AT&T 555-230-204 Definity Com. System Generic 3 Feature Description
Describes DEFINITY? G3 system features and parameters. Includes applications and benefits, feature interactions, administration requirements, hardware and software requirements, and a brief discussion of data communications and private-networking configurations.
Generic 3 Feature Description Vol. 1, 2, & Student Manual Issue 2
Generic 1 and Generic 3 and System 75 8403 Voice Terminal User's Guide (5)