Cisco CP-7911G-CH1 System Administrator Manual page 65

Setting Up the Network
When an MGCP-controlled PRI goes into SRST mode, do not make or save configuration changes to the
Note
NVRAM on the router. If configuration changes are made and saved in SRST mode, the
MGCP-controlled PRI fails when normal MGCP operation is restored.
Configuring Cisco Unified SRST on an MGCP Gateway Prior to Cisco IOS Release 12.3(14)T
Perform this task to enable SRST on a MGCP Gateway if you are using a software release prior to
Cisco IOS Release 12.3(14)T.
SUMMARY STEPS
1.
2.
3.
4.
5.
DETAILED STEPS
Command or Action
Step 1
enable
Example:
Router> enable
Step 2
configure terminal
Example:
Router# configure terminal
Step 3
ccm-manager fallback-mgcp
Example:
Router(config)# ccm-manager fallback-mgcp
OL-13143-04
enable
configure terminal
ccm-manager fallback-mgcp
call application alternate [application-name] 
or 
service [alternate | default] service-name location
exit
Purpose
Enables privileged EXEC mode.
• Enter your password when prompted.
Enters global configuration mode.
Enables the gateway fallback feature and allows an MGCP
voice gateway to provide call processing services through
SRST or other configured applications when
Cisco Unified Communications Manager is unavailable.
Cisco Unified SCCP and SIP SRST System Administrator Guide
How to Set Up the Network
65