[Bug 322] New: gsmd phonebook cache and OTA updates to ADN/FDN/SDN

bugzilla-daemon at bugzilla.openmoko.org bugzilla-daemon at bugzilla.openmoko.org
Thu Mar 29 06:19:13 CEST 2007


           Summary: gsmd phonebook cache and OTA updates to ADN/FDN/SDN
           Product: Neo1973 Hardware
           Version: unspecified
          Platform: Neo1973
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: GSM Modem
        AssignedTo: sean_chiang at fic.com.tw
        ReportedBy: eric at ebj.us

If gsmd employs a cache to avoid repeated accesses to the SIM addressbooks there
is a danger that it will not be up-to-date if the SIM has had an OTA update.

In such circumstances the SIM should issue a REFRESH command to the GSM modem so
that it will be aware of the change. I am not familiar enough with 07.10 and GSM
modems to know if this REFRESH would be propogated to gsmd. If it is then we
should ensure that gsmd handles it and refreshes the cache.


1) Some operators provide a web interface to allow subscribers to send such OTA
updates to the addressbooks.

2) Older Nokia handsets had a mechanism which would read directly from the SIM
(ie pressing "1#" to read ADN record 1). Otherwise the handset uses its cached
version which would differ following an OTA on Phase 2 handsets which don't
support REFRESH. Maybe a similar approach should be adopted so the API allows
the cached version to be used or can force the entry to be read from the SIM.

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