bad bussiness ethics

It has been a full year and six weeks since Telkom mobile changed my tarrif plan WITHOUT MY CONSENT, I've made several desperate attempts to contact telkom mobile to have this rectified and every single person I speak to at Telkom Mobile seems to have been well trained to MASTER THE ART OF PASSING THE BUCK, <br> <br> on the 25th november 2015 I received a call from a Mr hlongwane claiming to be calling from telkom mobile and said that his supervisor has the access to rectify this and that the supervisor would start working on It after lunch, I feel that this may have been a PRANK CALL FROM TELKOM MOBILE as he has never ever called nor the supervisor and I'M STILL ON THIS DREADED TARRIF PLAN!!!