"Reason: Q.850;cause=57"The only difference I see is with flash being advertised...v=0o=CiscoSystemsSIP-GW-UserAgent 7662 213 IN IP4 10.140.18.9s=SIP Callc=IN IP4 10.140.18.9t=0 0m=audio 23650 RTP/AVP 8 101 19c=IN IP4 10.140.18.9a=rtpmap:8 PCMA/8000a...