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The Aastra Electronic Hookswitch for Sennheiser Wireless Headsets completes your Sennheiser wireless headset system. Answer and end calls to your ear's content with the touch of a button, without the use of a handset lifter on certain Aastra and Zultys telephones.

Compatible Aastra phone models:
5370 IP, 5380 IP, 53i, 55i, 57i, 6751i, 6753i, 6755i, 6757i, and 6767i

Compatible Zultys phone models:
ZIP53i, ZIP55i, ZIP55G, ZIP57i, ZIP57G, and ZIP57iCT

If you're not sure it will work with your phone, call us at 1-800-HEADSETS (1-800-432-3738) to check for compatibility. We can't wait to talk to you!

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