Move freely while on the phone with this Plantronics Polycom Electronic HookSwitch Cable. This telecommunications accessory is ideal for call centers customer service agents or receptionists. It is a good choice for nearly anyone whose business requires them to spend a substantial amount of time on the phone. It offers the convenience of hands-free conversation so you can be busy handling writing or computer tasks simultaneously. With convenient call start or end options it is designed to be used with several Polycom phone models. The Plantronics Polycom cable allows you to communicate electronically with the phone eliminating the need for an HL10 lifter. It is sturdy and provides long-lasting use.