Why suspend my line on your system when I paid n dont owe anything

I had a problem with telkom I skipped one month of payment due to serious fanancial problems,then paid but never opened my line evn after paying ,untill I wrote to Helo Peter then my line was opened I have been a loyal client to telkom for years never missed a month until this incident.Now that my line was opened I tryed to upgrade since I lost my cell but I cnt the oparator who was helping me with an upgrde said accourding to their system m still suspended which means I cnt upgrade.Kindly help with the department handling this, m a good client in this company for year, cn they kindly update the system that I have paid so I cn be able to upgrade with telkom again.Thanx