[Asterisk-Dev] Wildcard TE410P Question

[Domjan Attila]

Hi Steve,

We are interested your SS7 solution too.

Attila

On Sat, 2005-02-05 at 13:08 -0500, Ray Burkholder wrote:
> Hi Steve,
> 
> Do you have your SS7 module available for sale or rent yet?  I have an
> opportunity in Bermuda for it.
> 
> Ray.
> 
> Quoting Steve Underwood <steveu at coppice.org>:
> 
> > Paul Cadach wrote:
> > 
> > >Hello,
> > >
> > ><creslin at digium.com> wrote:
> > >  
> > >
> > >>I know that the framer does support some primitives
> > >>for doing SS7 signalling, but I do not they are enabled by default in the
> > driver
> > >>for the TE410P.
> > >>    
> > >>
> > >
> > >Framer used in TE405P/TE410P have builtin SS7-capable HDLC controller which
> > COULDN'T be used by current HARDWARE design
> > >in bus-mastering mode, only  by regular polling of framer's registers.
> > >  
> > >
> > Correct. The card's hardware design precludes the use of the hardware 
> > HDLC controller. However, this isn't really a problem when you only want 
> > to use one 64K slot for HDLC.
> > 
> > In our SS7 software for the TE405P/TE410P cards and Asterisk, we use the 
> > software HDLC built into the zaptel drivers, and deal with MTP and the 
> > higher layers in our userland code. The only problem with this, is the 
> > flood of FISU messages (tiny messages which occupy all idle time on SS7 
> > links), as there are so many. We modified the zaptel driver to mitigate 
> > this flood.
> > 
> > Another workable strategy would be to operate the zaptel driver in clear 
> > mode for the signalling channel, and do the HDLC stuffing in userland. 
> > Then you only need to deal with 50x20ms blocks of data per second.
> > 
> > Regards,
> > Steve
> > 
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> 
> 
> -- 
> Ray Burkholder
> http://www.oneunified.net
> ray at oneunified.net
> 441 505 7293
> 
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-- 
Domjan Attila <adomjan at tvnet.hu>