Vodacom Signal Parkrand, Boksburg

I have been experiencing poor Vodacom signal for the last couple of days at my home in Parkrand, Boksburg. It is going from 3G to EDGE to SOS to 3G again all the time. People are unable to reach me when I am at home. The Vodacom signal is poor in our area however it is now worse.<br> <br> I phoned the call centre 082111 to log a complaint and were asked for 5 Vodacom Cell phone numbers in the area before they can action the complaint. I do not know 5 Vodacom cell numbers in the area so they could not help me.<br> <br> Please advise how I can resolve my mobile network issue? Do I need to change service providers?