The Sennheiser Electronic Hookswitch for Avaya 1400, 1600, 2400 & 9000 Series Phones connects any Sennheiser wireless office headset to certain Avaya 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 Avaya phone models:
1400 series, 1600 series, 2400 series, 9400 series and 9500 series