• Release Date: Jan 21, 205

• support for TTS streaming, enables streaming of text tokens from LLMs directly to TTS engines. Currently, Deepgram, Elevenlabs, Cartesia, and Rimelabs are supported as TTS engines.
• support for Deepgram Voice Agent speech-to-speech service (see example app).
• support for Ultravox.ai speech-to-speech service (see example app).
• support for Cartesia as TTS engine
• updated Speechmatics support with additional options
• major improvements in feature server performance, particularly with bidirectional audio, TTS and dub audio inserts
• support for Google speech cloning
• support for Deepgram filler words in STT
• added the ability to create a bidirectional stream on the B leg of a dialed call
• added new speech api to allow developers to implement custom tts streaming solution
• support for handling incoming 3pcc invites (no body) from carriers
• support SIP privacy header
• added ability to send refer custom header to referhook
• added ability to specify the Refer-To display name
• added support for dub verb as a live call control request
• added abjility to export to more than one otel platform
• sending socket close code when there is no response from the websocket app
• rest:dial support timeLimit
• sending reason in X-Reason header when AHD processor giveup
• support kill dial if sd ep is media timeout
• capture system_alert when feature-server is online or offline
• enable dtmf recognition of audible tones for carriers that do not support RFC 2833
• support recents call dropdown filter to have yesterday option
• add ability to filter easily by account in portal when viewing large numbers of accounts

• update drachtio-srf and fsmrf to main branch releases
• fix inband dtmf does not work in dial verb
• fix for sticky bargein
• Make voicemail hints case insensitive
• fix ConfirmCallSession cannot be played
• fix incorrectly sending final transcript with is_final=false
• fix cannot replace endpoint for adulting session
• A play verb in an actionhookdelay property that contains an invalid url will cause that play to block and subsequent verbs will not be executed
• fixed iamrole from sessionToken to securityToken
• fix to allow hints objects array
• fix for stopping continuos asr when asrDtmfTerminationDigit is configured
• custom stt vendor ws connection should not be closed in asrTimeout
• feature server should send USER call to the sbc sip that is connect with the user (#949)
• fixed dial verb should use calling id from From header (#958)
• rest api: added support for name query parameter for retrieving application
• per RFC 3261 the request-uri of REGISTER must not have userinfo
• Change timer for next REGISTER expires / 2 to avoid delayed registrations

ALTER TABLE google_custom_voices ADD COLUMN voice_cloning_key MEDIUMTEXT;
ALTER TABLE google_custom_voices ADD COLUMN use_voice_cloning_key BOOLEAN DEFAULT false;
ALTER TABLE voip_carriers ADD COLUMN dtmf_type ENUM('rfc2833','tones','info') NOT NULL DEFAULT 'rfc2833';

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