Plantronics 26716-01 cable is the bottom coiled cable that plugs between the Plantronics H-series headset and Plantronics M12, M22, M10, or MX10 amplifiers. The 26716-01 is also used as a direct connect solution when you plug any Plantronics H-series headset into a Cisco VoiP telephone. When used with the Cisco telephone, no amplifier is used.

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• M12/M22 Cable (Quick disconnect to modular plug)
• For use with M12, M22, M10, MX10, and direct connect to Cisco IP phones