OPTIONS sip:nobody@10.4.48.200:5060 SIP/2.0
Via: SIP/2.0/UDP 10.0.0.130:XXloPortXX;branch=z9hG4bK.0010ce2c;rport;alias
From: sip:sipsakUDP@10.0.0.130:XXloPortXX;tag=3c7a11cf
To: sip:nobody@10.2.2.202:5060
Call-ID: 1014632911@10.0.0.130
CSeq: 1 OPTIONS
Contact: sip:sipsak@10.0.0.130:XXloPortXX
Content-Length: 0
Max-Forwards: 70
User-Agent: sipsak 0.9.6
Accept: text/plain


