SIP Trunking in Canada

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

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
• Extensive number coverage across Canada
• Long distance and Toll free services available