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Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.1 (SIP), Cisco Unified IP Phones
OL-11524-01
Chapter4 Configuring Settings on the Cisco Unified IP Phone
Network Configuration Menu
Subnet Mask Subnet mask used by the phone. 1. Unlock network configuration
options.
2. Set the DHCP Enabled option to No.
3. Scroll to the Subnet Mask option,
press the Edit softkey, and then
enter a new subnet mask.
4. Press the Vali dat e softkey and then
press the Save softkey.
TFTP Server 1 Primary Trivial File Transfer Protocol
(TFTP) server used by the phone. If you
are not using DHCP in your network and
you want to change this server, you
must use the TFTP Server 1 option.
If you set the Alternate TFTP option to
yes, you must enter a non-zero value for
the TFTP Server 1 option.
If neither the primary TFTP server nor
the backup TFTP server is listed in the
CTL file on the phone, you must unlock
the CTL file before you can save
changes to the TFTP Server 1 option. In
this case, the phone will delete the CTL
file when you save changes to the TFTP
Server 1 option.
For information about the CTL file,
refer to Cisco Unified CallManager
Security Guide. For information about
unlocking the CTL file, see the
“Security Configuration Menu” section
on page 4-37.
1. Unlock the CTL file, if necessary.
2. If DHCP is enabled, set the Alternate
TFTP option to Yes.
3. Scroll to the TFTP Server 1 option,
press the Edit softkey, and then
enter a new TFTP server IP address.
4. Press the Vali dat e softkey, and then
press the Save softkey.
Table4-2 Network Configuration Menu Options (continued)
Option Description To Change