ACCOUN PROBLEM

I HAVE AN ACCOUNT WITH VODACOM THAT WAS HANDED OVER TO MBD FOR COLLECTION, I HAVE MADE TWO PAYMENTS TO MBD AND NOW I HAVE ANOTHER COLLECTION AGENCY THAT IS COLLECTING ON THE SAME ACCOUNT.<br> I CALLED VODACOMS LEGAL DEPARTMENT AND ASKED THEM TO RECTIFY THE MATTER BECAUSE I CANNOT PAY TWO AGENCIES FOR ONE ACCOUNT HOWEVER I WAS TOLD TO CALL MBD AND TELL THEM TO CLOSE THE ACCOUNT ON THEIR SIDE WICH IS NOT MY RESPONSIBILITY.I NEED THIS MATTER SORTED OUT ASAP BECAUSE I DO NOT KNOW WHICH AGENCY TO PAY BECAUSE THE TW AGENCIES ARE GIVING ME TWO DIFFERENT AMOUNTS.IM EXTREMELY UNHAPPY WITH VODACOMS INCOMPETENCE