Phone caller ID problem
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Users questions: I met a strange thing, my friend has two phones, a Nokia 5200, 1380 inserted the card, there is a motor of the old models, insert the card 1590, the day before yesterday a caller calls a fixed phone first hit with 1380's numbers, there is no access, then he used 1590 The numbers make and receive calls, and yet the night in the mobile Internet self-check, but can not find the 1590 numbers with call records, the opposite is the number 1380 to have this calling records, how is this going on? We are surprised that mobile billing system that they can not be wrong, Telecom said their caller ID is being Indeed, this thing strange, apparently received a 1590 phone, but no phone records, did not answer the 1380 call, but there are phone records! Please boss how they help explain what's going on! Is phone can change the number? Is I use the 1380 numbers that call, but other calls can To show to become another 136,137 or 159 number?
Experts answer: use the wireless network of mobile (900m * 1800m) in the encryption and transmission of the vulnerable IMEI phenomenon. Your behavior is the network later. Lead to the terminal records the error. Normal (
Experts answer: use the wireless network of mobile (900m * 1800m) in the encryption and transmission of the vulnerable IMEI phenomenon. Your behavior is the network later. Lead to the terminal records the error. Normal (
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