• Release Date: April 20, 2024

• Add support for google v2 STT api
• Add support for additional TTS vendors: PlayHT, RimeLabs, and Deepgram
• Add support for streaming TTS (reduces latency) for Deepgram, ElevenLabs, Microsoft, PlayHT, RimeLabs, and Whisper
• Add support for bidirectional audio in listen verb
• Add new verb: dub to insert additional audio tracks into the conversation; see here for example usage.
• Add boostAudioSignal to config verb allowing the volume of a conversation to be increased or lowered.
• Add support for "filler" audio to the gather verb allowing brief audio to be played to a caller while the user application is processing a user utterance or dtmf collection, this can be useful in scenarios where an AI bot is expected to take a lengthy time to process a request
• Add coach mode to conferencing, allowing for instance a manager to "whisper" to an agent on a 3-way conference with a customer
• Add support for sending outbound OPTIONS pings to configured SIP trunks
• If Deepgram endpointing is enabled, default utterance_end_ms to 1000 if none specified by the application (per Deepgram recommendation)
• various improvements and enhancements to node-client-ws

• various fixes for Deepgram STT
• 714 bargein "sticky" only works twice
• 710 fix for actionHookDelay action
• 671 handling of siprec invite failure
• 666 transcribe on dial verb does not transcribe B leg by default
• fix for precaching of TTS
• check if sip gateway is in blacklist before sending outbound call

ALTER TABLE sip_gateways ADD COLUMN send_options_ping BOOLEAN NOT NULL DEFAULT 0
ALTER TABLE applications MODIFY COLUMN speech_synthesis_voice VARCHAR(256)
ALTER TABLE applications MODIFY COLUMN fallback_speech_synthesis_voice VARCHAR(256)

• Available now on jambonz.cloud
• devops scripts (packer, cloudformation, helm) available now for subscription customers

Questions? Contact us at support@jambonz.org