test/bc2.sip
f292602b
 BYE sip:211111948@195.37.77.101;transport=tcp;r2=on;ftag=e495220a31344eb39a6bf44ee3b01303;lr=on SIP/2.0
 Max-Forwards: 10
 Via: SIP/2.0/UDP 192.246.69.223;branch=z9hG4bK1ac2.64b19ee4.0
 From: <sip:xxx@iptel.org>;tag=as38468f70
 To: "christian@iptel.org" <sip:christian@iptel.org>;tag=e495220a31344eb39a6bf44ee3b01303;epid=f15c896fef
 Contact: <sip:404@65.39.205.112:5028>
 Call-ID: axxxxxef5cec10dd5f4dca871b764cb83ee73c@192.168.1.100
 CSeq: 102 BYE
 Content-Length: 0