Aastra 6739i for OpenCom 1000 User Guide EN Uživatelský manuál stáhnout pdf (Strana 15)

Using the Aastra 6739i

Other Device Functions

Handsfree / Open-Listening Mode

You can make a call in the handsfree mode, e.g. to let anyone present in the room

listen in. To do so, press the Loudspeaker key before or during a call. The

speaker is switched on. The red LED indicator next to the handsfree key lights up.

Press the key once again to switch the speaker off.

Mute Function

If you do not want the caller to listen in to what, e.g. you are discussing with

someone in the room, you can temporarily mute the telephone. During a call press

the mute key or the Mute softkey. The microphone is switched off. The

red LED indicator next to the key blinks and your caller can no longer hear you.

Press the mute key once again or the Mute softkey to switch the micro-

phone back on.

Adjusting Volume Level

You can adjust the volume of the ringer, of the handset or of the speaker with the

volume keys .

■ During call signalling you can adjust the volume of the ringer.

■ While making a call, you adjust the volume of the handset or – in the handsfree

mode – the volume of the speaker.

Call Protection

You can configure a do not disturb function key on the Aastra 6739i (see Web

Configurator of the OpenCom 1000 starting on page 20).

1. Press the do not disturb (DND) function key to activate call protection.

The function key lights up red. Callers now receive the busy signal. Internal

callers with system terminals also receive No Answer on the display.

2. Press the function key once again to deactivate the call protection function.

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Aastra 6739i for OpenCom 1000 User Guide EN Uživatelský manuál Strana 15