Sennheiser Electronic Hookswitch for Cisco SPA Series Phones

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