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The UniMRCP project implements the MRCP protocol and is integrated in FreeSWITCH by mod_unimrcp.


What is MRCP?

MRCP is a protocol for PBX's to communicate with ASR and TTS engines. In version 1 of the MRCP spec, RTSP is used for session setup and RTP used for media streaming, whereas in version 2 of the MRCP spec, SIP is used instead of RTSP for session setup (RTP still used for media streaming).

Current Status

UniMRCP is currently stable. Version 1.0.0 was released in June 2010.

Supports both v1 and v2 of the MRCP protocol.

Using UniMRCP Server with Flite/Pocketsphinx

See the UniMRCP project documentation

Related Specifications