When you receive your new Polycom VVX 410 phone, the current headset that you have may not be compatible with the new device. Please see the link below, noting compatible Polycom headsets.

Compatible Polycom Headsets

Once you have your compatible Polycom VVX 410 headset, please plug the RJ-11 cable into the back of the phone, into the far left port with the headset icon. Once connected, you can press the headset icon on the far right hand side of the phone to utilize your headset. If you do not want to utilize the headset function, please press the headset icon once more, and it will return to the normal handset function.