Look it up whenever in doubt
Telephone functions and symbols
Pick-up
You can use this function to direct calls for other subscribers or groups to your telephone.
Call
Cutting yourself out of general call
You can cut your telephone out of the general call.
Refer-back to exchange
You can put a connection to the exchange on hold. You can then make a new connection 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.
Keypad
Activates the keypad function.
Serial call
An external caller who is forwarded by you will always be swit- ched 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 ten- digit code for billing the charges, e.g. a project or job number.
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 destination.
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.
Night service 1, 2, 3
For activating and deactivating the night modes for particular sub- scriber groups.
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