We are facing the same issue. Since yesterday Unipark has been running extremely slow. What a pity that we launched a survey yesterday. I have already tried to reach out the technical support but did not receive any answer. So please, Unipark, try to fix the problem and get in touch with us. It is extremely important.
By the way it is kind of frustrating that you only seem to have a 0900-… service number which causes tremendous costs and hence, is even not allowed to call to from my institution.