Cisco Systems CP6921CK9 manual Resetting or Restoring the Cisco Unified IP Phone

Chapter 9 Troubleshooting and Maintenance

Resetting or Restoring the Cisco Unified IP Phone

Table 9-1	Cisco Unified IP Phone Troubleshooting (continued)
Summary		Explanation
Phone call cannot be established		The phone does not have a DHCP IP address, is unable to register to Cisco
		Unified Communications Manager, and shows a Configuring IP or Registering
		message.
		Verify the following:
		1.	The Ethernet cable is attached.
		2.	The Cisco CallManager service is running on the Cisco Unified
			Communications Manager server.
		3.	Both phones are registered to the same Cisco Unified Communications
			Manager.
		4.	Audio server debug and capture logs are enabled for both phones. If
			needed, enable Java debug.

Resetting or Restoring the Cisco Unified IP Phone

There are two general methods for resetting or restoring the Cisco Unified IP Phone:

•Performing a Basic Reset, page 9-10

•Performing a Factory Reset, page 9-11

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 9-2describes 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 9-2	Basic Reset Methods
Operation		Performing	Explanation
Restart phone		Press the Services, Settings, or Directories	Resets any user and network configuration changes
		button and then press **#**.	that you have made, but that the phone has not
			written to its Flash memory, to previously saved
			settings, then restarts the phone.
Reset Settings		From the Admin Settings menu, unlock phone	Resets user and network configuration settings to
		options (see the “Unlocking and Locking	their default values, and restarts the phone.
		Options” section on page 4-3), then choose
		Reset Settings > All Settings.
		From the Admin Settings menu, unlock phone	Resets network configuration settings to their
		options (see the “Unlocking and Locking	default values and resets the phone. (This method
		Options” section on page 4-3), then choose	causes DHCP to reconfigure the IP address of the
		Reset Settings > Network Settings.	phone.)

	Cisco Unified IP Phone 6921, 6941, and 6961 Administration Guide for Cisco Unified Communications Manager 7.1 (SCCP)
9-10	OL-19025-01