AT&T MERLIN LEGEND Release 3.1 Installation Manual page 237

Call Management System
To play music for waiting callers, you must attach a Music On Hold (MOH)
product that is compatible with an MOH coupler.
NOTE:
If the customer uses equipment that rebroadcasts music or other copyrighted
materials, the customer may be required to obtain a copyright license from
and pay license fees to a third party such as the American Society of
Composers, Artists, and Producers (ASCAP) or Broadcast Music Incorporated
(BMI). Or the customer can purchase a Magic-on-Hold system, which does
not require that you obtain such a license, from AT&T.
Hardware and Software Requirements
The following hardware and software are required for CMS installation:
An approved PC with 640K RAM, 3.5-inch floppy disk drive, and a
20-MB hard disk drive
An approved monochrome or color monitor
CMS interface card with two 14-ft. (4.27-m), 4-pair modular plug
telephone cords and one 14-ft. (4.27-m) DIN connector cord for
connection to Digital Announcement Unit.
CMS software
Digital Announcement Unit for CMS
Parallel printer and cable to connect the printer to the PC
Supervisor console (MERLIN II System Display Console)
Agent telephones (any MLX or analog multiline telephones supported
by the system)
Two analog multiline modules (008 or 408); one to connect the two PC
ports to the operator positions, and one to connect the CMS supervisor
console
DOS, version 3.3 or higher
Installing Applications
8–11