REGISTER sip:iptel.org:5060 SIP/2.0
Via: SIP/2.0/UDP 195.37.77.181:9
From: "Jan Janak" <sip:blb@iptel.org>
To: "Jan_Janak" <sip:blb@iptel.org>
Call-ID: aa@195.37.78.208
User-Agent: snom100_1.9b
CSeq: 2 REGISTER
Expires: 0
Contact: <sip:janakj@sdfd.df>;expires=2
Content-Length: 0