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Cisco IP Phone Administration Guide for Cisco CallManager 3.2, Cisco IP Phones 7960/7940/7910
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Chapter 5 Configuring Network Settings on the Cisco IP Phone
Configuring IP Settings
Assigning Subnet Mask
The subnet mask is used to partition the IP address into a network and a host
identifier. The subnet mask is used to mask a portion of the IP address so that
TCP/IP can distinguish the network ID from the host ID.
Cisco IP Phone 7960/7940
Procedure
Step 1
Press
settings
.
Step 2
Use the Navigation button to select
Network Configuration
.
Step 3
Press the
Select
soft key.
Step 4
Scroll to
Subnet Mask
.
Step 5
Press the
Edit
soft key.
Step 6
Use the buttons on the dial pad to enter the new subnet mask, using the
*
key on
the dial pad or the
.
soft key to enter periods.
Step 7
Use the
<<
soft key to correct any mistakes.
Step 8
Press the
Validate
soft key.
Step 9
Press the
Save
soft key to save this change.
Cisco IP Phone 7910
Procedure
Step 1
Press
settings
.
Step 2
Press
6
(Network Configuration).
Step 3
Use the
down
volume key to select
Subnet Mask
.
Step 4
Press
*
to edit.