[Asterisk-Dev] PRI Error with EWSD Switch

[Michael Procter]

You could try Q.921 and Q.931.  Register with the ITU and they let you download 3 specs for free.

www.itu.int

Michael

> -----Original Message-----
> From: Steve Hanselman [mailto:SteveH at brendata.co.uk]
> Sent: 20 July 2004 16:44
> To: 'asterisk-dev at lists.digium.com'
> Subject: RE: [Asterisk-Dev] PRI Error with EWSD Switch
> 
> 
> I've added code to zaptel.c, I think the issue is at a lower 
> level than the
> PRI code.
> 
> Do you have a pointer to a good reference document for PRI 
> Q.921/Q.931, I
> need to understand the flows and states?
> 
> Steve
> 
> 
> -----Original Message-----
> From: James Golovich [mailto:james at wwnet.net] 
> Sent: 20 July 2004 14:57
> To: 'asterisk-dev at lists.digium.com'
> Subject: RE: [Asterisk-Dev] PRI Error with EWSD Switch
> 
> If your adding code to libpri to do this, please use the 
> facility that I
> already made available.  Uncomment the LIBPRI_COUNTERS line in
> libpri/Makefile then add the code to display the info to
> pri.c:pri_dump_info()
> 
> James
> 
> On Tue, 20 Jul 2004, Steve Hanselman wrote:
> 
> > I'm adding in counter code as we speak so I can get a handle on what
> errors
> > are being generated on what spans, these will be shown in 
> /proc/zaptel
> > 
> > I'll call them 1,1a,1b,1c.... :)
> > 
> > Steve
> > 
> > 
> > -----Original Message-----
> > From: Holger Schurig [mailto:hs4233 at mail.mn-solutions.de] 
> > Sent: 20 July 2004 08:07
> > To: asterisk-dev at lists.digium.com
> > Subject: Re: [Asterisk-Dev] PRI Error with EWSD Switch
> > 
> > > Well, you've kicked me into activity (shame it's nearly 
> time to knock
> > > it on the head), ok, 8 is a bad FCS i.e. checksum error, we've an
> > 
> > I think the ISDN people love numbers way too much. Can't 
> the software 
> > simply say "frame checksum error?" so that people that have 
> not read 
> > Q.391 as bed lecture know what is going on?
> > 
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> strictly prohibited. If you have 
> received  this communication in error, please notify Brendata 
> immediately on: 
> 
> +44 (0)1268 466100, or email 'technical at brendata.co.uk' 
> 
> Brendata (UK) Ltd
> Nevendon Hall, Nevendon Road, Basildon, Essex. SS13 1BX  UK
> Registered Office as above. Registered in England No. 2764339
> 
> See our current vacancies at www.brendata.co.uk
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