[Freeswitch-users] OpenZAP parse error [-3012] [Q931E_INVALID_CRV]

[Peter P GMX]

Thanks Helmut,

I cross-checked with our provider. They use national numbering plan for
our lines. So this didn't solve our problem.
I also ensured that the local language is DE and ZAP timing is dedicated
to span 1.

I changed the configs to debug mode for OpenZAP, so I hopefully will get
some more info on the next failure.

Best regards
Peter

Helmut Kuper schrieb:
> Hi Peter,
>
> it was simply a change in our TDM Voice Switch. It used a different
> numbering plan and we changed it to "national" to get it work with FS
> and openzap in Q921/Q931 mode.
>
> What I still search is a way to configure the numberplan in FS.
>
> To make it clear: In my case it didn't work from the second FS starts
> up. So this differs from your problem.
>
>
> To get an idea what's going on on the TDM link I used a TDM D-Channel
> monitoring device and traced the d-channel messages exchanged between FS
> and TDM. That should make it easier to see what's wrong when the
> problems occur.
> But you can also increase FS debug level to debug and trace the Q921
> and Q931 messages in FS console via fs_cli during runtime. You have to
> set this in openzap.conf.xml:
>
> <param name="q921loglevel" value="debug"/>
> <param name="q931loglevel" value="debug"/>
>
> Unfortunately FS doesn't decode the whole Q931 messages, but it shows a
> hex representation of the message, so you can manually decode it with
> this documents:
>
> Q.931: http://www.itu.int/rec/T-REC-Q.931-199805-I/en
> Q.921: http://www.itu.int/rec/T-REC-Q.921-199709-I/en
>
>
> I think for numberingplan issues you only have to track the Q.931
> messages.
>
>
> The last idea I have to get some light into your problem and to avoid
> manually decoding, try to convert FS's q931 hexdump into wiresharks pcap
> format. Wireshark should be able to decode it :)
> http://wiki.wireshark.org/Q.931
>
> Maybe it's a good idea to implement a wireshark export for those
> messages in FS. This will make debugging easy and cheap.
>
>
>
> Hope it helps a bit.
>
>
> regards
> helmut
>
> Am 15.01.2009 12:06, schrieb Peter P GMX:
> > Helmut,
>
> > can you give me a hint, how you worked around this?
>
> > Best regards
> > Peter
>
> > Helmut Kuper schrieb:
> >> Hi Michael,
> >>
> >> it must not be the case here, but I had the same error, when incomming
> >> calles used a wrong numbering plan resp not the one, FS expected.
> >>
> >> Just a hint.
> >>
> >> regards
> >> Helmut
> >>
> >>
> >> Am 15.01.2009 09:20, schrieb Peter P GMX:
> >>> Hello Michael,
> >>> how much $$ are we talking about? I need this issue to be solved
> quickly
> >>> and it's worth to spend some money.
> >>> I've read the following post:
> >>
> http://www.mail-archive.com/freeswitch-users@lists.freeswitch.org/msg05792.html
> >>> and have the same symptom with "after hundreds of calls I start to
> get b
> >>> channels that are stuck in states like "TERMINATING" or "HANGUP""
> >>> Best regards
> >>> Peter
> >>> Michael Collins schrieb:
> >>>>> I believe these are all symptoms of something that Stefan is working
> >>>>> on: better Q931 timers. It's been on the todo list for some time but
> >>>>> we've had absolutely NOBODY willing to pony up serious $$ to support
> >>>>> OpenZAP development which means it is progressing at the speed of
> >>>>> developers' free time.
> >>>>>
> >>>>> -MC
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