Cisco CP-7975G Administration Guide - Page 217

Chapter 9 Troubleshooting and Maintenance Resetting or Restoring the Cisco Unified IP Phone Table 9-4 Basic Reset Methods (continued) Operation Erase softkey Performing Explanation From the Settings menu, unlock phone options Resets user and network configuration settings (see Unlocking and Locking Options, page 4-3). to their default values, deletes the CTL file from Then press the Erase softkey. the phone, and restarts the phone. From the Network Configuration menu, unlock Resets network configuration settings to their phone options (see Unlocking and Locking default values and resets the phone. (This Options, page 4-3). The press the Erase softkey. method causes DHCP reconfigure the IP address of the phone.) From the Security Configuration menu, unlock phone options (see Unlocking and Locking Options, page 4-3). Then press the Erase softkey. Deletes the CTL file from the phone and restarts the 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 appropriate default load file (term75.default.loads, term71.default.loads, term70.default.loads, term65.default.loads, or term45.default.loads) 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 default load file for your phone model 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 (for the Cisco Unified IP Phone 7975G, 7971G-GE and 7970G) or amber (for the Cisco Unified IP Phone 7965G and 7945G). Release # and press 123456789*0#. OL-23092-01 Cisco Unified IP Phone Administration Guide for Cisco Unified Communications Manager 8.5 9-15