Works on Nortel Telephone Models: 1120E IP, 1140E IP, 1150E IP, 2465, 2564, M2216, M3903, M3904, M3905, M7208, T7208, M7308, M7310, M7316, T7316, M7324, M7900, M8001, M8003, M9516, M9009.
Works on Mitel Telephone Models: 4015, 4025, 4125, 4150, 5000, 5010, 5020, 5040, 5055, 5140, 5201, 5205, 5207, 5210, 5212, 5215, 5220, 5224, 5230, 5235, 5240, 5250, 5312, 5320, 5324, 5330, 5340, 5550.
Works on NEC Dterm Telephone Models: DTU-8, DTU-8D, DTU-16, DTU-16D, DTU-32, DTU-32D, DTP-8, DTP-8D, DTP-16, DTP-16D, DTP-32, DTP-32D, DTH-8, DTH-8D, DTH-16, DTH-16D, DTH-32, DTH-32D, DT300, DT310, DT330, DT700, DT730, DT750.