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Dieter Spaar spaar at mirider.augusta.deHello Nordin, On Tue, 07 Jul 2009 16:31:36 +0200, "Nordin" <bouchtaoui at gmail.com> wrote: > > But this means that your HTC needs more relevant GPRS settings before > deciding to register. So it than searches for altenatives, but since the > BA list is empty it starts all over again and the whole process repeats, > which might result in a long procedure before it gives up. This is what > it might could be the reason, I'm not sure. If the GPRS Indicator is set, SYSTEM INFORMATION 13 is needed to describe the GPRS properties. But SYSTEM INFORMATION 13 is not set yet (not possible for the BS-11 anyway) so the phone won't find it. Probably some phones don't care about it but some others insist to find it before going to register. This is probably one of the many places where there is no rule in the specification what should be done in such a situation so its up to the developer of the firmware (the phone could register and return an error only when GPRS is actually needed for a data connection). Of course I don't mean that the specification is incomplete, it just expects that certain things are done "right" (who would expect that people outside of the mobile phone industry play with a BTS ;-). Best regards, Dieter -- Dieter Spaar, Germany spaar at mirider.augusta.de