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DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Phone reference
10716400-series telephones
19
6400-series telephones
The 6400-series telephones are DCP 2-wire telephones that work with the
DEFINITY ECS. The last two digits of the 6400-series model number identify the
number of call appearances (2-lamp buttons) for that model. For example, the
6424D has 24 call appearances. The 6400 series includes two single-line sets
(6402 and 6402D), 8-button sets, a 16-button set, a 24-button set, and a 24-button
expansion module (for the 6416D+ and 6424D+ telephones).
Each of the 6400-series phones includes 6 standard feature buttons:
■ SPEAKER button, which can access a 2-way speakerphone or allow group
listen
■ MUTE button, which mutes the handset or speakerphone microphone
■ HOLD button
■ REDIAL button
■ TRANSFER/TEST button for transferring a call or testing the lights and
display on the telephone
■ CONF/RING button for setting up a conference call and for selecting a
personalized ringing pattern.
These phones do not have a standard Drop button, but you can assign a drop
button to any feature button. The 6400-series display phones show the date and
time in Normal mode, so you do not have to assign a Date/Time button to these
phones.
6402 telephones
The 6402 is a single-line telephone with six fixed feature buttons: a listen-only
Speaker button, a Feature button that allows you to use the dial pad keys for up to
12 features assigned by the system manager, a red Hold button, a Redial button, a
Transfer button that can also be used for the Test feature, and a Conference button
that can also be used to select a personalized ringing pattern, a red Message light,
and a Volume control button.
The 6402D is the same as a 6402, but also has a 2-line by 16-character LCD
display.
The 6402 and 6402D can be used in only a 2-wire environment.