Specifications

Establishing a MGCP Session Reference Manual (MGCP/NCS Version)
Mediatrix 4100
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MGCP Commands
The following commands are supported.
MGCP Responses
All MGCP commands are acknowledged. The acknowledgment carries a return code, which indicates the
status of the command. The return code is an integer number, for which four ranges of values have been
defined:
 values between 200 and 299 indicate a successful completion
 values between 400 and 499 indicate a transient error
 values between 500 and 599 indicate a permanent error
Table 48: MGCP Commands
Command Description
Commands Sent by the Call Agent
AUCX – Audit Connection Can be used by the Call Agent to retrieve the parameters attached to a
connection.
AUEP – Audit Endpoint Can be used by the Call Agent to find out the status of a given endpoint.
CRCX – Create Connection Used to create a connection between two endpoints.
MDCX – Modify Connection Used to modify the characteristics of a gateway’s “view” of a connection.
This “view” of the call includes both the local connection descriptors as
well as the remote connection descriptor.
DLCX – Delete Connection Used to terminate a connection. As a side effect, it collects statistics on
the execution of the connection.
RQNT – Request Notification Used to request the gateway to send notifications upon the occurrence of
specified events in an endpoint.
Commands Sent by the Gateway
NTFY –Notify Sent when the observed events occur.
RSIP – Restart In Progress
•forced
• disconnect
Notifies the Call Agent that the gateway, or a group of endpoints
managed by the gateway, is being taken out of service or is being placed
back in service.