Plantronics M12 Vista Coil Cable

Plantronics 26716-01 cable is the bottom coiled cable that plugs between the Plantronics H-series headset and Plantronics M12, 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.