Just plug directly into your headset-ready telephone or into the handset port if your phone do not include the headset port function, Most simple setup headset solution. Keep your hands off the phone using this headset. You can increase productivity by working on your computer, taking notes, and handling other tasks - hands-free - while talking to your customers. Enjoy the benefits of completing calls faster and with less likelihood of errors. This headset model offers a substantial increase in comfort and productivity over a handset. The most cost-effective headset solution. The headset complete with a 10-feet coiled cord with RJ11/RJ12 headset or handset plug Modular Plug. You just simply plug this modular plug into the headset or handset jack on your phone and it's ready to be used. Adjustable with noise cancellation technology microphone improves voice clarity. NO mute / volume control.

Compatible ONLY with Avaya 9608 9608G Avaya 9620L Avaya 1608-I J139 J169 J179 IP Telephone