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What is SIP Trunking?

SIP Trunking is a voice service offered by Comwave that allows compatible phone systems to place calls over an IP connection to Comwave (VoIP). While SIP Trunking is indeed VoIP, it doesn't generally use public residential internet connections like traditional VoIP home phone services. Inquire about SIP Trunking with a dedicated managed connection from you to Comwave, guaranteeing you even higher quality digital phone service.

How Comwave SIP Trunking Works


Comwave is Canada's largest SIP Trunking provider, operating the largest redundant national network. While some phone companies offer minimal coverage in Canada, only Comwave operates in every Province and State. Whether you own a small business in Victoria, BC, or a large national chain, only Comwave can provide a single point of contact.

  • Custom design and implementation
  • Enhanced calling features
  • Bandwidth options
  • Interoperability and certification



  • Phone numbers throughout Canada & USA
  • React to business needs immediately by adding new phone lines in minutes
  • No need to purchase expensive phone system line cards
  • Optimize network infrastructure and bandwidth

Why Comwave?

You really don't need to experiment with your voice communication. Reliable, Scalable, Flexible and Cost Effective is what has made Comwave Canada's leader in VoIP and SIP Trunking. No other provider has as many SIP lines as Comwave. The fact is that most of Canada's phone companies rely on Comwave SIP Trunking for the millions of calls their own customers make every day.

We know how to do it

We can guide you through it

We can get you up and running quickly