Most of us use VoIP(Voice over IP) phones at our office desk. It is a tedious task to hold phone's receiver in one hand and perform other tasks like booking an order, entering data, or taking notes with other hand during call. As every VoIP Phone is equipped with built-in modular headset jack to connect external headsets ,this cable facilitates easy connection between mobile phone headset and the VoIP phone. This adapter cable converts the standard 3.5mm jack to RJ9 Modular plug. Components in this cable are connected for noise free handshaking of voice signals between VoIP phone and mobile phone headset. * Compatible to only Polycom VoIP phones * If you are interested to buy for other VoIP phones then send a message to us via Amazon with Model number of VoIP phone. We would like to reply to you for possible solution. * If your VoIP phone is not having dedicated built-in Headset Jack then let us know, we will provide you compatible customized product for your phone.

Most of us use VoIP(Voice over IP) phones at our office desk. It is a tedious task to hold phone's receiver in one hand and perform other tasks like booking an order, entering data, or taking notes with other hand during call. As every VoIP Phone is equipped with built-in modular headset jack to connect external headsets ,this cable facilitates easy connection between mobile phone headset and the VoIP phone. This adapter cable converts the standard 3.5mm jack to RJ9 Modular plug. Components in this cable are connected for noise free handshaking of voice signals between VoIP phone and mobile phone headset. * Compatible to only Polycom VoIP phones * If you are interested to buy for other VoIP phones then send a message to us via Amazon with Model number of VoIP phone. We would like to reply to you for possible solution. * If your VoIP phone is not having dedicated built-in Headset Jack then let us know, we will provide you compatible customized product for your phone.