MESSAGE sip:01756843@sms.iptel.org SIP/2.0
Via: SIP/2.0/UDP fesarius.fokus.gmd.de:5000
From: "bogdan" <sip:bogdan@iptel.org>;tag=0e99b1e7-ff50-4875-94ef-4ca5c27e2705
To: sip:cucu@sms.iptel.org;cucu=bau;tag=xyz
Call-ID: 02b1191c-447e-4bd0-b771-c039fc0d9d84@195.37.78.169
CSeq: 7 MESSAGE
Contact: <sip:195.37.78.169:11457>
User-Agent: Windows RTC/1.0
Content-Type: text/plain
Content-Length: 4