321
6
54
987
0
ABC DEF
GHI JKL MNO
PQRS TUV WXYZ
*#
R
+--
TB 13 Operating Instructions
4
All keys at a glance
Alphanumeric keys
Alphanumeric keys for dialing call numbers and entering codes.
The alphanumeric labeling enables you to dial vanity numbers.
Star and Hash keys for special functions.
8 pre--assigned function keys
Speed--dial key for dialing the numbers stored in the telephone
system.
Programming key for initiating or ending programming mode, in
which you can change basic settings or store call numbers, for
example.
Redial key for dialing the most recent or a selected call number.
Integral 5 / 3: External call numbers only.
Refer--back key for consulting with internal or external
subscribers.
Call--back key for initiating an automatic call--back if the line you
call is busy. Your telephone will ring as soon as the subscriber
has finished calling. You can then pick up the handset to call the
subscriber again.
Integral 5 / 3: You can also request a call--back if a subscriber
does not answer the phone.
Monitor key for switching the loudspeaker on / off and making a
call with the handset on--hook.
You can adjust the handset volume during a call by pressing the
Plus and Minus keys. If you are making a handsfree call, the
volume of the loudspeaker will be adjusted.
Integral 5 / 3: You can also adjust the ringer volume.
