Truly Bad customer service

Evertime we call they know it's so expensive and then the put u through to a machine that waste your airtime then finally when you got through to a consultant that verify you details and contact no.then they also put you on hold for another 15-20 min for a mistake on there side which we the customer pay for a service much much more than just a curtisy return call that will cost nothing almost to the there company and this happens with all of us everytime and I have been calling them since Saturday night till Sunday night no return call from no consultant and I did ask them to after the fault was on there system every time a called wasted my money there system sent through an error