By JORGE NOVELO 1342132
#521621 I can`t connect by voice with ATC. Evrything is workin well, I can hear ATC. When push PTT with no active ATC I hear a buzz. When try to speak with ATC in freq. RX and TX lights go on, etc. But they can hear me. I`m using Prepar3D v4 and PMDG B737. I`m missing something ?