CxC Sip Trunking

A SIP (Session Initiation Protocol) Trunk can support multiple voice calls or voice channels, routed over an IP network such as an MPLS Network or the Internet.

Unlike traditional telephony, where clusters of physical wires are delivered from the service provider to a business.

SIP trunk replaces these fixed Public Switched Telephone Network (PSTN) lines with a flexible, feature-rich system that includes full PSTN connectivity.

If you currently have an IP-PBX system in your office, you can take advantage of Convergia’s SIP Trunking service to save money when making local and long-distance calls within Canada and worldwide. SIP Trunking supports the most popular IP PBXs, including Avaya, Cisco, Mitel, Positron, Asterisk and others.

Solution Benefits


Support Remote Teams

Voicemails get delivered as email with audio attachments to a user with the voicemail2email functionality. These voicemails can be transcribed into text for an extra price. Choose phone numbers in over 1000 cities. While some phone companies offer minimal coverage, only Convergia operates in Canada, USA, Mexico, and across South America.


The Best Quality & Reliability

Whether you access Convergia SIP Trunking over a dedicated Internet or IP-VPN/MPLS connection, Convergia’s Class of Service (CoS) prioritizes voice calls over data traffic. This means you’ll always enjoy the highest-quality voice service, enabling business continuity and disaster recovery.



Keep your existing phone number, eliminate the need for PSTN gateway interface devices, and simplify administration. As a digital protocol, SIP allows integration with a wide variety of the best computer programs and digital services.



Enjoy long distance and PRI cost savings and achieve a fast return on investment. Savings with our plans are typically in the 20% -60% range for SIP services vs. traditional voice services.

Solution Features

SIP trunks can offer significant cost-savings for small and medium sized businesses by eliminating the need for local PSTN gateways, PRIs (Primary Rate Interfaces) and expensive ISDN BRIs (Basic Rate Interfaces). Unlike the bundles of physical wires used in traditional telephony, a SIP trunk allows a business to replace these fixed PSTN lines with PSTN connectivity via a SIP trunking service provider on the Internet.
SIP trunks phone systems provide more flexibility and features than traditional business phone systems. Now, it is possible for a small business to have all the business telephone capabilities and features of a multi-national company at a very low cost. There are so many other advantages of SIP trunks, like the ability to take your phone number with you around the world when you travel, local calling in cities that you don’t physically have an office in, integration between your phone system and customer management systems (CMS), advanced calling, voice mail options and much more. The main advantage of SIP Trunks over PRIs is that SIP Trunks can be ordered in increments of 1, whereas PRIs have to be ordered in increments of 23 channels.
SIP Trunking is scalable, offering flexible bandwidth adjustment capability. This means you only use – and only pay for – as much or as little as needed. The IP media stream sent from your company remains as an IP media stream and goes anywhere within the company or to another company by IP, thus reducing the need for hardware media gateways while yielding considerable cost savings.
Save considerably with SIP, by eliminating the need for local PSTN gateways, expensive hardware, complicated network management tools and other extra costs. In addition, SIP significantly lowers security risks, via voice encryption.

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