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DEFINITY Enterprise Communications Server Release 8.2
Overview
555-233-002
Issue 1
April 2000
Telephone Features
15
Telephones
2 —Telephone Features
Telephones
DEFINITY ECS telephones fall into three basic families—Analog, Digital Communications
Protocol (DCP), and BRI. These terms describe how each type of telephone
communicates with the DEFINITY ECS switch. These families of telephones are
designed to accommodate the types of communications various users require. All
telephones have touch-tone dialing and the message-waiting lamp for notification of
messages.
Telephones for the Global Marketplace
With help from our many global customers, Lucent Technologies has developed the 8400,
9400, 6400 and 6200 series telephones to meet the demand for two-wire telephones in
the global marketplace.
8400-Series Telephones
The 8400 digital telephones are versatile two-wire/four-wire Digital Communications
Protocol (DCP) telephones with new styling that offer new flexibility and cost savings.
They automatically detect whether they are plugged into a two-wire or four-wire digital line
circuit card. This is a significant benefit because it provides an easier transition to either a
two-line or a four-line environment, therefore reducing wiring expenses and installation
adjustments. It also allows you to save space inside the cabinet by using 24-port two-wire
boards in place of 16-port four-wire boards.
9400-Series Telephones
The 9400 digital telephones, also known as Europhones, provide inexpensive support for
two-wire installations, while still providing a European design. Three models of the 9400
telephones are available in gray and cream white. The 9403, 9410B, 9410D, and 9434
telephones are similar in design and features to the 8400 series.
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