Need a headset for your Avaya IP Phone? You don't need to purchase an external headset amplifier. Simply purchase this HIP-1 cord and connect any Plantronics H-series headset directly to your telephone's headset jack. Allows basic direct connection to Avaya 4606, 4612, 4624, 4620, 4630SW. For Avaya 4620SW IP Phones manufactured prior to Nov 2004, the HIP cord is recommended. For Avaya 4620SW IP Phones manufactured after Nov 2004, the HIC cord is recommended. Features "Isolation Suppression" to reduce echo characteristic in some IP Networks.

NOTE: Amplifier not required.

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