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Can't hear voice and can't see video Lync

Occasional Contributor

Can't hear voice and can't see video Lync


After the license is activated the video point-to-point work, but another problem now is if you connect the codec as a conference participant via Skype for business, then no video or audio. Screenshot and logs in the attached files, and the time of the meeting of the conference 10.52.

The customer has Skype for business Server 2015.

Previously, the customer was sent information on the rice couch to the server, he confirmed that everything is in accordance with the recommendations.
Look at the system in Lync, which gives you the command-CsMediaConfiguration
If the result will see: RequireEncryption
Then we need to change to SupportEncryption

Set-CsMediaConfiguration -EncryptionLevel supportencryption