Dialer issues with 5.1.1 custom roms

Hey guys I'm having dialer/telephony issues with latest 5.1.1 roms (aicp and temasek) I can't hear the person/voice in incoming and outgoing calls. Question I just rooted my N6 I did full wipe ,flash ROM, 5.1.1 gapps, supersu 2.49 and reboot. Can someone tell me is there anything else I need to fix the issues I'm having btw I got my device from T-Mobile.

P.S. calls worked successfully on stock 5.1.1 rom