if you were in the best place but no work to life with it and then get money by it, that place has no value 🙂
I hope I can, but what in the is name recommendation or indeed relation, is very important. i try more and more to find 🙂
if you see that i can help you in finding this problem, plez let know; i am ready.
as a suggestion for finding this problem; at first step, we need to access to datum of signalling layer in BSC of two oprators taht let us check both of them by protocol anaylzer and verify them by log files of both oprators drive test log files two sim cards) and check two networks nss settings for roaming and fundamental SIM settings.