[asterisk-ss7] chan_ss7 one way audio through random CIC

[Anton]

Nico,

Do you think it's time to give libss7 another try? My last 
test (3-4 month ago) gave terrible results - links did not 
restart automatically , channel was dying accidently and 
unexpectedly and so on.

Anton.

On Wednesday 14 November 2007, asterisk at nicox.org wrote:
> I used chan_ss7 for months, and i writed a script which
> is dialing every 30 minutes and send dtmf-tones in each
> direction to restart automatically if this error happens.
>
> Now i'm using libss7 which in the subversion revision 125
> is working much more stable than chan_ss7
>
> Please let me know if you find something where the error
> could happen.
>
> My things i seen was:
>  	IAX is not the Problem.
>  	SIP is not the Problem.
>  	chan_ss7 gets the audio data from asterisk, it seems
> but i see no audio data in zaptel, so i think chan_ss7 ->
> zaptel is the problem, but i could not find where
> exactly, i'm sorry.
>
>
> Nico
>
> On Tue, 13 Nov 2007, Anton wrote:
> > BTW, I just had a one-way audio situation on one ss7
> > link while using SIP.
> >
> > On Friday 09 November 2007, Anton wrote:
> >> I could speculate that IAX in conjunction with
> >> chan_ss7 - leads to that behavior - breaks something
> >> or so. - Try SIP... And please let know if behavior
> >> reappear.
> >>
> >> On Friday 09 November 2007, Dawid Kerad wrote:
> >>> Yes, I have IAX2 trunks on this server, I can change
> >>> them to SIP trunks, but when any CIC in SS7 link gets
> >>> this "strange" state, even looped calls SS7-SS7
> >>> through this CIC have one way audio - incoming,
> >>> outgoing audio direction is silent ...
> >>>
> >>> - Dawid
> >>>
> >>> 2007/11/8, Anton <anton.vazir at gmail.com>:
> >>>> Do you use IAX on this server? If so try SIP
> >>>> instead, let know here if so...
> >>>>
> >>>> But a some noticed this behavior before, including
> >>>> me, and now I'm not sure what was the reason, IAX or
> >>>> chan_ss7
> >>>>
> >>>> On Thursday 08 November 2007, Dawid Kerad wrote:
> >>>>> Helo,
> >>>>>
> >>>>> I have a problem with one way audio using chan_ss7,
> >>>>> this problem occures randomly after a few weeks of
> >>>>> work and many calls, and appears in not
> >>>>> transferring audio in outgoing direction on
> >>>>> selected channel.
> >>>>>
> >>>>> When it happens all next calls through this channel
> >>>>> has one way audio, meaningless from which side this
> >>>>> call was initiated. there are no notices in logs,
> >>>>> and helps only restart of chan_ss7 module.
> >>>>>
> >>>>> Does anyone noticed such problems and maybe solved
> >>>>> it? Please send me some advices where to start
> >>>>> debugging, but this problem is very hard to
> >>>>> simulate ... I have asterisk 1.4, chan_ss7 0.9 and
> >>>>> Digium card TE410P
> >>>>>
> >>>>> - Dawid
> >>>>
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> >>
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