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Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 4.2, Cisco Unified IP Phone
OL-8617-01
Chapter 4 Configuring Network Settings on the Cisco Unified IP Phone
Modifying DHCP Settings
Modifying DHCP Settings
Dynamic Host Configuration Protocol (DHCP) automatically assigns IP
addresses to devices when you connect them to the network. This section provides
information about enabling DHCP and releasing a DHCP-assigned IP address in
the following topics:
• Enabling DHCP, page 4-13
• Disabling DHCP, page 4-15
• Releasing a DHCP Address, page 4-16
Enabling DHCP
Cisco Unified IP Phones enable DHCP by default, but you can reset the protocol
if it becomes disabled.
To enable DHCP for the Cisco Unified IP Phone, follow these steps:
Using the Phone Configuration Web Page
Procedure
Step 1 Display the Phone Configuration web page.
For instructions, see the “Accessing Network Settings through a Phone
Configuration Web Page” section on page 4-2.
Step 2 In the pane on the left under Change Configuration, click Network Parameters.
You may be prompted to enter a password.
The Network Parameters web page appears.
Step 3 To enable DHCP, enter 1 in the DHCP field and click Apply.