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ISDN hold
To place an external call on hold in the exchange (only possible on a
point-to-multipoint connection)
Conference
To initiate a conference with internal users or external subscribers
Brokering
For brokering between several external connections
MSN / External
To seize a specific S0 basic access per phone number and, in the case of
key
point-to-multipoint connections, to communicate a specific multiple
subscriber number (MSN), e.g. for charge clearing in the event of
external dialling. Special function key that can be configured:- MSN /
external key with a defined external phone number
Reserve
To reserve an outside line (B channel) when all lines are busy
Relay
To switch the relays
Inquiry*
To initiate inquiry, connecting, brokering.
Lock
To lock the system telephone and to activate emergency / direct call
Phonebook*
To dial a phone number from the phonebook
Appointment
To turn an entered appointment on or off
Door
To establish a connection to the door hands free unit and to actuate the
electric door opener
Transfer
To transfer an external call to an external user
Diversion from
To divert all calls from another telephone to the current telephone
Diversion to
To divert all calls to another internal user or external subscriber
Wake up
To turn the entered wake up time on or off
Destination
To dial a stored phone number
memory
- public
- The phone number is stored in your telephone and in the phone book.
- private
- The phone number is only stored in your telephone.
Notes ¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢¢
If you do not define a special function when
configuring a function key, you must make
the special inputs (phone numbers and
function type etc.) when operating the
Operation - System Telephones
function key.
The functions marked * are already available
as fixed function keys on the system
telephone.
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