SIP/2.0 200 OK Via: SIP/2.0/UDP 192.168.32.1:5060;rport=5060;received=192.168.32.1;branch=z9hG4bK22e87df5 From: "3063" ;tag=as7a3db102 To: ;tag=0457ea4e Call-ID: 56e79bf513b8244b5cbda2e90cdded1a@vutbr.cz Contact: CSeq: 102 INVITE Allow: INVITE,CANCEL,ACK,BYE,NOTIFY,REFER,OPTIONS,INFO,MESSAGE Supported: replaces Content-Type: application/sdp Content-Length: 246 v=0 o=CMI-SIPUA 63535 0 IN IP4 192.168.32.13 s=SIP CALL c=IN IP4 192.168.32.13 t=0 0 m=audio 20000 RTP/AVP 0 101 a=rtpmap:0 PCMU/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 a=rtcp:20001 a=silenceSupp:off - - - - a=sendrecv