SIP without Encapsulated ISUP - SIP Message Examples
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This section includes example SIP messages to illustrate their format
and content. Ethernet, IP, and SCTP headers were removed to focus
on the SIP message and any SDP messages.
Figure 3-28 SIP INVITE {SDP}
INVITE
Session Initiation Protocol
Request line: INVITE sip:+17952425001@10.11.2.25;transport=sctp;user=phone
SIP/2.0
Method: INVITE
Message Header
t: <sip:+17952425001@10.11.2.25;transport=sctp;user=phone>
f: <sip:+18152205000@10.11.2.9;transport=sctp;user=phone>;tag=0-02-014-
00014-1441
i: 110675ba-ee530082-e05d75ce@LABM1
CSeq: 1 INVITE
v: SIP/2.0/SCTP 10.11.2.9:1;branch=z9hG4bK0140116.ebbe.00000001
m: <10.11.2.9:1>
Max-Forwards: 20
Accept: application/SDP, multipart/mixed
MIME-Version: 1.0
c: application/SDP
Allow: INVITE, ACK, BYE, CANCEL, UPDATE, INFO, OPTIONS
Require: precondition
l: 255
Session Description Protocol
Session Description Protocol Version (v): 0
Owner/Creator, Session Id (o):-00INIP4192.168.2.5
Owner Username: -
Session ID: 0
Session Version: 0
Owner Network Type: IN
Owner Address Type: IP4
Owner Address: 192.168.2.5
Session Name (s): 0
Connection Information (c): IN IP4 192.168.2.5
Connection Network Type: IN
Connection Address Type: IP4
Connection Address: 192.168.2.5
Time Description, active time (t): 0 0
Session Start Time: 0
Session Start Time: 0
Media Description, name and address (m): audio 50614 RTP/AVP 0
Media Type: audio
Media Port: 50614
Media Proto: RTP/AVP
Media Format: 0
Bandwidth Information (b): AS:64
Bandwidth Modifier: AS
Bandwidth Value: 64
Call Flow
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235-200-118
Issue 3.02B, March 2007
Lucent Technologies
3-65
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