available (only link-by-link method available) (0x0000)
.... .... .... ...0 = Interworking indicator: no interworking
encountered (No.7 signalling all the way)
.... .... .... ..0. = End-to-end information indicator: no end-to-end
information available
.... .... .... .1.. = ISDN user part indicator: ISDN user part used all
the way
.... .... .... 0... = Holding indicator: holding not requested
.... .... ...0 .... = ISDN access indicator: terminating access non-ISDN
.... .... ..1. .... = Echo Control Device Indicator: Echo control device
included
.... .... 00.. .... = SCCP method indicator: No indication (0x0000)
No optional parameter present (Pointer: 0)
Figure 3-13 SIP 200 OK (INVITE)
200 OK (INVITE)
Session Initiation Protocol
Status line: SIP/2.0 200 OK
Status-Code: 200
Message Header
t: <sip:2208000@10.11.3.25;transport=sctp;user=phone>;tag=0-04-012-40007
-17b7
f: <sip:+18152207000@10.11.3.1;transport=sctp;user=phone>;tag=0-01-012-
0000f-17b5
i: 00003047-00020039-0002307b@LABM0
CSeq: 1 INVITE
v: SIP/2.0/SCTP 10.11.3.1:1;branch=z9hG4bK012001d.00000001
m: <10.11.3.25:1>
MIME-Version: 1.0
c: application/ISUP; version=ansi00
Content-Disposition: signal; handling=required
Allow: INVITE, ACK, BYE, CANCEL, UPDATE, INFO, OPTIONS
l: 2
ISDN User Part
Message type: ANS : Answer message (9)
No optional parameter present (Pointer: 0)
Figure 3-14 SIP BYE
BYE
Session Initiation Protocol
Request line: BYE sip:2208000@10.11.3.25;transport=sctp;user=phone SIP/2.0
Method: BYE
Message Header
t: <sip:2208000@10.11.3.25;transport=sctp;user=phone>;tag=0-04-012-40007
-17b7
f: <sip:+18152207000@10.11.3.1;transport=sctp;user=phone>;tag=0-01-012-
0000f-17b5
i: 00003047-00020039-0002307b@LABM0
CSeq: 3 BYE
v: SIP/2.0/SCTP 10.11.3.1:1;branch=z9hG4bK012001d.00000003
Max-Forwards: 20
MIME-Version: 1.0
SIP Message Examples
Call Flow
....................................................................................................................................................................................................................................
235-200-118
Issue 3.02B, March 2007
Lucent Technologies
3-47
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