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
Allow: INVITE, ACK, BYE, CANCEL, UPDATE, INFO, OPTIONS
Require: precondition
l: 0
Figure 3-33 200 OK (INVITE)
200 OK (INVITE)
Session Initiation Protocol
Status line: SIP/2.0 200 OK
Status-Code: 200
Message Header
t: <sip:+17952425001@10.11.2.25;transport=sctp;user=phone>;tag=0-04-014-
40014-1443
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: <10.11.2.25:1>
Allow: INVITE, ACK, BYE, CANCEL, UPDATE, INFO, OPTIONS
l: 0
Figure 3-34 SIP ACK
ACK
Session Initiation Protocol
Request line: ACK sip:+17952425001@10.11.2.25;transport=sctp;user=phone SIP/
2.0
Method: ACK
Message Header
t: <sip:+17952425001@10.11.2.25;transport=sctp;user=phone>;tag=0-04-014-
40014-1443
f: <sip:+18152205000@10.11.2.9;transport=sctp;user=phone>;tag=0-02-014-
00014-1441
i: 110675ba-ee530082-e05d75ce@LABM1
CSeq: 1 ACK
v: SIP/2.0/SCTP 10.11.2.9:1;branch=z9hG4bK0140116.ebbe.00000001
Max-Forwards: 20
l: 0
Figure 3-35 SIP BYE
BYE
Session Initiation Protocol
Request line: BYE sip:+17952425001@10.11.2.25;transport=sctp;user=phone SIP/
2.0
Method: BYE
SIP without Encapsulated ISUP - SIP
Message Examples
Call Flow
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3-70
Lucent Technologies 235-200-118
Issue 3.02B, March 2007