Familiarize yourself with your telephone
Basic rules of operation
You can select and use most of the functions using the menu. To make operation easier, you can assign frequently used functions to the function keys. Some keys are already assigned functions in their factory settings.
Selecting functions from the menu
Press the "Menu" function key.
or 
scroll to the desired menu item.
Confirm your selection. The selected function is displayed. In many cases a submenu also appears. You can scroll through the submenu in the same way as in the menu.
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•Arrows in the display indicate how you can scroll to view other options: 
You can activate a submenu for this menu item.
You can view other menu items by scrolling up and/or down.
•Functions already assigned to keys no longer appear in the menu.
•You can find all functions in the Menu overview (→ p. 126).
Cancelling or exiting an action
If you have entered the wrong data or made the wrong setting:
Press (several times if necessary) to cancel the procedure. You will then move up one menu level or go to the idle display.
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•The following settings cannot be undone using the Escape key:
•Changes to the assignment of function keys
•Settings that have been changed using the OK key.
The display helps you
The displays guide you step by step as you use the phone. The display provides you with a great deal of information, such as the status of your current connection.
The phone number of all external ISDN callers appears in the display, assuming they have not disabled call number ID display. This enables you to see who is calling. If your phone book already contains the name and phone number of the caller, their name will displayed when they calls.
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