Don't get ring in some cases when calls are made. But it's reflecting in missed calls data. Address this issue on urgent basis. I am repeating this issue again because this issue still not addressed. This defect is still not addressed, and it is repeated again and again. Advertisement volume is increased and it is hampering useage of phone very often. Incoming calls from VI probably, not getting the ring tone. I can't afford to lose calls like this. This is happening very often. Hence I am unins