The test is against regulatory bodies in some countries that allow only certain CLIs to be presented. IMSs is step farther away in the pipeline Adrian ///////// Hi Dani, Im not entirely sure about that random number problem you are trying to solve, but I think it's not currently possible. You may try looking into avops module though... Yet I have another couple of questions: 1. Are you trying to test an IMS platform? 2. If, yes, then which one? Andrey.