Cisco CP-7911G-CH1 System Administrator Manual page 97

Setting Up Cisco Unified IP Phones using SCCP
DETAILED STEPS
Command or Action
Step 1
call-manager-fallback
Example:
Router(config)# call-manager-fallback
Step 2
max-dn max-directory-numbers [dual-line]
[preference preference-order]
Example:
Router(config-cm-fallback)# max-dn 15 dual-line
preference 1
Step 3
exit
Example:
Router(config-cm-fallback)# exit
Examples
The following example sets the maximum number of DNs or virtual voice ports that can be supported
by a router to 10 and activates the dual-line mode for all IP phones in Cisco Unified CM fallback mode:
call-manager-fallback
max-dn 10 dual-line
exit
OL-13143-04
Purpose
Enters call-manager-fallback configuration mode.
Sets the maximum number of directory numbers (DNs) or
virtual voice ports that can be supported by the router and
activates dual-line mode.
max-directory-numbers: Maximum number of
•
directory numbers (dns) or virtual voice ports
supported by the router. The maximum number is
platform-dependent. The default is 0. See
Compatibility Information
dual-line (Optional). Allows IP phones in
•
Cisco Unified Communications Manager fallback
mode to have a virtual voice port with two channels.
preference preference-order (Optional). Sets the
•
global preference for creating the VoIP dial peers for all
directory numbers that are associated with the primary
number. Range is from 0 to 10. Default is 0, which is
the highest preference.
The alias command also has a preference keyword that
sets alias command preference values. Setting the alias
command preference keyword allows the default
preference set with the max-dn command to be
overridden. See the
section on page 129
max-dn command with the alias command.
Exits call-manager-fallback configuration mode.
Cisco Unified SCCP and SIP SRST System Administrator Guide
How to Set Up Cisco Unified IP Phones
for further details.
"Configuring Call Rerouting"
for more information on using the
97