req2.sip

一个SIP协议栈

INVITE sip:[e-mail] SIP/2.0
Via: SIP/2.0/UDP csvax.cs.caltech.edu;branch=8348;maddr=239.128.16.254;ttl=16
Via: SIP/2.0/UDP north.east.isi.edu
From: Mark Handley <sip:[e-mail]>
To: Eve Schooler <sip:[e-mail]>
Call-ID: [e-mail]
CSeq: 1 INVITE
Subject: SIP will be discussed, too
Content-Type: application/sdp
Content-Length: 188

v=0
o=user1 53655765 2353687637 IN IP4 128.3.4.5
s=Mbone Audio
i=Discussion of Mbone Engineering Issues
e=[e-mail]
c=IN IP4 224.2.0.1/127
t=0 0
m=audio 3456 RTP/AVP 0