Siemens 70isdn - Manual (Page 68)

Convenient and secure telephone communication
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Switching from handsfree mode to open listening
Prerequisite: you are conducting a call, the handset is on-
hook, and the loudspeaker and microphone are switched
on.
Switching from open listening to handsfree mode
Prerequisite: you are conducting a call, the handset is lift-
ed and the loudspeaker switched on; LED lights up.
Switching to mute (consultation in the room)
If there are times when you do not want your calling party
to hear your conversation, e.g. if there is a consultation in
the room, you can switch your telephone to "mute". The
following are then switched off, depending on the mode
of operation:
● the handset microphone, or
● the handsfree conversing microphone.
Prerequisite: you have programmed a "Mute" function key
(➔ page 42).
You can adjust the loudspeaker volume with the
+ and - keys during a call with the handset
on-hook.
c Lift the handset. The microphone and loudspeaker are
switched off.
Press the Loudspeaker key; LED lights up.
a To end the call, replace the handset. The connection is
cleared down and the loudspeaker is switched off.
Loudspeaker
and
a To activate handsfree mode, hold down the "Loudspeak-
er" key whilst you replace the handset; the loudspeaker
LED lights up.
The microphone is switched on.
At the end of the call, press the "Loudspeaker" key; LED
goes out.
The connection is closed, the loudspeaker and micro-
phone are switched off.
Loudspeaker
Loudspeaker
g You are conducting a call.
To activate the mute function press the "Mute" key; LED
flashes.
The microphone is switched off.
To deactivate the mute function press the "Mute" key
again; LED goes out.
The microphone is switched on again.
Mute
Mute