Specifications

,
Introduction
IMI 66-031
System toll call restriction can be configured, by Class Of Service
programming,
to prohibit some or all stations from calling a wide
range of number combinations. The restricted numbers are specified
programmable restricted number tables which are assigned on a per
station and per line basis.
on
In general,
toll restriction works as follows: The programmable tables
of restricted numbers contain entries of up to 16 digits each.
Each
table of restricted numbers can be programmed to be an "allowN table
or a "deny"
table with entries in an "allow"
table overriding entries :
in a "deny" table.
This feature allows exceptions to toll restriction
.-.
to be enabled. For example,
the dialing of all 1-xxx-xxx-xxxx numbers
can be denied while the dialing of l-8000xxx-xxxx numbers is enabled.
A "match anything"
from 1 to 0.
symbol (t) can be stored to represent any digit
The programmed toll restriction tables are individually
assigned to each station and line.
When a line selection is made and a station is dialed, the system
examines the dialed number and makes a comparison between the station
toll restriction tables and the line toll restriction tables.
Any
tables assigned to BOTH the station being used and the selected line
determine the toll restrictions to be imposed.
Dialing a restricted
number on a restricted line from a restricted station will cause the
line to be automatically disconnected for 2 seconds.
The intercom feature links the stations of the system together.
Four
intercon paths are available on the Model 816 system.
Intercom calls
can be tone signalled or voice announced as desired, and can be
responded to in a handsfree manner.
Intercom call progress is marked
by special tone signals. A visual indication is presented when all of
the paths are busy.
A special adapter is available which will allow a station to be
mounted on a wall.
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SPECIFICATIONS
The general specifications of the
shown in Table 1
Model 816 electronic key system are
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