iPhone 4 sending international SMS by its own!
I'm using Apple iPhone 4 having updated iOS 6 but for few days I'm facing problem of my balance money deduction. When I talked my service provider here in India i.e Idea Cellular, they told me that I'm sending international SMS to United Kingdom. But it's not true I'm not sending any international SMS to UK. Earlier I was not sure whether my phone is sending sms or my sim is sending but when I replaced my sim with another one the problem remained the same so I got confirmed that its a phone problem. Please resolve my problem as one international SMS is send every half an hour and it costs me Rs.5 each SMS.
Thanks
iPhone 4, Other OS, iOS 6