Toshiba VP 300 Installation Instructions Manual page 430

Voice processing
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9-8
Installation and Maintenance Manual
SLOTS Table
PREFIX
DIGITS Table
Multiple
Prefixes
Toshiba VP Systems Release 6.1 February, 1993
has still not been received, the caller hears the company greeting instead of the
called party's station/name or greeting. As a fail-safe measure, it is recommended
that the value of System Parameters 99, 100, and 117 be set at five.
System Parameter 130 — SEND DTMF A FOR FORWARDED CALLS
Modify the value of this System Parameter to be YES. This enables the Toshiba
VP System to identify when a Message Waiting call or screened transfer has
forwarded back to a VP port.
System Parameter 180 — RS-232 BYTE FORMAT FOR PBX
INTEGRATION
This parameter can be set 0 or 1:
0 = 7 bits/even parity
1 = 8 bits/no parity
Contact the providing telephone company to determine what data type is used.
7 bits/even parity is most commonly used for AT&T 1AESS and 5 ESS.
8 bits/no parity is most commonly used for Northern Telecom SL-100 and DMS
100.
The SLOTS Table is used to configure ports in Centrex.
Configure all ports that answer calls forwarded to the VP 300 for either AX, CX,
or MX mode. Configure the SLOTS Table as follows:
In the station field for each port answering the Centrex lines, the station number
must be the exact Message Desk Number plus the Message Desk Terminal
Number assigned by the CO. It is a total of seven digits as described below.
Message Desk number = three digits with a range of 001-063
Message Desk Terminal = four digits with a range of 0001-2047
The Message Desk Terminal ID is supplied by the CO. The VP 300 treats this
number as a VP 300 port's station number.
If the Message Desk terminals are configured for ground start, they cannot
be configured for outcall.
Refer to the Configuration manual — SLOTS Table, for further information on
configuring the SLOTS Table.
Configure the PREFIX DIGITS Table to include all valid mailbox first digits.
Refer to the Configuration manual — PREFIX DIGITS Table.
With Release 6.1 and higher, the use of multiple prefixes in integrated Centrex
installations can be supported.
The following is an example of a large Centrex installation where the number
banks associated with the existing 294 prefix are exhausted, indicating the need for
the use of a second prefix. The existing 294 prefix includes the number banks 294-

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