Plantronics P540-M, Polycom CX300 with Plantronics handset lifter for Wireless headset
DIY project to get Plantronics Wireless headset to work with OCS Tanjay.
Modified Plantronics handset lifter and Plantronics P540-M (Polycom CX300) OCS USB phone to overcome lack of Electronic Hook Switch in the phone and incompatibility of Tanjay with handset lifter.