Operation Manual

Extension features
9
If call forwarding is enabled, it is indicated on the terminal by a special dialling
tone that you will hear after picking up the receiver. Outgoing calls are possible
from the terminal without restrictions.
To enable the different types of call forwarding, the following key sequences must be
entered:
Call Forwarding Unconditional (CFU) off

Call Forwarding Unconditional (CFU) on
with destination phone number

destination
Call Forwarding No Reply (CFNR) off

Call Forwarding No Reply (CFNR) on
with destination phone number

destination
Call Forwarding on Busy (CFB) off

Call Forwarding on Busy (CFB) on with
destination phone number

destination
When programming an external destination number, the line prefix (
as standard)
must also be entered.
The input is concluded by a positive acknowledgement tone or an error tone.
The call forwarding always refers to the programmed outgoing MSN.
ISDN telephones are programmed via the keypad or via individual menus using
the appropriate ISDN services. Please consult the User's Manual of your ISDN
terminals.