INVITE sip:123456:pass@10.10.207.20 SIP/2.0
From: sip:sipsak@10.10.210.71:5060;tag=004E9AB2-9285-140A-90E4-0A808310AA77-9336430
To: <sip:123456:pass@10.10.207.20:5060>
Call-ID: 004E9A80-9285-140A-90E4-0A808310AA77-9071702@10.10.210.71
CSeq: 1 INVITE
Content-Length: 205
Content-Type: application/sdp
Via: SIP/2.0/UDP 10.10.210.71;branch=z9hG4bK004E9AC6-9285-140A-90E4-0A808310AA77-2297681
Contact: <sip:sipsak@10.10.210.71>
Allow: ACK, BYE, CANCEL, INFO, INVITE, MESSAGE, NOTIFY, OPTIONS, PRACK, REFER, UPDATE
Max-Forwards: 67
Session-Expires: 900;refresher=uac
Min-SE: 90
Supported: uui,100rel,timer