Adjusting Volume; Making And Answering Calls - Siemens U15 User Manual

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Adjusting Volume

Press the upper or lower volume keys to:
increase and decrease earpiece or speakerphone
volume during a call
increase and decrease the ringer volume setting when
the idle display is visible
turn off an incoming call alert

Making and Answering Calls

This section describes basic calling features. To make video
calls, see page 50. For more features, see page 57.
Making a Call
To call a number, your phone must:
be turned on with the phone and keypad unlocked
have a SIM card inserted and unlocked
have a network connection with adequate signal strength
Press
keypad keys
1
N
(send key)
2
O
(end key)
3
You can make an emergency call even when the phone is
Note:
locked, or when a SIM card is not inserted. See page 60.
To
dial the phone number (up to
32 digits)
If you make a mistake,
Tip:
+
press
(
DELETE
the last digit, or press and hold
+
(
) to clear all digits.
DELETE
make the call
end the call
) to delete
19

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