Telephone settings

3. Use the Dialpad to enter the time period:

the first value (from 1 to 59 seconds) defines the time before the display becomes dim.

Save

the second value (from 1 to 59 seconds) defines the time before the display switches off (after the display becomes dim). If you configure the second value as 0, the display never switches off and the handset battery discharges faster.

Attention: During a call, the display switches off to prevent a rapid battery discharge. Press the OK key to highlight the display.

4.Press the Save soft key.

5.Press the Clr key one or more times to return to the idle display.

Call settings

You can change the call settings for your handset.

Use the Calls settings menu to assign the preferences using the following options:

“Accessing the Calls settings menu” (page 169)

“Accessing Statistics information” (page 169)

“Answer mode configuration” (page 170)

“Caller filter configuration” (page 172)

“Configuring emergency calls” (page 178)

“Assigning the Silent charging feature” (page 180)

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Nortel Networks 4027 manual Call settings