Use your compatible SIP-over-WSS/WebRTC PBX, certificates, carrier connectivity, numbers, and trunks. Administrators provision individual Agent phone assignments in Settings; Agents connect the assigned phone without editing SIP credentials.
Allow microphone access and test registration, audio devices, calls, hold, DTMF, and transfers. Transfer completion requires terminal confirmation; a REFER request alone is not proof.
The Server installer handles telephony connectivity automatically, allowing you to connect either an existing PBX or use built-in SIP routing. Production telephony publication remains blocked pending qualification.
Read /docs/CONFIGURATION.md and the PBX preview guide before evaluating native SIP or managed PBX paths.