<-- SIP read from 192.168.0.206:5060: INVITE sip:8001@sgb.customers.realitycom.co.uk:5060 SIP/2.0 Via: SIP/2.0/UDP 192.168.0.206:5060;rport;branch=z9hG4bK2032787745 From: "Brian" ;tag=1245024222 To: Call-ID: 139301527@192.168.0.206 CSeq: 1001 INVITE Contact: Proxy-Authorization: Digest username="206", realm="openpbx.org", nonce="6e54628f", uri="sip:8001@sgb.customers.realitycom.co.uk:5060", response="46def5fd8d8b817ef4f403744acd7339", algorithm=MD5 max-forwards: 70 user-agent: UTSTARCOM F3000/Device ID-F3000_TEST Content-Type: application/sdp Content-Length: 208 v=0 o=206 123456 654323 IN IP4 192.168.0.206 s=none c=IN IP4 t=0 0 m=audio 0 RTP/AVP 0 8 101 a=ptime:20 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 --- (12 headers 11 lines)--- Using INVITE request as basis request - 139301527@192.168.0.206 Sending to 192.168.0.206 : 5060 (NAT) Found user '206' Sep 5 11:10:06 WARNING[1172663216]: chan_sip.c:4185 process_sdp: Invalid host in c= line, 'IN IP4 ' Transmitting (NAT) to 192.168.0.206:5060: SIP/2.0 488 Not acceptable here Via: SIP/2.0/UDP 192.168.0.206:5060;branch=z9hG4bK2032787745;received=192.168.0.206;rport=5060 From: "Brian" ;tag=1245024222 To: ;tag=as66c2deff Call-ID: 139301527@192.168.0.206 CSeq: 1001 INVITE User-Agent: OpenPBX Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Max-Forwards: 70 Contact: Content-Length: 0