Plantronics Replacement cord, Standard Coil Cable; QD to Male Modular Plug for MX10, M12, M10 and Cisco IP Phone.

This cord installs between the adapter (Plantronics MX10, M12, M10) and any Plantronics H-Series Headset.

For Cisco IP Phones, this cord connects directly into Cisco Ip Phone Models 7940, 7960, and 7970 and any H-Series headset top (No Additional Adapter Required).