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GSM 11.11 - SIM Card Address Book Record Size

Forum Mobility Technologies : GSM - GSM 11.11 - SIM Card Address Book Record Size

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alastair   05-14-2004 at 02:36:12 PM

Archived from groups: alt.cellular.gsm (More info?)

 

Hi,
Does anybody know anything about the difference in address book record
size between two SIM cards from different networks? For example, a
T-Mobile SIM, from a few years ago, has a record size of 24 bytes and
a more recent Vodafone SIM has a record size of 28 bytes. I noticed
that there are four extra filler characters (FFh) after the name in
the Vodafone SIM. Can anybody explain this formatting so that I could
convert from one to the other? Is it detailed in any specification?
Any information about this will be appreciated.

Thanks.

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