Mitel Superset 4
Features: 13 speed dial keys, 2 way speakerphone/transfer/conference key, Hold key, Redial key, 15 line selection or speed dial keys, A line status display, Interactive soft keys, 4 supplemental keys.
Requires: 1 port from 16cct, Superset card on SX-20 system, 1 port from 8cct Superset Card on SX-50 system, 1 port on 6cct COV card on SX-200D/Light/ML/EL, 1 port on 12 port COV card on SX-2000 system.
Compatible with: SX-20, SX-50, SX-200, and SX-2000.
Requires: 1 port from 16cct, Superset card on SX-20 system, 1 port from 8cct Superset Card on SX-50 system, 1 port on 6cct COV card on SX-200D/Light/ML/EL, 1 port on 12 port COV card on SX-2000 system.
Compatible with: SX-20, SX-50, SX-200, and SX-2000.