This Sennheiser Cisco Electronics Hookswitch connects any Sennheiser wireless office headset to certain Cisco phone models (see below), allowing for remote answering and ending of calls without the use of a handset lifter. Call us at 1-800-HEADSETS (1-800-432-3738) to check for compatibility with your phone.

Compatible Cisco phone models: SPA512G, SPA514G, SPA525G