Twilio ConversationRelay

Voice AI for customer calls, with Twilio handling speech-to-text and text-to-speech over a WebSocket API and your choice of LLM.

Infrastructure by Twilio

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ConversationRelay combines speech-to-text and text-to-speech with the AI of the customer's choice, orchestrated through a WebSocket API. The product page states a median latency under 0.5 seconds and that calls can be transferred to a live agent for complex issues.

Use cases: voice-agents, customer-support

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Fact sheet

Category: Voice · telephony
Protocols: websockettwilio.com

Facts read from the vendor's own pages by claude-haiku-5-5 on Oct 24, 2026; a fact is shown only with the page it came from.

Details

License: License unknown
Website: www.twilio.com/en-us/products/conversational-ai/conversationrelay
Docs: www.twilio.com/docs/voice/conversationrelay
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: Website Docs Pricing page

Cite this page

Twilio ConversationRelay. Agent Mart. https://agentmart.dev/infrastructure/twilio-conversationrelay (last updated 2026-10-24)