Telkom billing people without rendering services

Telkom ***** your customers money we have app**** for a 4meg line inlimited in October 2017. We got billed for it every month without installing or providing ANY services or equipment. We sat 2 hours this morning at the Telkom offices where we had to phone the USELESS callcentre and got promised that a agent will phone us back .... to NO SURPRISE nobody phoned as yet same as the previous 20 times they promised us as well!