Ooops... I've missed some resolved caveats in the release notes:CSCtw59242 Calls established with no audio on IP Phones 3905CSCuc17539 3905 Phone - No audioI think I should try 3905.9-4-1-0 ASAP Thank you guys!
Hi Martin,I'll try the official firmware version 3905.9-4-1-0 next week. But I don't see any resolved caveat regarding one-way audio in the release notes... We'll see.Nevertheless, thanks for recommendation.Dmytro