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Message Center telephones
SL-1 telephones
Attendant Consoles
The following types of apparatus are suitable for use in a Message Center:
— 16-digit display SL-1 telephones
— 16-digit display attendant consoles
ACD Message Center 16-digit display SL-1 telephones are recommended
for use in an ACD-type Message Center. The ACD telephone is similar to the
standard 16-digit display SL-1 telephone, but has provision for plugging one
or two headsets into the telephone in place of a handset. The telephones
should be equipped with MSG IN-CALLS, MSG INDIC, MSG CANC and
NOT READY keys, in addition to other keys as required.
A plug-in 24 V transformer or QUT1 centralized power supply is required to
power the digit display or any add-on modules, or both. See Meridian 1
telephones description and specifications for more information.
Other ACD features are described in Automatic Call Distribution basic
features description.
DN Message Center The same SL-1 and ACD telephones used for an ACD
Message Center can also be used for a DN-type Message Center. In this type
of installation, the telephone should be equipped with an MC DN key instead
of an MSG IN-CALLS key. The MSG INDIC, MSG CANC, and NOT
READY keys are also required.
The 16-digit display console is recommended for Message Center use, as with
the 8-digit console, some truncation of digit display information can occur.
The console(s) can be equipped with a MSG CENTER ICI key, to facilitate
the control of a message indication at user telephones (although this is not
required, since the Message Waiting Indication can be performed by direct
access), as well as the MSG INDIC and MSG CANC keys.
Equipment requirements
Message Center
Description and operation
Page 19 of 48
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