No sound in calls cm 12

Hello i have issues with i8510 rom. i have cwm 6.0.5.1 and installed resurrection remix 5.1.1 before that i had cm12 5.0.2. both had the same issue. The issue is i cant hear when they talk they hear but i cant hear them. if i change to speaker i can hear them but they wont hear me it happens with everything and also i cant voice record still same issue phone doesnt take any sound from my side. I went back to cm 12 again. I tried disabling CheckInService it didnt do anything i installed sound about and still the same