted old Public Switched Telephone Network (PSTN), with its Analog lines, ISDN BRI, PRI, E1 or t1 lines, are gradually being replaced by IP telephony. An increasing number of businesses are using more modern and flexible SIP Trunks.<\/p>\n<p>The major telecom providers are fast phasing out the old PSTN functionality and are moving customers to IP. Many European and North and South American countries have already completely phased out ISDN with countless others to follow. The majority of businesses these days are already using modern IP phone systems and SIP trunks, although some smaller business may still rely on outdated technology.<\/p>\n<p>Phone companies like Verizon have phased out ISDN in the U.S. and in the UK, ISDN lines have significantly decreased. In 2017 major Telcos such as KPN, France Telecom, Deutsche Telekom, Telecom Italia and BT began to phase out ISDN lines, with the UK announcing that their entire ISDN infrastructure would be retired by 2025.<\/p>\n<p>As a result, Session Initiation Protocol (SIP) trunking has increased dramatically, with an expected 71% of all network traffic for SMBs and enterprise customers in the UK expected to be SIP by 2020. The SIP Trunking service is usually provided by an internet service provider (ISP). Unlike a PTSN provider, the lines provided are not physical lines, but a service provided over your internet connection. The SIP Trunk Provider provides phone numbers and lines, usually at better rates than the traditional providers and with more flexibility and shorter contract durations.<\/p>\n<p>This guide explains what SIP Trunks are, their advantages and how you can make the move.<\/p>\n<h4><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/d20hvw4zeymqbm.cloudfront.net\/wp-content\/uploads\/2019\/10\/sip-trunking-01.jpg\" alt=\"sip trunking\" \/><\/h4>\n<h4>What are SIP Trunks?<\/h4>\n<p>A SIP trunk is the modern days equivalent of a T1 trunk. Where in the past you would buy a T1 trunk from a Telco provider and connect it to your legacy PBX, today you can buy a SIP trunk from an ITSP (Internet Telephony Service Provider) and connect it to your VoIP\/IP PBX. SIP trunks use the SIP standard. The name \u2018trunk\u2019 comes from the telecom world and it means, more or less, a group of phone lines.<\/p>\n<p>Using this standard protocol, telecom service (VoIP) providers connect one or more channels to the customer\u2019s PBX. Phone numbers and DIDs are linked to the SIP trunk. In many cases numbers can be ported to the SIP Trunk.<\/p>\n<h4>Benefits of SIP Trunking<\/h4>\n<p>Our farewell to the PSTN brings many benefits. SIP Trunks deliver:<\/p>\n<ul>\n<li><strong>Lower monthly Line &amp; DID Rental<\/strong> \u2013 The monthly fee to have several lines installed at your office drops significantly with SIP Trunks. And DIDs cost a lot less.<\/li>\n<li><strong>Lower call charges<\/strong> \u2013 There are many SIP Trunk providers and competition has driven down call charges significantly. Some SIP Trunks even come with unlimited calling and you can save on international call charges, too.<\/li>\n<li><strong>Better customer service<\/strong> \u2013 Provide better customer service by adding more geographical and international numbers. Quickly and easily add numbers to your SIP Trunk and terminate them on your IP PBX \u2013 you can give customers more options to dial in at a significantly lower cost, even long distance. Customers can contact you more easily and sales will increase.<\/li>\n<li><strong>Move offices and keep the same number<\/strong> \u2013 SIP Trunks are not bound to a location, so it\u2019s easy to move offices without having to change your stationary or inform your customers. There is no longer any need to pay to forward phone calls to the new offices.<\/li>\n<li><strong>Eliminate VoIP Gateways<\/strong> \u2013 SIP Trunks will eliminate the need to buy and manage VoIP Gateways. All phone calls come in via IP. No extra conversion often means better quality too.<\/li>\n<li><strong>Leverage a modern IP PBX<\/strong> \u2013 Modern IP PBX \/ Unified Communications solutions will give customers increased productivity, mobility and boost sales. Connecting an IP PBX to SIP Trunks is much easier than via the PSTN. You can go on-premise or hosted, the choice is yours.<\/li>\n<li><strong>Flexibility<\/strong> \u2013 It is easy to add channels to your SIP Trunk to cope with increased calls. A simple phone call will allow you to add channels, and often this can be done immediately. Compare that to the delay in having additional lines installed and then having to upgrade your old PBX to handle more lines!<\/li>\n<li><strong>Correct number of channels<\/strong> \u2013 With SIP Trunks, you can easily choose the correct number of channels that you need.<\/li>\n<\/ul>\n<h4>Selecting the right SIP Trunk provider<\/h4>\n<p>The next step is to choose a SIP Trunk provider who will supply the necessary SIP Trunks. A few factors come into play when making this decision:<\/p>\n<ul>\n<li><strong>Security<\/strong> \u2013 As SIP Trunks are exposed to the Internet, it is very important that the SIP Trunk has a well secured network and an anti-fraud system in place. The anti-fraud system must monitor the system and provide protection against call fraud.<\/li>\n<li><strong>Own network<\/strong> \u2013 Does the SIP Trunk provider run its own network or is it a rebranded service? There are quite a few providers out there reselling SIP Trunks from other providers. Select a provider who has control over their service and network.<\/li>\n<li><strong>Competitive Cost<\/strong> \u2013 Costs vary widely between services. Some vendors will overcharge for SIP Trunks. Look for competitive rates but ensure that you are getting business quality SIP Trunk service. For example, telecom providers will provide a cheaper quality to Internet call shops. Be cost conscious but expect to pay a bit more for business class service.<\/li>\n<li><strong>Number Porting<\/strong> \u2013 Can the provider port your phone numbers? Ensure that you choose a provider who can port all the existing numbers \u2013 not all providers are able to do this for all regions.