It seems that there is a service outage of M1 and it’s MVNO. Subscribers are not able to make any voice calls over VoLTE. At the mean time, you can call your friends on M1 via whatsapp or telegram over WIFI (if you are having connectivity issues).
Smartphone Tech PC News from an Asian Perspective
It seems that there is a service outage of M1 and it’s MVNO. Subscribers are not able to make any voice calls over VoLTE. At the mean time, you can call your friends on M1 via whatsapp or telegram over WIFI (if you are having connectivity issues).