3
2
1
6
5
4
9
8
7
0
ABC
DEF
GHI
JKL
MNO
PQRS
TUV
WXYZ
*
#
R
+
--
TB 13 Operating instructions
4
All keys at a glance
Digit keys with letters
Alphanumeric keys for dialing call numbers and entering codes.
The alphabetic labelling allows you to dial so called 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 base 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 sub-
scribers.
Call--back key for initiating an automatic call--back if the internal
line you call is busy. Your telephone will ring as soon as the
other subscriber has finished calling (call back). You then pick
up the handset to call the subscriber again.
Integral 5 / 3:
You can also request a call--back if the other sub-
scriber 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 ringing volume.
Summary of Contents for Integral TB 13
Page 19: ......
