Sennheiser Avaya 1400,1600, 2400, & 9000 Series EHS Setup (Cat #2083)

Updated by Hayden Everly on Jun 27, 2023

Having this Sennheiser EHS for Avaya phones will make answering the phone a snap. However, hooking it up can be a bit confusing. Good thing we have this article breaking it down for you!

Sennheiser EHS cable for Avaya phones and instruction manual

Avaya EHS Setup

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) Plug the ring detector into the box in the middle of the EHS. Stick the mic over the speaker of the phone

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


After this, you should be all set up!

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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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