Telkom *****ing my money

This is now the second month I have been overbilled by this thieving company. After upgrading my line in October I was billed R1950 and after promises that at the end of November I will be billed the correct amount of R999 I again receive my invoice with an amount of R1600 instead of R999.

Whats going on do you take money every month from your unsuspecting clients hoping they would not check their invoices?

Please correct this as soon as possible I am waiting for the resolution on both my October and November invoices. Line number ********** 204 account number ********** 73