Huawei U-SYS MRS6100 Technical Manual page 34

Technical Manual
U-SYS MRS6100 Media Resource Server
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II. Response
All MGCP commands require responses. The response carries a return code which is
an integer, which can be within one of the following ranges:
100–199: indicates a provisional response.
200–299: indicates a successful completion of the command.
400–499: indicates that a transient error occurs.
500–599: indicates that a permanent error occurs.
Whether to return response parameters depends on specific commands.
Table 5-5 gives response codes that have been defined.
Command
Code
name
CreateConnecti
CRCX
on
ModifyConnecti
MDCX
on
DeleteConnecti
DLCX
on
NotificationReq
RQNT
uest
Notify NTFY
AuditEndpoints AUEP
AuditConnectio
AUCX
n
RestartInProgre
RSIP
ss
Huawei Technologies Proprietary
Description
From MGC to MRS, used by the call agent to
associate an endpoint with a specified IP
address and UDP port. Apart from that, a
CreateConnection command is also sent to
the remote endpoint, which is required to
create the connection between the two
endpoints.
From MGC to MRS, used to modify
parameters of established connections.
From MGC to MRS and MRS to MGC, used
to delete an existing connection.
Used to instruct the gateway to monitor
specific events on a specified endpoint. If it
happens, the call agent will be notified.
From MRS to MGC, used by the gateway to
notify the call agent that a specific event
requested to monitor takes place.
From MGC to MRS, used by the call agent to
audit the status of an endpoint or a group of
endpoints.
From MGC to MRS, used by the call agent to
audit the status of a connection on an
endpoint.
From MRS to MGC, used by the gateway to
notify the call agent that the gateway, or a
group of endpoints managed by the gateway,
is out of service or in service.
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Chapter 5 MGCP and SIP