U 2010/06/25 21:18:36.305687 220.224.129.21:5060 -> 87.106.166.145:5060 INVITE sip:66.234.138.73:5061 SIP/2.0. Via: SIP/2.0/UDP 220.224.129.21:5060;branch=z9hG4bKr2brk110e8chrf4t8281sbm9nrk51.1. Call-ID: 9218CCA3-7FCC11DF-9CBB9643-3FD0180@66.234.138.68. From: ;tag=97.56.30.751040+1+59860004+7384ebee. To: ;tag=2a0ab384adcef676090298048bc92643. CSeq: 920472907 INVITE. Expires: 180. Contact: . Min-SE: 600. Session-Expires: 600;refresher=uac. Supported: replaces, 100rel, timer. Allow: INVITE, BYE, REGISTER, ACK, OPTIONS, CANCEL, SUBSCRIBE, NOTIFY, PRACK, INFO, REFER, UPDATE. Max-Forwards: 69. Content-Type: application/sdp. Content-Length: 200. Route: . . v=0. o=- 3486485459 3486485459 IN IP4 220.224.129.21. s=-. c=IN IP4 220.224.129.21. t=0 0. m=audio 48252 RTP/AVP 0 13. a=ptime:20. a=rtpmap:0 PCMU/8000. a=rtpmap:13 CN/8000. a=silenceSupp:on - - - -.