Carrier-Grade Voice with Twilio SIP Trunk

Connect AI voice agents to your existing telephony infrastructure through Twilio SIP Trunk. Intelligent call routing, real-time transcription, and seamless handoff to live agents.

A telephony architecture diagram showing inbound calls flowing through Twilio SIP Trunk to the Syllable platform, with AI agent handling and live agent handoff paths.

Voice AI on Enterprise Telephony

The Twilio SIP Trunk integration connects Syllable's AI voice agents to enterprise phone systems through Twilio's carrier-grade SIP infrastructure. Inbound calls are routed to AI agents that handle conversations in real time using speech-to-text, language models, and text-to-speech.

When agents need to escalate, calls transfer to live agents with full conversation context and transcripts preserved.

A call flow showing an inbound call hitting Twilio SIP Trunk, being handled by an AI agent with real-time STT/TTS, and optionally transferring to a live agent.

Voice Capabilities

Intelligent Call Routing

AI-powered routing that understands caller intent and directs calls to the right agent or department.

Real-Time Transcription

Live speech-to-text processing for natural voice conversations with AI agents.

Live Agent Handoff

Seamless transfer to human agents with full conversation context and transcript.

Multi-Language Support

Handle voice conversations in multiple languages with provider-agnostic STT and TTS.

Ready to Connect Voice Agents?

Carrier-grade voice AI through Twilio SIP Trunk on the trusted neutral platform.