For Example - Planet Networking & Communication VIP-254PT User Manual

If you need to add a phone number into the Phone Book list, you need to input the position, the name,
and the phone number (by URL type). When you finished a new phone list, just click the "Add Phone"
button.
If you want to delete a phone number, you can select the phone number you want to delete then click
"Delete Selected" button.
If you want to delete all phone numbers, you can click "Delete All" button.

For Example:

STEP 1:
IP Phone had added the above phone numbers. User press Phone Book button from keypad
then the LCD screen will show below:
STEP 2:
Press OK button to enter the Phone Book menu. The LCD screen will show the Phone Book
records pervious made.
STEP 3:
Selecting the recorder you want to dial and press OK button. It sill show the detail information as
below:
Search: [ 3]
00 202
01 206
18