Activating Caller ID on Call Waiting
Your phone supports Caller ID on Call Waiting, so you can see the name and number of someone who calls when you're already on the line. You'll need to subscribe to these features with your phone company before you can use them. To let your phone support these features, follow the steps below:
1.With the phone in standby, press the center of the joystick and select the system setup icon 
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2.Select the GLOBAL SETUP menu, and then the CALL WAITING submenu.
3.Select ON to activate Caller ID on Call Waiting.
4.Press the center of the joystick or the Select soft key. You will hear a confirmation tone.
Activating Unique ID and Personal Ring (Distinctive Ring)
You can assign special ringer tones and picture displays to entries in your handset phonebook so you know who's calling. You'll need to subscribe to the Caller ID feature with your phone company for Unique ID and Personal Ring to work.
When your phone gets a call from someone with an assigned unique ID, it uses the special ringer tone and changes the picture display. To turn on Unique ID, follow these steps (see Creating Entries in the Phonebook on page 28 for instructions on choosing a ringer and picture display for each phonebook entry):
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