Hi, 2 units recently installed, only the audio doesn’t work, bidirectionally - it’s sound is garbled, as if scrambled (if the phone is in water??). All other functions are OK (video, door opening). Any suggestions? Thanks
Hello, and welcome to the forum 
Have you checked the FAQ on the Doorbird Support site yet, and/or contacted them? The audio/video stream is handled by the Doorbird server, so they’re the ones that are best placed to help with this.
Hi and problem solved. The units come with a sound level preset to 50% and a warning that it “fits most cases” and somehow dissuades from changing it. Only after understanding support’s difficulties to help, I started to modify the speaker device level, brought it down to 20% and understood that the problem disappeared, raised to 25% and worked as should - sound level was perceptible. In the end, the problem was originated by the ambient noise (wind) hitting the units, the 50% level was too sensitive, creating an over-modulation. .
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Great, thanks for posting the solution!