missing payments

hi there, I have made a transaction on first of June to a Nedbank account, I have only received an sms confirmation, I then received a call from the recipient to say that they still have not received a payment from me. I also made a different payment to laboratory on 8th July, to Nedbank account and it still does not show on my transaction history, what I have observed is that all Nedbank payment are not going through. the amounts are being deducted from my account balance. I called fnb to find out about these transaction, i'm not getting any joy, I am being send from pillar to post, I spend hours on the phone and they only send me to consultants that are unable to assist me. when I was holding for technical the phone just went off... one of my call ref is RD***