Customer service nightmare, accounting department is a joke.

I have requested a refund for a credit i have since last year December. Then nobody contacted me to explain that the the extra fibre unit sent to me neef to be returned. It was done in January. Then called again i was told it will paid out in 7-14 days into my account. Its been almost 20 days. I called Wednesday again and i was told it will be paid in 24 hours nothing happend and i called again today now i was told the payment is on hold worst damn after market service ever. Nobody sorts out tour problem just pass the buck and my money is still not refunded bad services again.