SIP/2.0 200 OK
Via: SIP/2.0/UDP nm;rport=26810;received=224.3.57.251;branch=foo
Call-ID: 50000
From: <sip:nm@nm>;tag=root
To: <sip:nm2@nm2>;tag=foo
CSeq: 42 OPTIONS
Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS
Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain
Supported: replaces, 100rel, norefersub
Allow-Events: presence, message-summary, refer
User-Agent: H660
Content-Type: application/sdp
Content-Length: 324
v=0
o=- 2216395826 2216395826 IN IP4 195.238.167.214
s=pjmedia
c=IN IP4 195.238.167.214
t=0 0
m=audio 60000 RTP/AVP 8 0 103 18
a=rtcp:60001 IN IP4 195.238.167.214
a=rtpmap:8 PCMA/8000
a=ptime:20
a=rtpmap:0 PCMU/8000
a=ptime:20
a=rtpmap:103 G726-32/8000
a=ptime:20
a=rtpmap:18 G729/8000
a=ptime:20
a=sendrecv