On Tue, Oct 29, 2013 at 11:01:24PM +0100, Sipos Csaba wrote: > You mean the local end release being broken in the BTS? How can I find > this out? I see your point, that the release command has been sent, > but we never got any ACK or something like that back. But how is it > possible that it works for SAPI=0 and it does not for SAPI=3 ? These > units were used by big organizations to improve the indoor coverage, I > really don't think that the BTS or its firmware is wrong by design.
> > Maybe OpenBSC destroys SAPI=0 too fast, and there is not enough time > for this: Check rsl_release_sapis_from and the caller in _lchan_handle_release. First everything from 1 t X is released and the SACCH deactivated. Play with that, or attempt to get a trace of a Nokia BTS with a Nokia BSC and look at there release procedure. E.g. if order or release requests kinds are different.
