Performing A Factory Reset - Cisco 7970G - IP Phone VoIP Administration Manual

Chapter 9 Troubleshooting and Maintenance

Performing a Factory Reset

Step 1
Step 2
Step 3
Cisco Unified IP Phone 7970G/7971G-GE Administration Guide for Cisco Unified Communications Manager 6.1
OL-14626-01
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
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Network configuration settings—Reset to default values
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Call histories—Erased
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Locale information—Reset to default values
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Phone application—Erased (phone recovers by loading the
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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.
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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
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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
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.
Resetting or Restoring the Cisco Unified IP Phone
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