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SX-200 General Information Guide
138 Revision A 50003510
Appearances to ring. If the line is a key line, the indicator indicates whether or not the line is
occupied.
Calculator
SUPERSET 4150, SUPERSET 430, and SUPERSET 4DN telephones provide a basic,
four-function calculator using the telephone keypad, display, and softkeys. The calculator has
2 modes of operation - General and Programmer. Once the calculator feature is accessed, the
# key may be used to switch between the two modes. In the General mode the calculator allows
for arithmetic operations and the telephone keypad is used as the numeric keypad. In the
Programmer mode the calculator allows for integer arithmetic/logical operations in either
decimal or hexadecimal.
Call Forwarding
The Call Forwarding feature allows the telephone user to redirect calls placed to the telephone
set’s extension number. The type of forwarding selected determines under what conditions the
call is redirected.
The types of Call Forwarding available are
• Call Forwarding - Busy
Forwards all calls when the extension is busy. While the extension is idle, calls can be made
and received as usual.
• Call Forwarding - Busy/ No Answer
Forwards all calls that are received when the extension is busy or are not answered within a
selected time-out period. While the extension is idle, calls can be made and received as usual.
• Call Forwarding - Display Prime as Forwarder
This feature displays either the forwarder’s prime extension number or the line on the
forwardee’s set display. If the feature is enabled, the prime extension number of the set that
forwarded the call is displayed. When the feature is disabled, the logical line appears as the
forwarder for all types of forwarding.
• Call Forwarding - No Answer
This feature forwards all calls that are not answered within a selected time-out period. Calls
may be made and received normally.
• Call Forwarding - External
This feature forwards all calls received based on one of the conditions selected from above, to
a personal speed call key, system abbreviated dial number, or a personal speedcall.
• Call Forwarding - Always
This type of forwarding is unconditional. All calls are forwarded to the programmed destination.
The number to which the calls are forwarded is the only extension that can call the forwarding
extension while Forwarding - Always is active. The extension can originate calls in the usual
manner.