User's Manual

Glossary
78
Dooropener
If your telephone is wired
to control the opening of a
door via the Static-
interface, pressing the
memory key allocated to
this function will activate
the door release
mechanism.
Download from the switch
This is the term used to
describe the process of
transferring data or
programs.
Certain memory keys and
other options may be
already programmed when
you start using your set.
DTMF
This stands for Dial Tone
Multi Frequency. When
this function is switched
on, when you dial a
number, each keypress
sounds a pitched note.
This can be switched on
and off by a programmed
function key.
E
Error beep
If you press a key which is
not valid in that specific
state, a short error beep
will sound.
Executive key
Group facility key that
allows a secretary to
answer incoming calls for
a boss on the secretary’s
telephone the moment the
boss’s telephone has been
switched to absent for
most calls.
Exit key
The key which returns the
telephone to the Idle menu
from every other menu.
Extension
A telephone linked to the
main telephone system.
F
Function key
A memory key which has
been programmed to
activate a function.