AT&T MERLIN LEGEND Release 2.0 Equipment And Operations Manual page 215

Applications
Platform Requirements
To set up ADDS, a business must have the following:
The Automated Document Delivery System software
A touch-tone telephone
A Group Ill (G3) Fax machine with an integrated handset
To request and receive information, a caller must have a touch-tone telephone
and a Group Ill (G3) Fax machine.
For backup of stored data, one of the following is required:
AT&T 705 MT Multi-tasking Terminal
AT&T 6386/SX WGS (or compatible) with ProComm Plus software
Automated Document Delivery System (ADDS)
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