Call Coverage Modules; Applications; Physical Description - AT&T Callmaster Series Reference Manual

The C201A Call Coverage Module and the C401A and C401B Call Coverage Module are identi-
cal in appearance, operation, and function. The Call Coverage Module provides 20 call
appearance/feature buttons to supplement those on the associated voice terminal.
The C201A module and 7205H voice terminal were discontinued in March 1988. The C102A
module has also been discontinued.

Applications

The Call Coverage Module can be used with the DEFINITY G1, G2, G3, System 75 and
System 85. The C201A is used with the 7205H multi-appearance hybrid voice terminal (System
85 and G2 only), while the C401A and C401B are used with the 7405D and 7434D digital termi-
nals.

Physical Description

Buttons
Each of the 20 call appearance/feature buttons has a triangular red light and a square green
status light. The buttons used for features have only their status lights operational. The module
buttons can be used for a variety of purposes:
Bridged appearances of extension numbers of other voice terminals
Additional appearances of the primary extension number of the voice terminal to which it
is attached (up to a total of 12 for both terminal and module)
Identification of incoming calls for a call coverage answer group, a Direct Department
Calling (DDC) group, or a Uniform Call Distribution (UCD) group
Optional features as designated by the System Manager
Mounting
The Call Coverage Module is mounted to the back of the associated voice terminal at an angle
that allows it to be easily used.
Color Options
The Call Coverage Modules are available in black or misty cream.

Call Coverage Modules

Call Coverage Modules
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