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29 - 165 IP Telephony v1.0 Lab 2.1.4 Copyright © 2005, Cisco Systems, Inc.
Lab 2.1.4 Resetting a 7900 Series Cisco IP Phone to Factory Defaults
Objective
• Erase the current configuration from an IP phone
Equipment Requirements
• Cisco IP Phone 79xx series
• Inline power capable switch or non-inline power switch with power injectors
In this lab, the ACME.com Company has decided to deploy CallManager Express (CME) in the
enterprise. First, the IP phones must be reset. They were used in a test lab by the network support
staff and currently have various configurations. This process should be used when configuring any IP
phone that could have been previously configured.
Step 1 Provide power to the switch
a. Cable the Cisco IP phone to an inline power switch using a straight-through cable OR cable the
phone (with a straight-through cable) to a power module that connects to a non-inline power
switch.
b. Power on the switch.
c. Which method of providing power to the IP phone was chosen? __________________________