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MGCP

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2004
- MGCP. 㳿 . 2004. 8 .
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MGCP, 璺 .
______2004 . ____. : - MGCP. 璺 MGCP.

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IPtel 璺 MGCP.
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MGCP, IETF, G. G , . 1.2:
Media Gateway (MG), , , , I ( R/UDP/I, );
Call Agent, ;
Signaling Gateway (SG), , , .
, , ' . STP - 7. . . . , . , G . MGCP UDP.

. 1.2 MGCP.
7 ( ) , , . I- Q-931 .
³, G , . , - , , Call Agent.
. , , , .
ϳ, IETF, I-, .
, 璺, MGCP , . .
1. MGCP.





EndpointConfiguration
EPCF
CA >MG


CreateConnection
CRCX
CA >MG


ModifyConnection
MDCX
CA >MG


DeleteConnection
DLCX
CA -MG


NotificationRequest
RQNT
CA >MG
䳿

Notify
NTFY
MG > CA
NotificationRequest

AuditEndpoint
AUEP
CA >MG


AuditConnection
AUCX
MGC > MG


ReStartInProgress
RSIP
MG > MGC
, ,


1.2 G 7 .323.
1. - SG1 ' ( I) . 1.14 SG1 TGW1. SG1 I , , e .323.
2. TGW1 ( ). CreateConnection. TGW1 ( recvonly).
3. TGW1 '.
4. TGW1, gatekeeper .323 ARQ alias .
5. RQ gatekeeper F .
6. ' SETUP gatekeeper, FastStart. Gatekeeper SETUP .
7. Q.
8. Q gatekeeper F.
9. ALERTING, gatekeeper . , , .
10. ALERTING , -.
11. ϳ , CONNECT.
12. TGW1 recvonly .
13. TGW1 '.

. 1.2 璺 MGCP.
14. N -, ', , , , RTP/UDP/I, RTP- , , RTP- , . RTCP RTP .
15. ϳ '. , ', , RELEASE COMPLETE, .
16. - '.
17. , DL.
18. ' ' .
19. ϳ gatekeeper c. ' gatekeeper RAS ' DRQ, gatekeeper DCF.
20. ³ - ' RLC, ' .
, 䳿 SIP G .
ճ .
IPtel MGCP.
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