Cisco 7970G Administration Guide - Page 255

Chapter 9 Troubleshooting and Maintenance Resetting or Restoring the Cisco Unified IP Phone Performing a 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 • Phone application-Erased (phone recovers by loading the term70.default.loads file or the term71.default.loads file, depending on the phone model) 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. • The term70.default.loads file or the term71.default.loads file and the files specified in that file should be available on the TFTP server that is specified by the DHCP packet. To perform a factory reset of a phone, perform the following steps: Procedure Step 1 Step 2 Step 3 Unplug the power cable from the phone and then plug it back in. The phone begins its power-up cycle. While the phone is powering up, and before the Speaker button flashes on and off, press and hold #. Continue to hold # until each line button flashes on and off in sequence in orange. Release # and press 123456789*0#. You can press a key twice in a row, but if you press the keys out of sequence, the factory reset will not take place. Cisco Unified IP Phone 7970G/7971G-GE Administration Guide for Cisco Unified Communications Manager 6.1 OL-14626-01 9-21