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Connections
Multiple Connections
Your device can handle two connections simultaneously, i.e. you can speak
with two callers at the same time, and switch back and forth between these
connections (toggle) or conduct a three-party conference. Any further callers
will hear a busy signal.
When the system administrator has configured a call queue, any further calls
are given a place in the queue (please refer to the Calls in the Call-Waiting
Queue starting on page 55 section).
DTMF Postdial / VF Signalling
Depending on the system configuration, your telephone is automatically set
to VF signalling during a call. Use VF signalling, e.g. to query a voice message
or voicebox. Please contact your system administrator if you have questions
regarding this function.
Charge Display (Charges)
If your network operator transmits charge information – even for external
calls you dial yourself – you will see the charge amount for the call during and
after the call.
Note:
If there are no charges for the call, no charges are displayed.
Transmission of Call Numbers
There are various ISDN services which either allow or prevent transmission of
call numbers between users.
"CLIP" feature
CLIP is an abbreviation which stands for "Calling Line Identification
Presentation". The call number of the caller is displayed (if transmitted). If the
call number has also been entered into the directory of the Forum 500 /
Forum 5000, the name is displayed.
"CLIP no screening" feature
"CLIP no screening" offers transmission of an arbitrary call number for
outgoing connections instead of transmitting the actual call number of the
caller. This means that instead of your call number being displayed, e.g. a
service call number is displayed to the user you called. The "CLIP no
screening" feature must be ordered from the network operator and
Basic Functions
53
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