Encryption in GSM Voice commincation

Posted by Prafulla on Stack Overflow See other posts from Stack Overflow or by Prafulla
Published on 2010-06-06T04:51:39Z Indexed on 2010/06/06 5:02 UTC
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encryption

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gsm

Is there end-to-end voice encryption in GSM ? If not, is voice communication between mobile handset and mobile base station, at least encrypted ? What keys are used there and which alogrithms ? any idea?

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