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ISP Telecom's SIP Trunking combines reliable local access in Canada with the unparallel flexibility of Voice over IP. Our SIP Trunking using Session Initiation Protocol offers benefits for customers with high-speed Internet connections.

We provide superb voice quality with our facility-based infrastructure, because we are a CLEC (Competitive Local Exchange Carrier) in all the Canadian markets we serve. We connect directly with the Public Switched Telephone Network, so your local calls can be routed straight to the PSTN.

SIP Trunking is a perfect solution for telecom service providers requiring high capacity local access of superb quality with immediate reductions in monthly recurring costs over legacy connections. SIP Trunking offers great flexibility allowing service providers in Canada and around the world almost immediate turn up and lower infrastructure costs.


ISP Telecom's solution delivers the following business benefits:
  • Lowering your telecom expenses
  • Fully utilizing your IP Gateway or IP-PBX
  • Quick turn-up (in as little as 2 business days)
  • Vital for Disaster Recovery Planning (DRP)
  • Gaining greater efficiency by merging data and telecom access
  • Easy scalability in 23-channels increments

Map Click here to see our NPA-NXX coverage and rate centres


Features and Capabilities
Each SIP trunk supports 23 simultaneous call paths
Toll-quality G.711 with optional G.729 CODEC availability
SIP Trunking conforms with SIP v2 (RFC 3261) standard
In-band DTMF, and RFC 2833 (RTP Payload DTMF)
Voice Activity Detection (VAD) supported
Can specify alternate IP address for access – can be integrated for Disaster Recovery planning
FAX friendly: G.711 pass-through
24/7 technical support
Long distance and Toll free services available

Get a Quotation Today!!!

SIP Trunks
The perfect solution for quality high capacity local access using IP transport.
OnNet Term
ISP Telecom offers the use of its extensive on-net facilities to terminate calls to on-net exchanges. Customers have the option of connecting via SIP or TDM. Take advantage of our superior network quality and aggressive wholesale pricing. Ask us about our rates and complete coverage area
Long Distance
ISP Telecom provides wholesale termination and access solutions to fit your unique requirements. We provide the first class customer support that enables you to focus on your core business.
Customers benefit from the delivery of SMS messages to and from Wireless operators and other SMS operators. This Peer-to-Peer service is for customers with users having assigned DIDs. SMS Service provides the enablement of SMS messages to and from the inventory of DIDs assigned to customer trunks. The delivery and receiving of SMS messages is accomplished via SMSC gateway
ISP Telecom can allocate a range of telephone numbers for calling into a customer's private branch exchange (PBX). DIDs enable a company to assign individual phone numbers for each workstation without the need for a physical connection to the PBX. A complete list of rate centres where we provide native DIDs can be found on our Coverage Page.
ISP Telecom processes quick, efficient LNP number moves for our wholesale customers in Canada. Local Number Portability allows end users to keep their telephone number when changing service providers. A complete list of rate centres that we can port to can be found on our Coverage Page. You can also check the Local Calling Guide to make sure our NPA-NXX covers your local calling area.
Toll Free (Canada/US)
ISP Telecom's toll free service delivers a number for your customers to call regardless if their location is in Canada or the U.S.
Traditional TDM-based, high capacity local access, with flexible local loop options.
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