When you perform a factory reset of the Cisco Unified IP
Phone, the following information is erased or reset to the 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 memory 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 use the IVR
to reset the network settings to factory default or you can perform the
following steps: