On Fri, Jun 12, 2009 at 9:32 AM, Helmut Kuper
<helmut.kuper@ewetel.de> wrote:
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Hello,
I just want to let you know, that I started some work on Q.931 TE state
timers in current openzap ozmod_isdn stack. The current stack has some
problems with freeing ressources when far end doesn't follow Q931 state
machine cleanly. On my side I mainly miss a RELEASE after sending
DISCONNECT and so m more and more channels are wasted over time.
Openzap Q931 stack has some preworked timer and state handling (in form
of Q931_UX states). Unfortunately it is disabled in source. I enabled
it, added some Q931_UX states to Q931StateTE.c, added a timeout handler
to ozmod_isdn.c and tested it with my special problem. In lab missed
RELEASEs are now detected and the corresponding channel is freed cleanly
- - hurray :)
I would like to put my work in openzap trunk as soon as it works stable
in production and FS board allows me to do so.
I can't promise that I will implement all timers for Q931 TE nor I plan
to work on Q931 NT timers.
As I said: Just for your information.
Have a nice weekend!
Helmut
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