etienner1 year ago000Can anyone use these with the 3CX app? Mine, already 2nd pair, only work 1 way with the app. No microphone function. Calls not via the app work fine.Show in original language (German)thierrythierry1 year ago000It works. However, you must unfortunately switch off the "Vehicle/Bluetooth support (Telecom API)". This means that answering calls in the car no longer works properly. What a pity...Show in original language (German)Comment