I have this annoying problem when calling someone.

When I press call callmenu comes up normally and says "calling..."
but it actually starts calling+tuut sound after 30 sec of waiting.

Havent tried anything, but asking if anyone have had this and got it fixed or is reflash only option.

Thanks!

I also have 2 not so important problems that are
1. Last calls menu doesnt update.
2. I cant use half of my facebook contacts, it just says that I am offline but other half of them work just fine.
Firt problem is number 1 priority but if you can help me with others.. Thanks!

Yup, I've got this too sometimes. I was always inclined to think it was a network problem rather than something with the phone. I've experienced it even after a reflash, but only very occasionally.