Dishonest or disingenious?

So the sage continuous. Very briefly:

I request Telkom to cancel an account Telkom does not comply with proper request and continues billing me I reverse a number of debit orders after notifying Telkom that I would do so Telkom continues billing me and debits charges relating to the returned debit orders Telkom's attorneys demand payment I send the attorneys relevant correspondences with Telkom Telkom reverse certain monthly charges and 2 debit orders and renders an invoice showing a credit balance- amount due to me I request Telkom makes payment of credit amount to me and finally closes the account No response from Telkom I again request refund payment No response from Telkom I again request refund payment and include a threat of legal action should payment not be forthcoming No response from Telkom 4 months later Telkom sends me an account showing a debit for 'charges' in the credit amount Amount now due R0 Seemingly account still active I again threaten Telkom with legal action Again no response from Telkom

While the pending legal process is a massive inconvenience to me (I live in New Zealand), the principle outweighs the inconvenience. Telkom's actions are ******** and clearly an attempt to avoid repaying me an amount due and payable to me. Makes me think that Telkom is unable or at best unwilling to pay its debts? Let's see what develops.