<\/li>\n<li><strong>Support<\/strong> \u2013 Does the provider offer support? And what is their availability? 3CX has a wide range of SIP trunk providers that have been tested and approved for use with the PBX so that they are fully supported by us.<\/li>\n<\/ul>\n<h4>Upgrading Internet connectivity<\/h4>\n<p>Once you have selected your SIP Trunk provider, consider a dedicated Internet line for the SIP Trunk. Most firewalls are able to handle multiple WAN connections, and, considering the low cost of an Internet line in most places, a separate VoIP connection will be the most reliable way to ensure the quality of your VoIP calls.<\/p>\n<p>However, some SIP Trunk providers bundle their service with a dedicated Internet line. This keeps your voice traffic separate from your data traffic. Much will depend on the cost and your network infrastructure. Check that your firewall is up-to-date and will be capable of handling VoIP traffic correctly.<\/p>\n<h4>Upgrading the PBX to an IP PBX<\/h4>\n<p>Chances are that the old PSTN lines are connected into another old device, the hardware-based PBX system. This device is inflexible, difficult to manage and often expensive to maintain. Technically it is possible to buy a gateway that allows the old PBX to talk to the SIP Trunks. But why not upgrade to a modern IP PBX and leverage the flexibility and modern features IP telephony can bring to your business phone system. This allows you to take advantage of the cost savings, easy management, and productivity increases with full-scale Unified Communications that an IP PBX offers. ClarityHostedtm powered by 3CX can be easily deployed in the cloud, on-premise with Windows or Linux, on mini-PC and even a Raspberry Pi, virtualized with VMware, KVM or Hyper V, or in the Cloud with ClarityCloudtm Google, Amazon, Microsoft Azure and others.<\/p>\n<p>Clarity is proud to have been providing 3CX Telephone System to North America since 2006. As one of the oldest 3CX Partners in North America with clients worldwide offering this unified communications platform and ultimately earning the level of Titanium Partner Clarity Technologies Group, LLC surpasses expectations.<\/p>\n<p style=\"text-align: center;\"><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335551550&quot;:2,&quot;335551620&quot;:2,&quot;335559740&quot;:240}\"><img decoding=\"async\" class=\"alignnone size-full wp-image-9326\" src=\"http:\/\/45.33.92.219\/wp-content\/uploads\/2020\/03\/Clarity_Brand.jpg\" alt=\"\" width=\"300\" height=\"116\" \/><img decoding=\"async\" class=\"alignnone wp-image-9425\" src=\"http:\/\/45.33.92.219\/wp-content\/uploads\/2020\/03\/PNG-275x300.png\" alt=\"\" width=\"164\" height=\"179\" \/><\/span><\/p>\n<p><span class=\"TextRun SCXW159643874 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW159643874 BCX0\">Call Clarity at 800-354-4160 today or email us at\u202f<\/span><\/span><span class=\"TextRun SCXW159643874 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW159643874 BCX0\">\u202f<\/span><\/span><a class=\"Hyperlink SCXW159643874 BCX0\" href=\"mailto:info@clarityscg.com\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW159643874 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW159643874 BCX0\" data-ccp-charstyle=\"Hyperlink\">info@clarityscg.com<\/span><\/span><\/a><span class=\"TextRun SCXW159643874 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW159643874 BCX0\">. We are partnered internationally around the globe and we are open seven days a week 8:30 AM to 5:00 PM EST\/EDT.<\/span><\/span><span class=\"TextRun SCXW159643874 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW159643874 BCX0\">\u00a0<\/span><\/span><a class=\"Hyperlink SCXW159643874 BCX0\" href=\"http:\/\/45.33.92.219\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW159643874 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW159643874 BCX0\" data-ccp-charstyle=\"Hyperlink\">http:\/\/45.33.92.219<\/span><\/span><\/a><span class=\"TextRun SCXW159643874 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW159643874 BCX0\">\u00a0and\u00a0<\/span><\/span><a class=\"Hyperlink SCXW159643874 BCX0\" href=\"https:\/\/dotmantech.com\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW159643874 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW159643874 BCX0\" data-ccp-charstyle=\"Hyperlink\">https:\/\/dotmantech.com<\/span><\/span><\/a><span class=\"EOP SCXW159643874 BCX0\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span>[mc4wp_form id=&#8221;314&#8243;]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Making the move from PSTN to SIP Trunk: SIP Trunking explained The trusted old Public Switched Telephone Network (PSTN), with its Analog lines, ISDN BRI, PRI, E1 or t1 lines, are gradually being replaced by IP telephony. An increasing number of businesses are using more modern and flexible SIP Trunks. The major telecom providers are [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[21,9],"tags":[22,23,24,25,26,27,28,29,30,31,32],"class_list":["post-9443","post","type-post","status-publish","format-standard","hentry","category-3cx","category-news","tag-3cx-call-center","tag-call-center-solutions","tag-hosted-phone-systems","tag-ip-pbx","tag-phone-systems","tag-remote-presence","tag-sbc","tag-session-broader-controller","tag-voip","tag-web-conferencing","tag-web-meeting"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Making The Move From PSTN To SIP Trunk: SIP Trunking Explained -<\/title>\n<meta name=\"description\" content=\"A SIP trunk is the modern days equivalent of a T1 trunk. Where in the past you would buy a T1 trunk from a Telco provider and connect it to your legacy PBX,\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/claritytg.com\/index.php\/2020\/03\/14\/making-the-move-from-pstn-to-sip-trunk-sip-trunking-explained\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Making The Move From PSTN To SIP Trunk: SIP Trunking Explained -\" \/>\n<meta property=\"og:description\" content=\"A SIP trunk is the modern days equivalent of a T1 trunk. 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