5060 4900 media 1 50 600 1 20 PCMU PCMA L16/96/8000 telephone-event/101/8000 2 5000 1000 SIP-Agent-1 MRCPv2-Agent-1 Media-Engine-1 RTP-Factory-1 Nuance-SIP-Settings Nuance-RTP-Settings RTSP-Agent-1 Media-Engine-1 RTP-Factory-1 Nuance-RTSP-Settings Nuance-RTP-Settings