VoIP carriers in Canada: which ones and how to choose
- A VoIP carrier provides infrastructure: numbers, minutes, texts. Software is a separate layer.
- Twilio, SignalWire and Telnyx are established carriers; SignalWire/Telnyx cost about half.
- Connecting your own carrier account avoids the reseller margin and gives you number ownership.
A VoIP carrier provides the telecom infrastructure: numbers, call minutes and texts. In Canada, Twilio, SignalWire and Telnyx are established carriers offering local numbers. The software that makes that number usable as a team is a separate layer, chosen separately.
Confusing carrier and software is the classic mistake. "All-in-one" apps sell you both together, with a margin on the carrier. Splitting them means taking back control of cost.
Who are the main VoIP carriers in Canada?
Three names come up for connecting a business number: Twilio, the best known and documented but priciest; SignalWire, an API very close to Twilio at about half the price; and Telnyx, low pay-as-you-go rates. All three provide Canadian numbers and the same call quality.
- Twilio — the reference, broad ecosystem, huge documentation. The priciest of the three.
- SignalWire — API nearly identical to Twilio, about half the price. Good familiarity/cost trade-off.
- Telnyx — low rates, pay-as-you-go with no fixed monthly fee. Worth it if your volume varies.
In Canada, the main VoIP carriers for a business number are Twilio, SignalWire and Telnyx. All three provide local numbers and equivalent call quality; SignalWire and Telnyx list rates about 50% below Twilio, with Telnyx running pay-as-you-go and no fixed monthly fee.
Why connect your own carrier account?
For two reasons: price and ownership. You pay the carrier directly, at its rate, with no reseller margin added by an app. And your number lives on your account: you switch carrier or software whenever you want, without losing it.
That's exactly what the Relay multi-provider model: you bring your Twilio, SignalWire or Telnyx account, and the team app plugs in without sitting in your telecom billing.
Indicative estimates: SignalWire and Telnyx list call and SMS rates about 50% below Twilio (public 2026 rate cards). Re-verify for your region and volume — carrier prices change.
Connecting your own VoIP carrier account removes the reseller margin on telecom: you pay minutes and texts at the carrier's price, and your number stays on your account. You keep the freedom to switch carrier or software without losing your number or history.