Basic Reset
Performing a basic reset of a Cisco Unified IP Phone provides a way to recover if the phone experiences an
error and provides a way to reset or restore various configuration and security settings.
The following table describes the ways to perform a basic reset. You can reset a phone with any of these
operations any time after the phone has started up. Choose the operation that is appropriate for your situation.
Table 56: Basic Reset Methods
Explanation
Performing
Operation
Resets any user and network configuration
changes that you have made but that the
phone has not written to the flash memory
to previously saved settings, then restarts the
phone.
From the Main screen, press
Settings
to display the Settings menu, then
press **#**.
This factory reset sequence
also works from any other
screen that does not accept
user input.
Note
Restart phone
Resets user and network configuration
settings to their default values, deletes the
CTL file from the phone, and restarts the
phone.
From the Settings menu, unlock phone
options (see
Unlock and Lock
Options, on page 63
). Then press
Erase
.
Erase
softkey
Resets network configuration settings to their
default values and resets the phone. (This
method causes DHCP reconfigure the IP
address of the phone.)
From the Network Configuration
menu, unlock phone options (see
Unlock and Lock Options, on page
63
). Then press
Erase
.
Deletes the CTL file from the phone and
restarts the phone.
From the Security Configuration
menu, unlock phone options (see
Unlock and Lock Options, on page
63
). Then press the
Erase
softkey.
Factory Reset
When you perform a factory reset of the Cisco Unified IP Phone, the following information is erased or reset
to its default value:
•
CTL file: Erased
•
LSC: Erased
•
User configuration settings: Reset to default values
•
Network configuration settings: Reset to default values
•
Call histories: Erased
•
Locale information: Reset to default values
Cisco Unified IP Phone 7975G, 7971G-GE, 7970G, 7965G, and 7945G Administration Guide for Cisco Unified
Communications Manager 9.0 (SCCP and SIP)
235
Troubleshooting and Maintenance
Cisco Unified IP Phone Reset or Restore