Specifications

Setting Up Cisco Unified IP Phones
How to Set Up Cisco Unified IP Phones
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Cisco Unified Survivable Remote Site Telephony Version 4.0 System Administrator Guide
Examples
The following example sets “SRST V3.0” as the system display message for all Cisco Unified IP Phones
on a router:
call-manager-fallback
system message primary SRST V3.0
system message secondary SRST V3.0
exit
Configuring a Secondary Dial Tone
A secondary dial tone can be generated when a phone user dials a predefined PSTN access prefix and
can be terminated when additional digits are dialed. An example is when a secondary dial tone is heard
after the number 9 is dialed to reach an outside line.
SUMMARY STEPS
1. call-manager-fallback
2. secondary-dialtone digit-string
3. exit
DETAILED STEPS
Examples
The following example sets the number 8 to trigger a secondary dial tone:
call-manager-fallback
secondary-dialtone 8
Command or Action Purpose
Step 1
call-manager-fallback
Example:
Router(config)# call-manager-fallback
Enters call-manager-fallback configuration mode.
Step 2
secondary-dialtone digit-string
Example:
Router(config-cm-fallback)# secondary-dialtone
9
Activates a secondary dial tone when a digit string is dialed.
Step 3
exit
Example:
Router(config-cm-fallback)# exit
Exits call-manager-fallback configuration mode.