DATA BILLING & NO RESPONSE FOR OVER 2 MONTHS

Bought data using *111# but data never loaded so charged out-of-bundle rates. Queried this with call centre on 6 Dec 2015 and given reference number (S3 9062U U3F80) but still \pending\" when next invoice arrived, so called again on 16 Jan 2016 and given new reference number (S3 GK08N NNZ9). Next invoice arrived and still being charged for Vodacom's technical fault so called again on 8 Feb 2016 and told still \"pending\". During this time, Vodacom have publicly admitted to having technical issues with this, yet I am harassed by a computer generated phone call to \"pay up\", so many times a day and after hours that I view it as ************. I'm not paying for Vodacom's technical faults and I'm no longer tolerating intimidating phone calls, so Hello Peter"