Maintenance - Cisco 9971 Administration Manual

Maintenance

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Phone Reset Options
Performing a reset of a Cisco Unified IP Phone provides a way to recover if the phone experiences an error
and resets or restores various configuration and security settings. The following types of phone resets are
available:
• Restart phone
• Reset the phone to the factory default settings using phone menu
• Reset the phone to the factory default settings using phone keypad
• Reset the network configuration for the phone
• Reset the user and network configuration for the phone
• Remove the CTL file from the phone
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 following events occur on the phone when you perform a factory reset:
• User configuration settings reset to default values.
• Network configuration settings reset to default values.
• Call histories get erased.
Phone Reset Options, page 327
Quality Report Tool, page 330
Voice Quality Monitoring, page 330
Video Metrics, page 331
Cisco Unified IP Phone Cleaning, page 332
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 10.0
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