Special Telephones
Emergency telephone
The Emergency telephone is a single-line telephone (not a
telephone) that functions independently of the
system. You can use the Emergency telephone when your
system is not working.
Emergency Transfer/Power Failure Cut-through provides basic
telephone service on external line 01 through an Emergency
telephone if the power fails or if a system error occurs.
The Emergency telephone is usually located near the Key
Service Unit (KSU). Each KSU can support two Emergency
telephones, and each Trunk Module can support one additional
Emergency telephone.
Extra-dial telephone
In Service Modes, a second telephone can be assigned to ring
on calls made to a Direct-dial telephone. There may be one
Extra-dial telephone for each Direct-dial telephone, and it may be
a different telephone in each Service Mode.
Hotline telephone
You can call a programmed internal or external telephone
number simply by picking up the receiver of the Hotline telephone
(or by pressing
A Hotline telephone can be set up to dial an operator or an
emergency number. You should put a notice by the Hotline
telephone to let people know which number will be dialed when
they lift the receiver.
If the Hotline telephone is set up to dial an external number using
the Prime line, there must be an external Prime line assigned to
the telephone. If not, the Hotline call will fail.
The System Coordinator sets up the Hotline telephone, the
telephone number it dials, and the line on which that number is
dialed, in Administration programming.
Compact DR5 System Coordinator Guide
Summary of Contents for Compact 616 DR5
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