MRCP (protocol for PBX's to communicate with ASR and TTS engines)

  •  OpenMRCP (by Cepstral) - works with  FreeSwitch
  •  SpeechForge
    • Cairo - enterprise grade, Media Resource Control Protocol Version 2 (MRCPv2) compliant speech server
    • MRCP4J - Java API that encapsulates the MRCPv2 protocol

Open Source PBX's

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