PoE or Optional Power Adapter.
NFH1Q Headset for Avaya Nortel Polycom Toshiba Hybrex NEC Aspire Mitel Commander
P251 Voice Tube Headset for Polycom Avaya Nortel Toshiba NEC Aspire Hybrex Ascom
CallTel CTA-100 Headset Systems for Avaya Nortel Toshiba NEC Mitel Commander GE
H450 Headset for headset for Avaya Nortel Aastra Toshiba Polycom Mitel NEC 3Com
Plantronics H61N Supra Stereo Headband Headset for Avaya Nortel NEC Hybrex
Plantronics P61N-U10P Supra Binaural Black Headband Headset for Avaya Nortel NEC
