PBX Compatibility/Behind PBX
Description
You can connect your telephone system trunks to Centrex/PBX lines, rather than to Telco trunk circuits.
This makes the trunk inputs to the system Single Line type compatible Centrex/PBX extensions, rather
than Telco circuits. PBX Compatibility lets the system be a node (i.e., satellite) in a larger private tele-
phone network. To place outside calls when the system is behind a PBX, telephone system users must
first dial the PBX trunk access code (usually 9).
The system provides the following PBX Compatibility options:
•
PBX Trunk Access Code Screening
The system can monitor the numbers users dial and screen for PBX trunk access codes. The system
can screen up to four groups of trunk access codes. The codes can have one or two digits, consisting
of the digits 0~9, # and
*
. (You use Line Key 1 as a wild card entry.)
•
PBX Trunk Toll Restriction
The system can provide the Toll Restriction for the PBX trunk, or restriction can be handled solely by
the connected PBX. If the telephone system provides the restriction, it restricts the digits dialed after
the PBX access code.
•
PBX Call Restriction
When the telephone system does the Toll Restriction, it can further restrict users from dialing PBX
extensions. In this case, the only valid numbers are those dialed after the PBX trunk access code.
The only PBX facility telephone system users can access are the PBX outside trunks.
•
Automatic Pause
The system automatically pauses when it sees a PBX trunk access code during manual dialing,
Speed Dialing, Last Number Redial, Repeat Redial and Save Number Dialed. This gives the con-
nected PBX time to set up its trunk circuits.
Conditions
•
When using Account Codes, do not use
*
in a PBX access code. Otherwise, after the
*
, the trunk
stops sending digits to the central office.
•
The system automatically pauses after it finds a PBX access code in a Speed Dialing bin.
•
If Speed Dialing routes a call to a PBX trunk, it does not automatically insert a PBX access code. It
outdials the digits just as they are stored.
•
Users answer incoming calls on PBX trunks just like other trunks. All relevant access and Ring Group
programming applies.
•
Except for dialing the PBX access code, users place calls on PBX trunks just like other trunks. All
relevant access programming applies. Refer to the
Central Office Calls, Placing on page 1-102
fea-
ture for more details.
•
You can have DILs route from the connected PBX. Users can access these trunks for outgoing PBX
calls. All PBX Compatibility restrictions and programming apply.
•
Flash may allow access to certain PBX features - like Transfer. Make sure you program Flash for
compatibility with the connected PBX.
•
The system does not provide automatic Pulse to Tone Conversion after outdialing the PBX trunk ac-
cess code.
•
You can program incoming DISA trunks to be outgoing PBX trunks. All PBX Compatibility restrictions
and programming apply.
•
PBX trunks can follow normal system Toll Restriction.
•
Users can get outbound access to PBX trunks through Trunk Groups and/or Trunk Group Routing. All
PBX Compatibility restrictions and programming apply.
•
If the system routes a call to a PBX trunk, it does not automatically insert the PBX access code. It
outdials the call just as the user dialed it.
Default Settings
Disabled
ISSUE 1.0
SL1000
P
PBX Compatibility/Behind PBX
1-396
Содержание SL1000
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