[asterisk-dev] Building an embedded Asterisk PBX

Kannaiyan Natesan gbpnkans at gmail.com
Sat Sep 2 06:23:53 MST 2006


Getting Ready.
Asterisk on Blackfin is getting ready.

http://www.rowetel.com/ucasterisk/

I guess this will  beat all the available hardware to get in a box.

Regards,
Kannaiyan

On 9/2/06, Greg Boehnlein <damin at nacs.net> wrote:
> On Sat, 2 Sep 2006, David Rowe wrote:
>
> > > Can I ask.. are the FXO and FXS modules off the shelf or custom?
> >
> > Sure. They are custom designs (i.e. we entered the schematics, laid out
> > the PCBs etc), but the circuits are pretty much straight out of the
> > Silicon Labs data sheets.  The schematics/PCB designs are on my site if
> > u would like to check them out.
>
> With regards to echo cancellation, it is my opinion that it is 100%
> neccessary to have hardware based echo cancellation on any piece of
> hardware that will be deployed in a customer scenario. In all of my
> experiences, I have finally come to the conclusion that the Software Echo
> cancelling routines in Asterisk are just not acceptable enough to deal
> with, and eliminate all forms of echo. I.E. some echo and artifacts always
> remain. As a result, I have made the decision to deploy all hardware based
> Echo cancelling cards.
>
> Do you think the blackfin STAMP has enough horsepower to enable carrier
> grade echo cancelling? Or is there an easy way to include a DSP based Echo
> canceller into the system?
>
> > _______________________________________________
> > --Bandwidth and Colocation provided by Easynews.com --
> >
> > asterisk-dev mailing list
> > To UNSUBSCRIBE or update options visit:
> >    http://lists.digium.com/mailman/listinfo/asterisk-dev
> >
> >
>
> --
>     Vice President of N2Net, a New Age Consulting Service, Inc. Company
>          http://www.n2net.net Where everything clicks into place!
>                              KP-216-121-ST
>
> _______________________________________________
> --Bandwidth and Colocation provided by Easynews.com --
>
> asterisk-dev mailing list
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-dev
>



More information about the asterisk-dev mailing list