Caller audio is WAY too loud - Not 3cx related issue

[Connexium]

Hello,

Would anyone know how to solve an issue where the caller's audio is way too loud? I am 99.99% sure it is not related to 3cx since all other calls made using Yealink T57w desk phones sound excellent.

So in this case, the Caller is using 3cx Desktop App on Windows and is cold calling prospects.


To be honest, I have never seen something so drastic. I will include an audio sample (zip file), but below is the waveform of the call:

The green arrow represents the callee
The red arrow is the caller

Any pointers would be appreciated.

 

[SweetAction]

Turn down the microphone gain on the headset/microphone being used.

 

[Connexium]

Oh, dah. Ok, it's way simpler than I expected. Simple is good!
Thanks!