Comdial Unisyn TS616

6 Lines and 16 Stations Phone System

Includes TXIST 4 port expansion card, 

TXRNG Ring generator card

This system was working when it was taken out of service with no issues or problems. The case was not opened, just wires unplugged from outside. No dents on case, and it has spent its entire life hanging on a wall in a protected environment.