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Cisco VISM Installation and Configuration Guide
Release 3.0, Part Number OL-2521-01 Rev. D0, June 2004
Chapter4 Configuring VISM Features
Configuring Additional VISM Features
Additional Support for MGCP 1.0
This release expands the support for the Media Gateway Control Protocol (M GCP) 1. 0, w hic h was
introduced in VISM 2.2. The following are implemented for the M G CP 1.0 f eat ure supp ort:
•Restart in Progress command disconnect procedure wait delay timer value specification for the
following:
–
Initial
–
Minimum
–
Maximum
•Call agent redundancy group protocol configuration for the foll owing:
–
Quarantine handling method for persistent events
–
Default quarantine handling method for each protocol
–
Ability to keep events from previous lists, until explicitly requested to be removed
–
Ability to send provisional responses
–
Ability to send response acknowledgments
–
Ability to provide a disconnect method
–
Ability to cancel previously issued graceful restart commands
Use the CLI commands in Tabl e 4-9 to configure the MGCP 1.0 feature.
RSVP-Based Admission Control
Resource Reservation Protocol (RSVP)-based admission control signaling with MG CP is sup port ed,
which allows for quality VoIP connections. For the connections, the RSVP-MGCP interaction results in
the following:
•Establish or originate unidirectional resource reservation for sending voice packets for co nnections
established and controlled by MGCP.
•Accept unidirectional resource reservations for receiving voice packets from MGCP controlled
connections.
Table4-9 MGCP 1.0 Feature CLI Commands
Command Description
addmgcgrpprotocol Associates a call agent redundancy group to a gateway control protoco l.
cnfdisctimers Specifies the wait delay times for the disconnected procedure, restart in
progress command—initial, minimum, and maximum timer values.
cnfmgcgrpprotocol Configures call agent group protocol data.
cnfxgcppeer Configures the UDP port number used to send gateway-initiated messages to
the call agent.
delmgcgrpprotocol Deletes an MGCP from a specified call agent redundan cy group .
dspdisctimers Displays the Restart in Progress command disconnect type method wait
delay times.