AI Agent Book · Phone Agent add-on

A voice agent that calls you in the browser

No phone number or PSTN account is needed. You explicitly join this local WebRTC session and can hang up at any time.

ReAct plan Direct parameters

Natural-language task

Provider credentials stay on the local server. The browser receives only the SDP answer; no credential is embedded in this page.

Statusidle

Call ID—

TransportWebRTC · not connected

Audio transcript captions

Speak into the microphone, then choose “Finish speaking.” User meaning comes only from server ASR over the microphone RTP track. The data channel carries this control event and accessibility captions; it never supplies the canonical user transcript.

Session evidence

Start a call to see the negotiated local aiortc transport record.