error at WASP.E152

[traceey]

Hello...

I quite fustrated ,I can't make calls, dial *111# Or call fnb call centre 147,,, please help,,, i tried by rebooting my phone,,,nothing works. I am using fnb sim card

 

[traceey]

I am unable to make calls, check my balance....: only mobile data working. I am using xperia Z3 dd660 with FNB sim card.
\\please help....

 

[chrisc]

Who is the service provider? MTN, Vodacom or CellC?