--- title: Release Notes - voice-api - Telnyx canonical: https://telnyx.com/release-notes/tag/voice-api --- # Release Notes - voice-api - Telnyx # Release notes * **1, Oct 2026** ### Agent Memory API Now in Beta on Telnyx Telnyx Agent Memory (Beta) gives AI agents long-term memory through one API, with a profile per user, caller, or agent. [Read more](https://telnyx.com/release-notes/telnyx-agent-memory-api-beta) * **17, Sep 2026** ### Mobile phone numbers now available in India Telnyx now offers mobile phone numbers in four Indian telecom districts, giving businesses a local presence in India with two-way voice calling over the Telnyx private network. [Read more](https://telnyx.com/release-notes/india-mobile-numbers) * **26, Jun 2026** ### Number Reputation is now available on Telnyx Number Reputation lets you monitor the spam reputation of your outbound calling numbers across the major analytics networks US carriers use, and remediate flagged numbers before they hurt your answer... [Read more](https://telnyx.com/release-notes/number-reputation-now-available) * **26, Jun 2026** ### Branded Calling is now available on Telnyx Branded Calling displays your verified business name, logo, and call reason on the recipient's screen before they answer, so more of your outbound calls get recognized and answered. [Read more](https://telnyx.com/release-notes/branded-calling-now-available) * **18, May 2026** ### Speechmatics STT is now available for Voice API Speechmatics STT is now available in Mission Control, Voice API, and WebSocket transcription, with real-time interim results for live voice workflows. [Read more](https://telnyx.com/release-notes/speechmatics-stt-voice-api) * **18, May 2026** ### Premium Answering Machine Detection now detects iOS Call Screening Premium Answering Machine Detection (AMD) now detects iOS Call Screening, including iOS Live Voicemail, in real time during outbound calls. [Read more](https://telnyx.com/release-notes/premium-amd-ios-call-screening) * **30, Apr 2026** ### Multi-Participant Voice AI Calls Now Available for Telnyx AI Assistants Telnyx AI Assistants can now invite participants into a live call and manage turn-taking across multiple speakers. The assistant knows who is speaking, stays silent when people talk to each other,... [Read more](https://telnyx.com/release-notes/multi-participant-ai-voice-calls-ai-assistants) * **16, Oct 2025** ### Fine-tune Voice AI response timing with Start Speaking Plan Telnyx Voice AI agents now give you full control over response timing with the new Start Speaking Plan. Configure context-aware wait times for punctuation, pauses, or number sequences so your agent... [Read more](https://telnyx.com/release-notes/voice-ai-start-speaking-plan-release) * **8, Sep 2025** ### Enhanced real-time media streaming for AI integrations with new codec support We’ve made some solid upgrades to media streaming that give you more flexibility when working with real-time audio, especially when you’re connecting to AI platforms or anything that expects audio in... [Read more](https://telnyx.com/release-notes/media-streaming-codec-update) * **7, Jul 2025** ### Telnyx enables free HD Voice HD Voice is now included for free on all U.S. Telnyx numbers. This upgrade reflects our commitment to better audio for AI voice agents and real-time conversations across the network. [Read more](https://telnyx.com/release-notes/free-hd-voice) * **18, Mar 2025** ### Telnyx introduces Supervising Leg feature for Voice API Telnyx introduces the Supervising Leg feature for the Voice API, enabling users to seamlessly add supervisors to active calls without the complexity of call conferencing, enhancing reliability and... [Read more](https://telnyx.com/release-notes/voice-api-supervising-leg-feature) * **9, Dec 2022** ### Changes to prices for Answering Machine Detection services Starting December 16, 2022, prices for Answering Machine Detection services will change as follows. 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