called me saying they were from the cba and a charge had been made on my aacount, started to say something lse but i said good luck with that i do not have a CBA account.

Hangs up when answered which is a great trick used by some companies as a loophole to the do not call registry in that they bank on your curiosity to know who called and why ... so technically you called them and boom, they have you as a customer. Not this little black duck suckers