[Asterisk-Users] Port density: DS3 cards?

[Matthew WInther]

Imagestream is really not the company to look to for this kind of
solution.  They are not really interested in selling anything other than
their complete routers from what i can tell.  
Sangome will have a DS3 card out shortly I believe.  It should have the
capability to work down to the DS0 level from what I recall.  I know for
sure it will be capable of channelized DS3 (1 ds3 to 28T1s).
Seems to me that the voice signal processing on 672 DS0s might be a
little touch for todays PC type processors, this is purely speculation
though.  

Matt

On Fri, 2003-12-05 at 11:37, Sam Bingner wrote:
> Well, we know that we would be able to handle a partial DS3... assuming such a
> thing is possible.  Wouldn't people prefer a partial DS3 for say... 12T1's to
> no way to do that many?
> 
> Why not just try to get the card working, then testing would show exactly how
> much data could be handled...
> 
> Actually, we should be able to get a pretty good idea on that by using two
> gigabit interfaces and VoIP?
> 
> Sam
> 
> 
> Quoting Andy Hester <cgadmin at conserogroup.com>:
> 
> > > >
> > > >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?
> > 
> > Andy
> > 
> > _______________________________________________
> > Asterisk-Users mailing list
> > Asterisk-Users at lists.digium.com
> > http://lists.digium.com/mailman/listinfo/asterisk-users
> > 
> 
> 
> 
> 
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