Call Centre - no faith in resolving my issues

<p>I am awaiting a credit on my account due to a data investiagation. The credit as passed and i received a letter from Candice Peterson from the advanced Data department, ref: 1- ********** 5703.</p> <p> </p> <p>I phoned today as i am now getting phone calls from the collections department demanding money. I was transfered 5 times to 5 diffrent people of which i had to explain things 5 times . Eventually i gave up and now am writing this. </p> <p> </p> <p>Please sort this out.</p> <p> </p> <p>I also requested a migration on my 083 number and now i see i have been double charged? </p> <p> </p> <p> </p> <p> </p>