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headset echo
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bksales Offline
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Post: #3
RE: headset echo
(05-29-2014 10:24 AM)nicknomo Wrote:  
(05-29-2014 09:05 AM)bksales Wrote:  we are running t26's with firmware 6.72.0.25. all phones use Plantronics cs540 headsets with the EHS36. the ehs was upgraded to the 3.x firmware.

all phones have echo cancelation turned on (settings->voice)
jitter buffer set to adaptive,min delay = 0, max delay= 300, normal = 120

the person using the headset hears the echo of themselves when they talk. it does not happen on the handset or speaker phone.

we have 15 phones setup with this configuration and everyone complains about the echo.

are the above settings correct? and are there any suggestions on how to get rid of the echo?

Just a stab in the dark here... Sometimes echo cancellation routines have trouble with adaptive jitter buffers in VoIP devices. Give a fixed jitter buffer a try and see if that does anything. It probably won't, considering this is a headset only issue, but its worth a shot. It does sound more likely that the phone's echo canceller simply isn't being enabled when the headset is activated... but that is also just a guess.

thanks. the only jitter buffer that is enabled is in the phone itself. nothing in the session border controller or the pbx. I will try changing the jitter buffer from adaptive to fixed in the phone and see if that helps. hopefully someone from yealink will look at their firmware and confirm that the echo cancelation is in fact active when the headset is active. it would be a reall pisser if it was not because it means I will probably have to replace the phones with another brand
05-29-2014 11:45 AM
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Messages In This Thread
headset echo - bksales - 05-29-2014, 09:05 AM
RE: headset echo - nicknomo - 05-29-2014, 10:24 AM
RE: headset echo - bksales - 05-29-2014 11:45 AM
RE: headset echo - nicknomo - 05-29-2014, 12:01 PM
RE: headset echo - Yealink Support - 05-29-2014, 06:06 PM
RE: headset echo - bksales - 06-03-2014, 12:32 AM
RE: headset echo - nicknomo - 06-03-2014, 03:02 AM
RE: headset echo - Yealink Support - 06-03-2014, 10:10 AM

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