Comdial DigiTech Attendant's Supplement page 2

This user guide is applicable for the following system and
telephone models:
System Models:
CO408, C0816, and Cl632
(with software release 10 [SW 101 or later)
Telephone Model:
77OOS-+* Rev. I and later
77143~++ Rev. I and later
7714X-++ Rev. I and later