[Asterisk-Users] Port density: DS3 cards?

[Jim Flagg]

----- Original Message ----- 
From: "Andy Hester" <cgadmin at conserogroup.com>
To: <asterisk-users at lists.digium.com>
Sent: Friday, December 05, 2003 12:58 PM
Subject: RE: [Asterisk-Users] Port density: DS3 cards?


> > >
> > >I talked to Imagestream this morning about the possibilites.  Their lead
> > >engineer said that there would be no way to do voice over their
> > DS-3 cards
> > >using software processing because it would take too much
> > processing power.
> > >It would be possible to do some custom design for their boards that
> > >incorpotates hardware processing, but he doesn't know of
> > anything currently
> > >available.  So unless there's something I/he missed, I guess the
> > answer is
> > >no on the DS-3.
> > >
> > >Andy
> >
> > I have no reason to disbelieve this report, but I will offer some
> > minor scepticism at this reply.  A well-equipped PC can currently
> > handle 8 T1 channels, and it seems that only the IRQ issue is causing
> > more channels to not be viable in the current TE410P environment.  It
> > would seem reasonable to think that a very well equipped PC (4-way,
> > 8-way?) would be able to handle the "processing power" requirements
> > of a DS3, whatever was meant by that statement.  Of course, there may
> > be other underlying issues specific to ImageStream that make this
> > impossible; I don't know.
> >
> > JT
> > _______________________________________________
> > Asterisk-Users mailing list
> > Asterisk-Users at lists.digium.com
> > http://lists.digium.com/mailman/listinfo/asterisk-users
> 
> The guy did leave open the possibility that he could be wrong, and said that
> he'd be glad to answer any further questions or if we had some other way of
> doing it.  If you or some of the others think that this should be possible
> then perhaps we could get together a list of more specific questions to ask.
> 
> Thoughts?

My thinking is that this is a typical answer from the voice equipment companies
that are use to doing voice processing in hardware DSPs.  I don't think they
know the capabilities of Asterisk.  I would suggest getting Digium involved.
If anyone can do it they should be able to.