AT&T Callmaster Series Reference Manual page 237

7406D, 7406BIS, and 7406 Plus Voice Terminals
The 7406D (four versions), 7406BIS (two versions), and 7406 Plus (two versions) multi-
appearance digital voice terminals are described in the following table and in the following infor-
mation.
VERSION
7406D01A
7406D02A
7406D03A
7406D04A
7406D05A
7406D06A
7406D07A
7406D08A
* Display features can be used on a data terminal if equipped with Z703AL1 DSU.
The 7406D (which includes the 7406D01A, 7406D02A, 7406D03A, and 7406D04A versions)—
has five call appearance/feature buttons, each with a red in-use light and a green status light,
seven shiftable (2-level) programmable feature buttons with no lights, four programmable feature
buttons with a green light, four fixed feature buttons (CONFERENCE, TRANSFER, DROP, and
HOLD), a SHIFT button with a green light, a SPEAKER button, and a green Message light.
The 7406BIS (which includes the 7406D05A and 7406D06A versions)— has five call
appearance/feature buttons, each with a red in-use light and a green status light, seven shiftable
(2-level) programmable buttons with no lights, two programmable feature buttons with a green
light, four fixed feature buttons (CONFERENCE, TRANSFER, DROP, and HOLD), a SHIFT but-
ton with a green light, a SPEAKER button with a green light, a MUTE button with a red light, a
SPEAKER VOLUME ''arrow'' button, and a red Message light.
2 x 24
CHARACTER DATA CAPABILITY
DISPLAY WITH THE FOLLOWING
Yes Z703AL1 / 7400B
No* Z703AL1 / 7400B
Yes 7400B
No 7400B
Yes 7400B
No 7400B
Yes 7400B
No 7400B
7405D Voice Terminal
BUILT-IN
SPEAKERPHONE
No
No
No
No
Yes
Yes
Yes
Yes
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