Data retention question
ajb44.geo at yahoo.com
Fri Jul 18 16:03:10 BST 2014
Thanks, this is very helpful.
Graham Cobb g+ukcrypto at cobb.uk.net wrote:
> I know nothing about how the UK operators are set up, but I know a
> little about billing in mobile networks in general.
> For those operators who retain location for data use, they almost
> certainly take it from the "CDR" (call detail record) which is the
> notification sent to the billing system about any (potentially)
> chargeable event. That is consistent with the description you reproduced. > For voice calls, the CDR is normally only generated at the end of the
> call (except for very long-lived calls -- most networks will generate a
> CDR after 24 hours if the call is still going).
> [ more useful information snipped]
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