Aastra openphone 28, User Manual

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Making Calls
29
Making Calls
General Information
Description of Operating Steps
The following descriptions lists the respective softkey functions which are shown
above the left and right softkeys during the corresponding situation of operation.
These functions can be activated by pressing the arrow keys or the
OK softkey.
Switching the Device Off/On
Your handset is after the first charging of the battery automatically switched on and
operational. You can switch off the handset to maintain the charge state of your
battery for longer.
Switching the handset off
Long key press the
D
key.
Switching the handset on
Long key press the
E
key.
No ringer or alarm signal is emitted (e.g. for an appointment call) while the handset is
switched off.
Open Listening / Hands-Free Usage
To allow several people in the same room to take part in a call, press either before or
during a connection the receiver key
A
( long key press). Repeat the process to
switch off. You will achieve the best quality when neither the loudspeaker nor the
microphone are covered.
Setting the volume
During a call you can adjust the speaker or earpiece volume to one of seven levels.
The current setting will be shown in your display.
To adjust the earpiece volume, press the arrow keys; to adjust the loudspeaker
volume, switch the loudspeaker on (press the receiver key
A
) and then press the
arrow keys.