Specifications

Setting Up Call Handling
How to Set Up Call Handling for Incoming and Outgoing Calls
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Cisco Unified Survivable Remote Site Telephony Version 4.0 System Administrator Guide
Note This value setting is important when using variable-length dial-peer destination patterns (dial plans). For
more information on setting dial plans, see the “Configuration Dial Plans, Dial Peers, and Digit
Manipulation” chapter of the Cisco IOS Voice, Video, and Fax Configuration Guide, Release 12.2.
SUMMARY STEPS
1. call-manager-fallback
2. timeouts interdigit seconds
3. exit
DETAILED STEPS
Example
The following example sets the interdigit timeout value to 5 seconds for all Cisco Unified IP Phones. In
this example, 5 seconds are the elapsed time after which an incompletely dialed number times out. For
example, a caller who dials nine digits (408555010) instead of the required ten digits (4085550100) will
hear a busy tone after the 5 timeout seconds have elapsed.
call-manager-fallback
timeouts interdigit 5
Configuring Class of Restriction
The class of restriction (COR) functionality provides the ability to deny certain call attempts on the basis
of the incoming and outgoing class of restrictions provisioned on the dial peers. This functionality
provides flexibility in network design, allows users to block calls (for example, calls to 900 numbers),
and applies different restrictions to call attempts from different originators. The cor command sets the
dial-peer COR parameter for dial peers associated with the directory numbers created during
CallManager fallback.
Command or Action Purpose
Step 1
call-manager-fallback
Example:
Router(config)# call-manager-fallback
Enters call-manager-fallback configuration mode.
Step 2
timeouts interdigit seconds
Example:
Router(config-cm-fallback)# timeouts interdigit
5
(Optional) Configures the interdigit timeout value for all
Cisco IP phones that are attached to the router.
• seconds—Interdigit timeout duration, in seconds, for
all Cisco Unified IP Phones. Valid entries are integers
from 2 to 120.
Step 3
exit
Example:
Router(config-cm-fallback)# exit
Exits call-manager-fallback configuration mode.