Phone card write-offs will have call records?

Users questions: Some people like to check my phone records. I know that mobile phone companies to retain records for 6 months can not eliminate, if the phone card write-offs will have call records? Even if card companies write off mobile leak
Experts answer: acquaintance can not have, ah, sure will. Because this is your interest, ah, you immediately eliminate a number, but Is 6 months you are a mobile user, of course, have the right within the time specified, then review the previous Shan, otherwise a user would complain Si certainly has. Internal staff is not easy to say the ah. . . . But now there are basically operating records of the conviction recorded. . . . If security, then there is no other way, there is Undertaking, thinking about how to check is to be found in theory.
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