[asterisk-ss7] chan_ss7 Dead Air for ~20% of the calls

[Anton]

btw, in my case - i use chan_ss7 - could you please give 
more details regarding the cot tests?

On Friday 26 September 2008 15:55, Sam Murk wrote:
> it sound like to me that you are not passing cot test
> properly, most likely the ones preformed with the iam
> message.  When I was look through the libss7 code I could
> only see were it addressed and iam with cot test type 1
> not cot test type 2.
>
> -----Original Message-----
> From: asterisk-ss7-bounces at lists.digium.com
> [mailto:asterisk-ss7-bounces at lists.digium.com] On Behalf
> Of Anton Sent: Thursday, September 25, 2008 12:16 AM
> To: asterisk-ss7 at lists.digium.com
> Subject: Re: [asterisk-ss7] chan_ss7 Dead Air for ~20% of
> the calls
>
> I have to note that a while ago one edge of the problem
> was in IAX connections between systems - so IAX was
> giving oneway for a certin amount of calls - and
> switching to SIP resoved it - but now it might be just
> chan_ss7 related.
>
> On Wednesday 17 September 2008 21:43, Antoine Megalla 
wrote:
> > Hello,
> >  
> > I have an Asterisk SS7 installation used for a prepaid
> > card application. Everything is sort of working fine,
> > but I have a nagging problem:
> > for almost 20% of the calls the callers who dial in on
> > the SS7 lines are getting dead air, they cannot hear
> > the IVR prompts, no audio can be heard on the line
> > howerver if I enter the DTMF digits, the menus
> > continue, but still no audio in any IVR menu, for the
> > other 80% of the calls the system is working fine.
> > The setting is as follows:
> > Asterisk-1.2.24
> > asterisk-addons-1.2.7
> > Zaptel-1.2.20.1
> > libpri-1.2.5
> > chan_ss7-1.0.9
> >  
> > Red Hat Enterprise Linux Server release 5
> > kernel 2.6.18-8.el5xen
> >  
> > Digium TE410 card
> > 4 E1s are used, first E1 carries the signalling channel
> > on TS 16
> > I am not sure if this linked to chan_ss7 or zaptel, I
> > have no way for testing this, and everything looks good
> > on the console, no problems are reported.
> > I would appreciate it if anyone can point me in the
> > right direction for solving such a nagging problem.
> > Thank you and best regards,
> >  
> > Antoine Megalla.
> > SAND (S.A.E)
> >
> >
> >
> >
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