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Velocity6.3

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Twilio's voice AI stops cutting callers off mid-sentence, using its own turn-taking model.

voice-aimessagingcaller trustemail deliverabilitycompliance
◆Current state
Twilio shipped a dense batch on November 11 to 13. Smart Turn Detection for Conversation Relay is now generally available: an in-house model judges from meaning, not silence, when a caller has finished speaking. Alongside it come US Branded Calling across T-Mobile, Verizon and AT&T from one registration and Apple Business Invitations, both in private beta, plus Email Logs filters and search and more specific A2P 10DLC rejection codes from December 9.
◆Where it's heading
Two threads run in parallel: trust and identity at the carrier and channel level (branded calling, Apple invitations, 10DLC feedback, STIR/SHAKEN status) and a voice AI stack where Twilio now ships its own models instead of only relaying third-party ones. Email keeps getting operator tooling around deliverability.
◆Prediction
Expect more of Conversation Relay to move to Twilio-built models and settings, and the branded calling and Apple invitation betas to widen in the coming months, as earlier private betas here have.

◆Recent moves

  1. 1d ago

    Apple Business Invitations in Apple Messages for Business Private Beta

    Brands can start conversations in Apple Messages and capture opt-ins with invitation templates, then send service messages for up to a year. A private beta that needs Apple's approval, it widens Twilio's channel coverage beyond SMS and RCS.

  2. 1d ago

    General Availability: Smart Turn Detection for Conversation Relay

    ⚡ SPARK

    The headline of this batch: Twilio's voice AI layer now runs its own model for turn-taking instead of silence timers. It marks a shift from relaying other vendors' models to owning a piece of the conversation stack.

  3. 1d ago

    US Branded Calling covers all three major carriers (private beta)

    One brand registration now provisions caller branding on T-Mobile, Verizon and AT&T, in private beta. It extends the voice trust work that STIR/SHAKEN status in the Calls API started.

  4. 1d ago

    New error codes for A2P 10DLC campaign rejections

    From December 9, rejected US A2P 10DLC campaigns get specific error codes for descriptions, opt-in methods and policy pages. It cuts guesswork from a registration process that has long been a pain point for US messaging senders.

  5. 2d ago

    New filters and text search in Email Logs

    Email Logs gain filters by sender, sending IP, event and API key, plus word search on subjects and server responses, in the console and the API. It follows Email Insights GA and multi-IP purchase as more deliverability tooling for senders.

  6. 3d ago

    Twilio REST API cipher deadline notice lists February 18, 2027

    A second version of the cipher suite notice, published the same day, gives February 18, 2027 as the deadline instead of November 18, 2027. Customers should check which date applies; legacy ciphers stay accepted until then.