RVN not been sent

<p>I am living abraod and do online internet banking. Suddenly I am not receiving notificating when I log on to my account and Do not get my RVN number via my cell as I have been for the past 2 years. 16 calls later and over R2000 on international calls. I still have not got this problem sorted. The call centre admitts they have done a system upgrade. Someone has not done there job and I cant do my internet banking from abroad. My service provider abroad has checked everything and all fingers point back to the bank. Its a technical problem at my cost. Numbers were left out on the cell number, I dont get my emails, but the call centre confirms all the details are correct. NOW WHAT NOW!!! this is pathetic</p>