sip header example (sip 헤더 예제)

INVITE sip:bob@test.com SIP/2.0
Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, REFER, NOTIFY, PRACK, SUBSCRIBE start-line
Allow-Events: refer
Call-ID: 5ce1234b@192.168.0.1
Contact:
Content-Length:179
Content-Type:application/sdp
CSeq: 1 INVITE
Expires: 60
Max-Forwards:70
Supported: 100rel
To:
Via:SIP/2.0/UDP 192.168.0.1:5060;branch=z9hG4bKB2340923 message header


v=0
o=-111111111111111113 IN IP4 192.168.0.1
s=-
t=0 0
m=audio 20020 RTP/AVP 4 9 0
a=rtpmap:4 G723/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000