LAC 0 / paging to all BTS

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Holger Freyther zecke at selfish.org
Thu Oct 1 02:14:23 UTC 2009


On Wednesday 30 September 2009 14:49:21 Harald Welte wrote:
> Hi Zecke,
> 
> On Wed, Sep 30, 2009 at 01:37:42PM +0200, Holger Freyther wrote:
> > On Wednesday 30 September 2009 13:23:10 Harald Welte wrote:
> > > You are now redefiniing the LAC 0 to something like the opposite case,
> > >  which I don't particularly like.  Is there some alternative solution?
> >
> > I didn't think about the IMSI DETACH case. One easy alternative is to use
> > the other reserved lac value. With the least significant bit set 0 and
> > all others to 1 (so 0xfffe... ETSI always makes me unsure about it).
> 
> I think LAC = 0xfffe seems to be the way to go for paging of all BTS, wile
> we keep LAC = 0 for the 'user is detached' case.

Okay, I have added a change set, please check if you are okay with it.

holger




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