Setting Up Cisco Unified IP Phones using SCCP
How to Set Up Cisco Unified IP Phones
87
Cisco Unified SCCP and SIP SRST System Administrator Guide
OL-13143-04
DETAILED STEPS
Command or Action
Purpose
Step 1
call-manager-fallback
Example:
Router(config)# call-manager-fallback
Enters call-manager-fallback configuration mode.
Step 2
ip source-address
ip-address
[
port
port
]
[
any-match
|
strict-match
]
Example:
Router(config-cm-fallback)# ip source-address
10.6.21.4 port 2002 strict-match
Enables the router to receive messages from the Cisco IP
phones through the specified IP addresses and provides
for strict IP address verification. The default port number
is 2000.
Step 3
max-dn
max-directory-numbers
[
dual-line
]
[
preference
preference-order
]
Example:
Router(config-cm-fallback)# max-dn 15 dual-line
preference 1
Sets the maximum number of directory numbers (DNs)
or virtual voice ports that can be supported by the router
and activates the 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
for further details.
•
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
“Configuring Call Rerouting”
section on page 129
for more information on using
the
max-dn
command with the
alias
command.
Note
You must reboot the router to reduce the limit of
the directory numbers or virtual voice ports after
the maximum allowable number is configured.
Step 4
max-ephones
max-phones
Example:
Router(config-cm-fallback)# max-ephones 24
Configures the maximum number of Cisco IP phones
that can be supported by the router. The default is 0. The
maximum number is platform dependent. See
Compatibility Information
for further details.
Note
You must reboot the router to reduce the limit of
Cisco IP phones after the maximum allowable
number is configured.
