The Speak and Use layers led the week, with 3 filings each.
One hear row for all STT provider ships in 1.4.4. Class-2: folded quiet patch(es) 1.4.3 into this row.
livekit-agents 1.4.4 adds Telnyx STT, AssemblyAI u3-rt-pro with mid-session updates, and ElevenLabs STT keyterms plus usage events.
livekit-agents 1.4.4
U3 Pro turn detection and private Azure STT unblock regulated and Contact-Centre deployments.
pipecat-ai 0.0.104 adds AssemblyAI u3-rt-pro with built-in turn detection, Azure Speech private endpoints, and strongly typed runtime service settings objects.
pipecat-ai 0.0.104
Branded TTS inside Dynamics contact centre from 50 samples — limited-access / consent-gated, so not a open Foundry SKU like later MAI-Voice-1.
Also ConnectUse
Microsoft announced Custom Voice for Dynamics 365 Contact Center, letting verified customers clone branded neural voices from as few as 50 samples for virtual agents and intelligent IVR under its responsible AI limited-access controls.
Dynamics 365 Contact Center Custom Voice
TTS defaults and new TTS plugins in one speak row.
livekit-agents 1.4.4 upgrades the Cartesia TTS default to Sonic 3 and adds Telnyx TTS beside Gradium pronunciation ids.
livekit-agents 1.4.4
One aggregation and timestamp contract across providers reduces per-service TTS forks.
pipecat-ai 0.0.104 adds TextAggregationMode on TTSService, moves word timestamps into TTSService via supports_word_timestamps, and adds TextAggregationMetricsData.
pipecat-ai 0.0.104
LemonSlice joins HeyGen LiveAvatar as a Daily-room avatar transport option.
pipecat-ai 0.0.104 adds LemonSliceTransport and LemonSliceApi for realtime LemonSlice avatars in any Daily room.
pipecat-ai 0.0.104
Extends fal's voice-adjacent hosting beyond TTS/STT into show-layer talking avatars; pairs with the later Inworld TTS host note in W13.
Also Speak
fal made HeyGen's Video Agent, Avatar IV, Video Translate, and Avatar Video APIs available on its inference platform for talking avatars and multilingual lip-sync video.
HeyGen models on fal · vendor HeyGen
Realtime/LLM surface distinct from STT/TTS.
livekit-agents 1.4.4 supports OpenAI Responses websocket mode and adds gpt-realtime-1.5 to RealtimeModels, plus SambaNova LLM.
livekit-agents 1.4.4
Startup and turn latency become observable without custom observers in every bot.
pipecat-ai 0.0.104 adds StartupTimingObserver, TurnMetricsData, and UserBotLatencyObserver events for per-service TTFB and first-bot-speech latency.
pipecat-ai 0.0.104
Carrier/enterprise CCaaS stack from Huawei adds agentic closed-loop voice with a claimed 20% self-service lift — MOS >4.5 and resolution gains are Huawei-stated only.
Also ThinkUse
Huawei announced next-generation voice virtual agents for its Artificial Intelligence Contact Center at MWC Barcelona, pairing domain-tuned LLMs with a Conversational Agent Engine and no-code SOP orchestration for carrier and enterprise contact centres.
AICC Voice Virtual Agents
Back-office payer telephony via an SI/BPO channel — SuperDial voice agents land inside Omega’s agentic RCM stack rather than only direct provider sales.
Also Connect
SuperDial and Omega Healthcare formed a commercial partnership so Omega’s agentic platform can run SuperDial voice AI agents on outbound payer calls for benefits verification, prior auth, claim follow-up, and credentialing outreach.
Voice AI × Omega Healthcare · delivered by Omega Healthcare
Referral orchestration vendor adding concurrent payer/patient voice calls inside the same order workflow — voice as RCM/front-office plumbing, not a greenfield CC agent.
Also Connect
Tennr launched an embedded phone-calling feature so specialty front offices can run concurrent voice AI calls for payer benefits checks, documentation follow-up, patient welcome, and order confirmation without leaving the referral platform.
Phone Calling (voice AI)
Carrier-grade in-network voice agents (no app) with live translation — Germany GA is still "later this year" as of 2 March, so treat as MWC unveil not fleet-wide ship.
Also ConnectThink
Deutsche Telekom and ElevenLabs unveiled Magenta AI Call Assistant at MWC Barcelona: network-embedded voice AI for live translation, in-call agentic help, and post-call summaries on any phone, without a separate app.
Magenta AI Call Assistant · vendor ElevenLabs