Sennheiser Avaya 1400 & 9000 EHS Setup (Cat #2164)

Updated by Hayden Everly on Feb 7, 2024

1) Plug the cord with the green sticker into the PHONE port in the back of the headset base

2) Plug the cord with the pink sticker into the ACC port in the back of the headset base

3) Plug the other end of the EHS into the HEADSET jack of the phone

4) Set compat to A and move dipswitch #1 down (bottom right in the back of the cube)

Sennheiser Avaya 1400 and 9000 EHS setup diagram

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What is Headset Answers?

This is the internal support database for Headsets.com. We manufacture and sell office headsets in North America. With over 25 years' experience in the business, we know headsets.

Please use our support database for free headset support, whether you’re a Customer of ours (or not). If you have problems, suggestions, or unanswered questions, please email us at hello@headsets.com (compliments also welcomed 😀)

Looking for office headsets in the UK? Check out Headsets.co.uk.

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