This is merely a historical archive of years 2008-2021, before the migration to mailman3.
A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/OpenBSC@lists.osmocom.org/.
Harald Welte laforge at gnumonks.orgOn Mon, Nov 02, 2009 at 11:03:42PM +0000, Dieter Spaar wrote:
> Hello Harald,
>
> On Mon, 2 Nov 2009 22:47:18 +0900, "Harald Welte" <laforge at gnumonks.org> wrote:
> >
> > This is actually very funny. According to the protocol, a RA update should
> > only be performed if the MS was/is already GPRS ATTACHED to this network
> > before. It clearly wasn't in this case, as the OpenBSC network never
> > offered GPRS support. Still, it tries it. That's why we're rejecting it.
>
> Not sure if I understand it in detail, from my understanding an RA Update
> is performed when the Routing Area has changed (or the periodic RA update
> timer has expired). So if the phone is already attached to a network,
> shouldn't we receive the RA update if it selects our new RA ?
a routing area change is a routing area change within one network. if it
enters a new network (different MCC/MNC), it needs to gprs attach to this
network first.
--
- Harald Welte <laforge at gnumonks.org> http://laforge.gnumonks.org/
============================================================================
"Privacy in residential applications is a desirable marketing option."
(ETSI EN 300 175-7 Ch. A6)