Polycom VVX 1500 D - Manual (Page 20)

Deployment Guide for the Polycom VVX 1500 D Phone
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f After the reboot is complete, select Lines from the menu tab.
A web page similar to the one shown below appears.
g Make the desired configuration changes.
For example, under Line 2, enable H.323 Protocol, set the Gatekeeper
Address to 172.23.31.144, set Display Name to Bob Smith, set
Address to 0222465, and set Label to 0222465.
h If you make any changes, scroll down to the bottom of the section.
i Select the Submit button.
The phone will reboot.
Note You must select the Submit button—and reboot the phone—for each page where
you make changes; otherwise, any changes you make on that page will be lost.
Note Enter the E164 extension into the Address field.