Updated on Sep 18, 2026

If you're experiencing echo in your headset, you should first check the compatibility switch on the headset base (For Leitner you should be set to 1 and for Sennheiser it should be A). If you're already on the right setting, then it's time to check the echo cancellation in your Avaya phone. Let's dive in!
How to Turn Off Echo Cancellation
Still hearing an echo?
Give us a call at 1-800-HEADSETS (432-3738) and we'll be happy to help you troubleshoot!
Time for a new headset?
Many Avaya phone users have made the switch to the Leitner LH670!
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.
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.
Questions/comments?