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Cisco Unified IP Phone 7970G/7971G-GE Administration Guide for Cisco Unified Communications Manager 6.1
OL-14626-01
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
Unplug the power cable from the phone and then plug it back in.
The phone begins its power-up cycle.
Step 2
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.
Step 3
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.
Summary of Contents for 7970G - IP Phone VoIP
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