28
General Functions Making Calls
DTMF Postdial/
VF Signalling
In the connection state your tele-
phone is automatically switched to
VF (voice frequency) signalling. You
can use this to query an answering
machine or a voice mailbox, for ex-
ample.
Muting
Pressing the muting key
(only on the OpenPhone 63/65) de-
activates the microphone during a
call, and the person at the other end
of the line can no longer hear you.
Press the key again to switch the mi-
crophone back on.
Call-Charge Display,
Duration Display
If your network operator transmits
call charge information, and if you
have dialled an external number
yourself, you will see the current
amount of the charge in the Info line
during or at the end of a call. The
menu item
Charge settings
in
the
Phone settings
MenuCard
lets you deactivate this or switch to
the duration display.
Adjusting the Volume
with the Plus/Minus Key
Use the plus/minus key to
adjust the volume of the loud-
speaker in open-listening/hands-
free mode or the volume of the
handset during a call via the hand-
set, or the volume of the ringer tone
when you receive a call.
Note: When the terminal is in its
idle state again, it reverts to the de-
fault menu setting.
Redialling
Pressing the redial key dis-
plays a MenuCard containing the last
ten numbers dialled (with the most
recent entry at the top). If a tele-
phone number is also stored in your
system’s telephone book/name di-
rectory, you will see the name as
well. Select the entry and confirm it
with or lift the handset.
Hands-Free, Open-
Listening Mode
In hands-free mode, the handset is
on-hook (only on the OpenPhone
63/65). You hear the caller over the
loudspeaker and speak through the
microphone of the handset (al-
though it is on-hook). In the case of
open listening, the loudspeaker is
op6365_gb.book Seite 28 Mittwoch, 28. August 2002 11:09 11
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