What happen when porting is completed but I am unable to make outgoing call November 19, 2024 01:25 Updated For VoLTE settings please refer to “How to enable VoLTE?” Please reach out to our customer support team for further assistance should the issue persist. Related articles How do I enable VoLTE? What is the APN Setting for SIMBA? I could make calls when I was with my previous service provider. Why can’t I make calls now? Is there a fee when I port out from SIMBA? What is VoLTE?