v=0 o=- 1384341831 496053 IN IP4 192.168.0.250 s=- c=IN IP4 192.168.0.250 t=0 0 m=audio 10022 RTP/AVP 18 0 8 101 a=ptime:20 a=rtpmap:18 G729/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 [11/13 19:25:11.269467]SIP:send[192.168.0.250:5060] rc=804 msg=INVITE sip:170003@125.46.20.186 SIP/2.0 Via: SIP/2.0/UDP 192.168.0.250:5060;branch=z9hG4bK-1062731526138434181711768 To: ;frte=FXO;local=303a;rte=FXS From: ;tag=138434181711767-1;id=7;trunk=206000 Call-ID: 13843418171100394473-0@Officium10 CSeq: 201080 INVITE Max-Forwards: 70 Expires: 60000 Contact: Allow: INVITE,ACK,CANCEL,BYE,OPTIONS,INFO,REFER,PRACK,UPDATE User-Agent: NewRockTech-OM10-v2.1.5.75.19/UA 2.0 Content-Type: application/sdp Content-Length: 250