Look it up whenever in doubt
Overview of telephone functions
Refer-back to exchange
You can put a connection to the exchange on hold. You can then make a new con- nection using the same
Internal group call
For simultaneously calling all subscribers of a particular group. You will be connected with the first subscriber that answers the call.
Serial call
An external caller who is forwarded by you will always be switched back to you after finishing their conversation. You can then forward the caller again.
Keypad
Activates the keypad function.
Serial call
An external caller who is forwarded by you will always be switched back to you after finishing their conversation. You can then forward the caller again.
Conference
Initiates a conference.
Customer number
For every call resulting in charges, you can enter a three to
Line bundle
Seizes a line in the corresponding bundle.
Line bundle + code dial destination
Seizes a line in the corresponding bundle and then dials the entered code dial desti- nation.
Released line bundle + code dial destination
Seizes a line in the released bundle and then dials the entered code dial destination.
DMF A (B, C, D)
For signalling of the DTMF key A (B, C, D)
Message
For sending a message to a subscriber within your system.
MSN
Presents the call recipient of the next outgoing call with the stored number.
Night service 1, 2, 3
For activating and deactivating the night modes for particular subscriber groups.
Automatic night service
You can have night service activated automatically. The activation time is set by your system administrator.
Partner or destination
If a partner or destination has been stored with a name, this name will be shown.
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