Physical Features - AT&T Callmaster Series Reference Manual

Physical Features

Dimensions
Note: The dimensions given here for the 7407 voice terminals are approximate.
Width = 12 inches
Depth (front to back) = 8 1/2 inches
Height (maximum with handset in place) = 6 1/4 inches
Thickness of housing = 1 1/2 inches
Features
Four Standard Fixed Feature Buttons
CONFERENCE or CONFERENCE/RING button
DROP or DROP/TEST button
TRANSFER button
HOLD button
CALCULATOR/SELECT RING button (on 7407D only)
This button is only on the 7407D (7407D01B) voice terminal. It toggles the 11 dual-function but-
tons between calculator functions on the left side of the buttons (the CALCULATOR/SELECT
RING light is on) and features administered on the right side of the buttons (the
CALCULATOR/SELECT RING light is off). The button can also be used with the PR (Personal-
ized Ring) button to select one of eight possible personalized ringing patterns.
SELECT RING button (on Enhanced 7407D only)
This button is on the Enhanced 7407D (7407D02C) voice terminal. It toggles between the Select
Ring function (selecting a personalized ringing pattern from eight available patterns) and Self-
Test function (tests the lights, ringer, and display).
7407D, Enhanced 7407D, and 7407 Plus Voice Terminals
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