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Telnyx Voice Overview


Welcome to the Telnyx Voice Developer Documentation! Our Voice products offer global connectivity and redundancy to ensure your communications are reliable and scalable. At Telnyx, we empower developers with API-driven control, allowing you to easily integrate voice capabilities into your applications and services. With our global, private network and innovative technology, you can deliver high-quality voice experiences to users around the world, all while maintaining complete control over your telecommunications infrastructure. Explore our documentation to start building with Telnyx today.

SIP Trunking

SIP trunking allows businesses to operate a phone system over the internet instead of over physical copper lines and on-premise solutions. Telnyx SIP Trunking allows businesses to be flexible in how they manage their telephony and provides enhanced voice quality over the PSTN.

Get started with SIP Trunking ->

Programmable Voice

Get started with programmable voice in multiple ways tailored to suit your needs.

Voice API

Our Voice API offers powerful and flexible features for building complex voice applications with ease.

Get started with Voice API ->


For those looking to switch their programmable voice solutions from another provider, TeXML is your go-to. TeXML is also the easiest way to get started with programmable voice, allowing you to define call flows with straightforward XML commands.

Get started with TeXML ->


For developers interested in integrating real-time communications directly into web and mobile applications, our WebRTC solution provides browser-based voice capabilities without the need for traditional telephony infrastructure.

Get started with WebRTC ->

Outbound Voice Profiles

A Telnyx outbound voice profile is a component that allows users to configure outbound calls, including traffic destinations and billing. Users can manage service plans, billing methods, and traffic types for your outbound voice traffic.

See our API reference ->

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