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1. #USB AUDIO DRIVER WINDOWS 7 VERSION 6.1.7601.18208 HOW TO#
2. #USB AUDIO DRIVER WINDOWS 7 VERSION 6.1.7601.18208 DRIVERS#

To work around this issue, delete the Intel USB 3.0 drivers and use Windows USB 2.0 drivers instead. This causes timing issues in combination with the Skype for Business audio drivers This issue occurs because Windows 7 doesn't provide native USB 3.0 driver support. Typically, only new hardware that uses a USB 3.0 interface is affected by this issue. We do not have any workaround and our SfB go-live is on hold as this is a show-stopper for us! Happens with Lync Peer-peer, conference and Lync-PSTN calls as well. The only way out is to disconnect and reconnect from the call. We are using Plantronics 740-M (SfB compatible) and mid call, the user can only hear but cannot be heard by others. Infact our SfB installation is brand new.

Hi Arunas, we are experiencing exactly the same issue.

#USB AUDIO DRIVER WINDOWS 7 VERSION 6.1.7601.18208 HOW TO#

This explains why the user "drops out" from the call and others stop hearing him, but this not help to resolve the issue.Įach time users were using headsets certified for Skype for business (Plantronics SAVI W410, Microsoft LifeChat LX-6000), we tried updating Skype for business client, headset firmware if available, audio drivers, but the next day users return saying that problem continues to exist.Īny ideas on how to resolve this? It would be easy to say to change the headset for the user, but when you buy certified device for $100+, then you expect things to work. Post-AEC echo (acoustic echo cancellation) In half duplex mode, communication can travel in only one direction at a time, similar to the way users take turns when communicating with a walkie-talkie. Reason why a call had to be placed into half duplex mode in order to prevent echo. I notice that each time speaker and microphone are glitching which ends in the result Voice switch cause: Bad device stateĪccording to MS explanation Voice switch cause: Render device: Receive (Plantronics D100-M) Initial signal level RMS: 125,749099731445 Capture device: Transmit (Plantronics D100-M) Render device: Headset Earphone (5- Microsoft LifeChat LX-6000)

While digging in the Skype for business server reporting I find something like this: Capture device: Headset Microphone (5- Microsoft LifeChat LX-6000) We have Skype for business is running on premises, Skype client version. Users are complaining that suddenly the other end stops hearing them. During past two weeks I have noticed increased number of incidents regards Skype for business calls.