Plantronics APC-41 Electronic Hook Switch (EHS) for Savi office and CS500 Range Category_Best4Headsets/3M Peltor Headsets/3M Peltor Bluetooth Headsets The RJ11 plug is the

The RJ11 plug is the same as the shape as the plug on either end of the curly cord that plugs into the handset of the telephone

R 4 Japanese phones

Cockpit notification and connection control

Call Controls: Answer / End / Mute / ANC on-off / Volume Up-Down

Plantronics APC-41 Electronic Hook Switch (EHS) for Savi office and CS500 Range Category_Best4Headsets/3M Peltor Headsets/3M Peltor Bluetooth Headsets The RJ11 plug is theElectronic hookswitch for Plantronics Savi Office and CS500 range of Cordless Headsets Place or receive call without the need for a mechanical lifter Small, compact & discreet Compatible with Cisco 794X, 796X and 797X handsets