[Asterisk-Users] Beyond T1

[Arinze Izukanne]

E1 = 32* 64 channels = 2.048MB

Actually gives 30 channels used for voice and one -
frame alignment, the last signalling. In data
applications its 32 clear 64kb wide channels, all
data. (32*64=2048)k

Arinze


 --- Bruce Komito <brucek at bagel.com> wrote: 
> You can't run E1 on a circuit designed for T1. T1 is
> 24 x 64k = 1.5mb; E1 is 30 x 64k = 2mb
> 
> Bruce Komito
> High Sierra Networks, Inc.
> www.servers-r-us.com
> (775) 236-5815
> 
> 
> On Thu, 16 Sep 2004, Andrew Thompson wrote:
> 
> > Christopher Jacob wrote:
> > > All,
> > >
> > > This may be a stupid question, but here it is...
> > >
> > > What interface gives the most density? Do I top
> out at T1's? For instance, 4
> > > t1's to the Digium Quad span t1 card. Is there
> an interface available for T3
> > > or DS3?
> >
> > Depending on where you using the circuits, you
> might try an E1. It uses
> > the same total bandwidth as a T1(I think), but
> splits the channels at
> > 56K instead of 64K, yielding more channels. (And
> now I can't remember
> > the number.)
> >
> > I haven't heard of direct DS3 connectivity...
> >
> > Just stretching my imagination a little bit, you
> might be able to plug a
> >   DS3 into a H323 box, and then feed the IP-side
> of the calls to
> > asterisk....
> >
> > --
> > Andrew Thompson
> > http://aktzero.com/
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