Product Description
Cisco RJ Plug Adapter for 3.5mm Headsets
Use a standard 3.5mm headset with your Cisco IP phone using this plug and play adapter. Simply insert the RJ plug into the headset port on your Cisco IP Phone and then connect your 3.5mm headset into the other end of the adapter.
Compatibility
Cisco IP Phones with an RJ plug, 3.5mm headsets