Chapter 9 Troubleshooting and Maintenance

Resetting or Restoring the Cisco Unified IP Phone

Performing a 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.

Table 9-3describes 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 9-3

Basic Reset Methods

 

 

 

 

 

Operation

 

Performing

Explanation

 

 

 

 

Restart phone

 

From the Main screen, press Settings

Resets any user and network

 

 

to displays the Settings menu, then

configuration changes that you have

 

 

press **#**.

made but that the phone has not written

 

 

Note This factory reset sequence

to its Flash memory to

 

 

previously-saved settings, then restarts

 

 

also works from any other

 

 

the phone.

 

 

screen that does not accept

 

 

 

 

 

user input.

 

 

 

 

 

Erase softkey

 

From the Settings menu, unlock

Resets user and network configuration

 

 

phone options (see the “Unlocking

settings to their default values, deletes

 

 

and Locking Options” section on

the CTL file from the phone, and

 

 

page 4-4). Then press the Erase

restarts the phone.

 

 

softkey.

 

 

 

 

 

 

 

From the Network Configuration

Resets network configuration settings

 

 

menu, unlock phone options (see the

to their default values and resets the

 

 

“Unlocking and Locking Options”

phone. (This method causes DHCP

 

 

section on page 4-4). The press the

reconfigure the IP address of the

 

 

Erase softkey.

phone.)

 

 

 

 

 

 

From the Security Configuration

Deletes the CTL file from the phone

 

 

menu, unlock phone options (see the

and restarts the phone.

 

 

“Unlocking and Locking Options”

 

 

 

section on page 4-4). Then press the

 

 

 

Erase softkey.

 

 

 

 

 

 

 

Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.1 (SIP), Cisco Unified IP Phones

 

 

9-18

 

OL-11524-01

 

 

 

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Cisco Systems 7970G manual Performing a Basic Reset, Operation Performing Explanation, Locking Options section on