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1.1.4.1
PBX mode
In PBX mode extension
Although not essential it is recommended that a Systemphone be fitted to
extension
All incoming calls and any extension keying
routed to the operator position. Any other extension can go off- hook and
key the call pickup code
If the operator extension is engaged when an incoming call arrives, warn
tone will be applied to the operator extension (see paragraph
the operator extension is making an outgoing call or being rung and an
incoming call arrives on the second line the second extension
rung. If extension
Extension
It is also the power fail extension for line
extension for line
1.1.4.2
Keysystem mode
Although not essential it is recommended that at least one Systemphone
be fitted to the system to give visual status of the exchange line and
extensions.
Incoming calls on exchange line
extension which has its ringer programmed on. It is also the power fail
extension for line
Incoming calls on exchange line
extension which has its ringer programmed on. It is also the power fail
extension for line
Extension
Its ringer cannot be programmed off for line
Extension
Its ringer cannot be programmed off for line
Any extension keying
20.
and key the call pickup code
1.1.4.3
Exclusive line mode
This is similar in operation to Keysystem mode except that the second
line becomes dedicated to extension
mode are:
- extension
- line
If extension
transferred to the target extension.
Extension
will be able to transfer calls and set up features such as diverts in the
normal manner. No diverts will be possible to extension
1371
3 (4/91)
TPU
Issue
20
20
to give visual status of the exchange line and extensions.
(8)
21
is off-hook it will receive warn tone.
20
cannot be barred from making outgoing calls on either line.
2.
1.
2.
20
cannot be restricted from making outgoing calls on line
21
cannot be restricted from making outgoing calls on line
0
after going off-hook will be routed to extension
Any other extension with its ringer programmed off can go off-hook
21
can access line
1
cannot be diverted to extension
21
is under divert the exclusivity of extension
21
will be rung by incoming calls on line
is designated as the operator position.
0
after going off- hook will be
to answer an incoming call if required.
1.
Extension
1
will ring extension
2
will ring extension
1.
2.
(8)
to answer an incoming call if required.
21.
Differences from Keysystem
2
only
21.
1.1.4.4).
If
(21)
will be
21
is the power fail
20
and any other
21
and any other
1.
2.
21
will be
2
21
and extension
21.
Introduction
1-3
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