SIP Trunking

Leading Global SIP Trunking Provider

Power your global communications on a private, HD-voice network with Telnyx SIP Trunking.
SIP Trunking

Take charge of your communications with our self-service Mission Control Portal

  • See usage statistics, traffic levels and active calls in real-time.
  • Control your audio, with a choice of high-definition video and audio codecs.
  • Debug in seconds with advanced call flow visualization and SIP ladder exporting.
  • Search, buy, provision, activate and edit the phone numbers you need in bulk.

We built our network for real-time communications.

More points of presence give you lower latency anywhere on earth. Multi-cloud architecture provides peace-of-mind redundancy.

  • Unmatched Security

    Encryption options for signaling (TLS) and media (SRTP/ZRTP) ensure your communications are secure.

  • Carrier-Grade Quality

    Tier-1 interconnects and a private MPLS fiber backbone minimize hops on the public internet.

MAY 18, 2021
“We can deploy SIP Trunks and purchase numbers rapidly with basically no lead time.”
Aleck Y
VP, Service Excellence

Elastic SIP Trunking features, built for power-users

Fraud Protection

Dedicated anti-fraud team and predictive AI monitoring to catch toll fraud and number spoofing.

Call Recording

Enable automatic recording per number or connection, with configurable formats and free cloud storage.

Emergency Calling

Add an address to your account for in-plan calls to E911 numbers and automated routing to the nearest PSAP.

Detailed Debugging

Detailed debugging and SIP ladder diagnostics to troubleshoot your calls with full visibility.

Alerting & Reporting

Set custom alerts for account balance, automatic top-up, call statistics, and fraudulent or suspicious activity.


Ultra-fast number porting with automatic CSR validation, bulk submission, and easy tracking of porting requests.

Custom Routing

Choose a routing scheme per number for ultimate quality, lowest cost, or specialized traffic types.

Global Numbers

Search for numbers in 100+ international countries and 13,000+ US rate centers by prefix, location or features.
  • See our Elastic SIP Trunking Pricing

    Customers typically save 30% by switching to Telnyx, with lower list pricing and automatic volume discounts.

    Starting at $0.0035/min for origination and $0.005/min for termination.

    See Pricing

Effortless Integration: Telnyx as Your SIP Trunking Provider

  • Unparalleled 24/7 Support
    Other providers put phone support behind a paywall. Telnyx SIP trunk support is available around the clock, for every customer, so your questions never have to wait until Monday.

    Learn More →

  • Bring Your Own Carrier
    Plug and play with your existing PBX, softphone client or VoIP infrastructure, following our step-by-step walkthrough guides to get up and running in minutes.

    Learn More →

  • Scale On-Demand
    Add or remove elastic SIP call capacity to get exactly what you need, right when you need it. All it takes is a few clicks.

    Learn More →

Ready to get started?

Questions on setup? Talk to our experts

Frequently Asked Questions

SIP Trunking, put simply, is a means of operating phone systems over the internet, instead of using a traditional phone line. Learn more about how SIP trunking can transform your business communications on our Resource Center.

One SIP trunk is all your business needs to run all of your communications. Once your trunk is set up, you can scale up or down concurrent call capacity by adding or removing usage channels, or choose pay-per-minute billing for unlimited concurrent inbound call capacity.

SIP trunking is cheaper than traditional business phone systems. We offer pay-as-you-go pricing with automatic volume discounts as you scale. Find out more with an in-depth breakdown of our pricing, or talk to an expert to get a custom quote.

SIP Trunking has a huge range of benefits over traditional business telephony systems, including scalability, cost savings and configurability. Find out more about what SIP trunking can do for you on our Resource Center.

Getting set up couldn't be easier. Just sign up for an account, then follow one of our Bring Your Own Carrier guides to integrate with your PBX or softphone client.

You can configure, monitor and manage your SIP trunks through the Telnyx Mission Control Portal. For large-scale or automated configuration, you can also leverage the Telnyx API to configure your communications programmatically.