Cisco Unified IP Phone Reset or Restore
There are two general methods for resetting or restoring the Cisco Unified IP Phone:
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 after the phone has started up. Choose the operation that is appropriate for your situation.
Table 20: 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 its Flash
memory, to previously saved settings, then restarts the
phone.
Unplug the power cable and
plug it back in.
Restart phone
Resets user and network configuration settings to their
default values, and restarts the phone.
Reset the phone to its factory
settings.
Reset Settings
Perform 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:
•
User configuration settings: Reset to default values
•
Network configuration settings: Reset to default values
•
Call histories: Erased
•
Locale information: Reset to default values
•
Phone application: Erased (phone recovers by using the image in the inactive partition of flash to boot
up).
Before you perform a factory reset, ensure that the following conditions are met:
•
The phone must be on a DHCP-enabled network.
•
A valid TFTP server must be set in DHCP option 150 or option 66 on the DHCP server.
To perform a factory reset of a phone, you can press
Applications
and choose
Admin Settings
>
Reset All
or you can perform the following steps:
Cisco Unified SIP Phone 3905 Administration Guide for Cisco Unified Communications Manager 8.6 (SIP)
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Troubleshooting and Maintenance
Cisco Unified IP Phone Reset or Restore
