Huawei U-SYS MRS6100 - Page 89

Technical Manual
U-SYS MRS6100 Media Resource Server
Chapter 5 MGCP and SIP
Huawei Technologies Proprietary
5-64
Contact:
<sip:annc.BAU.pa%28an%3dfile%3a//welcome2%20it%3d2%20iv%3d20%29@182.
20.60.1:5061;transport=udp>
Content-Length: 0
Event 4: AS sends a CANCEL message to MRS6100 to cancel the current session.
CANCEL
sip:annc.BAU.pa%28an%3dfile%3a//welcome2%20it%3d2%20iv%3d20%29@182.2
0.60.1 SIP/2.0
Via: SIP/2.0/UDP 182.20.62.2:5060
From: <sip:1@182.20.62.2>;tag=5220000
To:<sip:annc.BAU.pa%28an%3dfile%3a//welcome2%20it%3d2%20iv%3d20%29@1
82.20.60.1>
Call-ID: 2000@182.20.62.2
CSeq: 10 CANCEL
Content-Length: 0
User-Agent: MRS6100 DP
Event 5: MRS6100 returns the CANCEL response.
SIP/2.0 200 OK
From: <sip:1@182.20.62.2>;tag=5220000
To:<sip:annc.BAU.pa%28an%3dfile%3a//welcome2%20it%3d2%20iv%3d20%29@1
82.20.60.1>
CSeq: 10 CANCEL
Call-ID: 2000@182.20.62.2
Via: SIP/2.0/UDP 182.20.62.2:5060
Content-Length: 0
Event 6: MRS6100 returns the final response to the INVITE request.
SIP/2.0 487 Request Terminated
From: <sip:1@182.20.62.2>;tag=5220000
To:<sip:annc.BAU.pa%28an%3dfile%3a//welcome2%20it%3d2%20iv%3d20%29@1
82.20.60.1>;tag=68a574c9
CSeq: 10 INVITE
Call-ID: 2000@182.20.62.2
Via: SIP/2.0/UDP 182.20.62.2:5060
Content-Length: 0