Have had a similar problem. Have been called (English number !!) many times (with different numbers). They hang up very quick. You see that you have missed a call and you call back.Then you get a tape from some kind of troubleshooter at a callcenter (or whatever conversation they have at that time) and you start to talk to them, but nobody responds. ==> Don't call back! Cost me 34 euro's for 2 minutes !!
No it starts with a Dutch number. I have been called 17 times in 1 hour. Nobody can help me, because they call me with different numbers each time.
Henk (Langcat)