Release notes

  • 31, Oct 2025

    Telnyx Text-to-Speech (TTS) is now available as a standalone service

    We’ve expanded our Text-to-Speech capabilities to make the Telnyx TTS available as a standalone service, so you can generate lifelike speech in real time, independent of any telephony workflow. This...

  • 31, Oct 2025

    Introducing Wireless Blocklists

    Telnyx has launched Wireless Blocklists, giving you precise control over where your SIMs connect, by country or by carrier.

  • 29, Oct 2025

    Queue callback functionality is now available

    We’ve added queue callback support to the Telnyx voice stack to give our customers a better way to manage call queues and reduce hold times.

  • 29, Oct 2025

    Telnyx Deploys GPUs in Australia to Locally Power Voice AI Agents

    Telnyx has deployed GPUs in Sydney, enabling ultra-low-latency, onshore Voice AI Agents that deliver natural, human-like conversations for Australian businesses.

  • 28, Oct 2025

    Telnyx launches HD Voice in Australia

    Telnyx has launched HD Voice in Australia, introducing wideband audio for richer, more natural-sounding VoIP calls. Businesses can now deliver clearer conversations and a higher-quality calling...

  • 27, Oct 2025

    Appeal Rejected 10DLC Campaigns via API & Portal

    Telnyx now lets you appeal rejected 10DLC campaigns directly in Mission Control Portal or via API, helping you resolve compliance issues faster and get campaigns approved sooner.

  • 24, Oct 2025

    Enable Custom LLMs for Telnyx AI Assistants

    You can now connect Telnyx AI Assistants to any OpenAI-compatible API endpoint, including Bedrock, Azure OpenAI, or self-hosted inference servers. Bring your own LLM while keeping Telnyx’s real-time...

  • 24, Oct 2025

    Verify Phone Numbers Behind IVRs via DTMF Extension

    Telnyx Verify and Verified Numbers now support DTMF extensions, enabling verification of phone numbers behind IVR systems. Automatically navigate IVR menus to complete verification calls without...

  • 22, Oct 2025

    Target mobile subscribers only with Messaging Profile API update

    Streamline your SMS campaigns and cut costs by automatically targeting only mobile recipients, eliminating wasted messages on undeliverable landlines.

  • 20, Oct 2025

    Check RCS Device & Carrier Capabilities

    Quickly verify if a number supports RCS before sending. Telnyx’s new RCS Capabilities Check API helps you route messages smarter, reduce fallbacks, and improve delivery success.

  • 20, Oct 2025

    Self-Serve Custom Templates for Telnyx Verify

    Create and register your own verification message templates directly in Verify for faster, more flexible deployments.

  • 17, Oct 2025

    Real-time Verify status updates via webhooks

    Telnyx now supports real-time webhooks, giving your application instant updates on verification statuses without the need for polling.

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