@Solla-topee Thank you. The new firmware sounds much much better. I noticed the audio codec was changed from G.711 to AAC. I don't know if this is the reason, but now I can clearly hear the voice and...

Jamesh26 wrote @Solla-topee Hi Solia, Just purchased 2 x C225 and I've updated them to the latest firmware 1.0.11 Build 240826 Rel.62730. Hardware Version 2.0 The mic and associated recording is very...