44
Glossary
Advisory message
One of nine messages that can
be displayed to any
Systemphone calling your
extension. You
can
set an
advisory message from an
ordinary telephone, although
you cannot check its content.
You can also set your own
message
if
you wish.
Auto answer
If you have a Voice Module
installed, a pre-programmed
greeting is played to external
callers while the system is in
day service.
If
you wish, you
can
use this feature as an
automatic answering machine
at times when the phones are
unattended.
Busy lamp field
When you are programming,
the lights on
12
of the
16
pre
programmed keys glow red to
show you the status of each
extension.
Call back message
A message which you can
leave on a Systemphone which
is busy or does not answer. It
displays your extension
number or name.
Call barring
Restrictions placed on an
extension which prevent
certain types of call being
made from that extension. The
actual barring imposed is set
by the Class of service
programmed.
Call diversion
You
can
either divert
all
of your
calls to ring at another
extension, or you can set your
phone to divert calls
if
your
extension is busy or if there is
no answer.
Call logging
If a Call Logging Interface
Module is installed, you
can
enable call logging. This
feature allows you to print out
records of calls made.
Call Logging Interface Module
An
add-on module, used for
call logging by allowing a
printer or PC to be connected
directly to BT Revelation.
Call pickup
You
can
pick up an external call
which is ringing either on a
central bell or at another
extension by pressing the pre
programmed
PICK UP
key or
dialling the code (external calls
only).
Call transfer
You can transfer an incoming
call which has rung at your
extension to any other
extension within your system.
How you do this depends on
your type of telephone (refer
to the appropriate section on
pages
9
or
14).
Camp on busy
If
you get busy tone (engaged
tone) when you call an
extension, you can stay off
hook and when the called
phone becomes free your
extension will call the phone.
CCU (Central Control Unit)
This is the main wall-mounted
unit of your system.
CDS (Caller Display
Service )
This BT Network Service
allows the callers number or
name,
if
programmed, to be
displayed on the Systemphone.
Class of Service
Each extension may be
programmed for a Class of
service which determines the
type of call the extension is
allowed to dial. There are five
different Classes of service.
CLIO ( Calling Line
ldentity)1
This ISDN Network Service
provides the number of the
calling line to the called number.
CLIP (Calling Line
Identification
Presentation)1
This ISDN Network Service
allows the callers number or
name, if programmed, to be
displayed on the systemphones.
CLIR (Calling Line
Identification Restriction)1
This ISDN Network Service
enables you to prevent your
number being displayed to the
person you
are
calling.
COLP (Connected Line
Identification
Presentation)1
This ISDN Network Service
enables the number of the phone
which answers a call to be
displayed to the caller.
COLR (Connected Line
Identification Restriction)1
This ISDN Network Service
prevents the transmission of the
number of the phone which
answers a call.
Courtesy service
Provides a courtesy greeting
when a phone is not answered
within a programmed time.
DOI (Direct Dialling ln)1
This ISDN Network Service
enables extensions to be dialled
directly. See MSN
as
an
alternative service providing the
same capability.
DISA (Direct Inward
System Access)
Callers
can
ring straight
through to an extension if they
know the extension number.
When the line is programmed
with DISA, the caller hears a
tone or message, whereupon
they
can
then dial the
extension number.
If
the
extension is busy, or the
number dialled is invalid, the
call is then presented as an
ordinary incoming call.
DND (Do Not Disturb)
A feature which allows you to
set your extension
so
that it
does not receive any calls.
ENBLOC1
A
method of dialling where the
digits may be entered
and
edited
prior
to
sending
them
to line.
Enquiry call
This enables you to place an
external call on hold while you
call and speak to an extension,
then return to the original call.
Fax detect
If
you have a dedicated
fax
number, you
can
program your
system to distinguish between
incoming
fax
and voice calls.
This will operate only on calls
containing the initial
fax
tone,
otherwise you have to answer
the call manually then transfer
to the
fax
extension.
Handsfree
A facility which allows you to
make or receive calls without
lifting the hands.et.
Handsfree answerback
If
you press the
HANDS
FREE
key while the phone is
not in use, you are in handsfree
answerback mode.
An
internal
call is then answered
automatically. You
can
speak to
the caller without touching the
phone.
Hybrid
A PABX which can be used
with all calls coming in
via
an
operator, or as a key system
which requires no operator, or
as a mixture of the two.
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