calling line identification
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If Calling Line Identification is available, take advantage of it by
recording the calling number for each login attempt. Be sensitive to
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... login attempt. Be sensitive to
the privacy issues raised by Calling Line Identification. Also be
aware that Calling Line Identification is not to be trusted (since
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... privacy issues raised by Calling Line Identification. Also be
aware that Calling Line Identification is not to be trusted (since
intruders have been known to break into phone switches and forward
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