The ESI IVX 684 PC is an expansion port card designed to fit the ESI IVX E-Class phones systems (first and second generations). The ESI IVX 684 adds the following to your phone system; four analog stations, six CO lines and eight phone stations.
ESI IVX 684 Features:
- 4 Analog Stations
- 6 CO Lines
- 8 Phone Stations
- IVX E-Class (1st and 2nd Gen)
- (1) ESI IVX 684 PC Expansion Port Card