[Asterisk-Users] Is Asterisk suitable for this use?

[Tilghman Lesher]

On Sunday 23 November 2003 09:38, Harry McGregor wrote:
> On Sun, 2003-11-23 at 07:57, Andrew Kohlsmith wrote:
> > > Do you really want all those spans going down cause someone
> > > tripped over a power cable or your hard drive nukes itself?
> >
> > You usually don't worry about either of those problems when you've
> > got redundant power supplies and drives in the rackmount system in
> > a locked room.
>
> And redundant UPSs as well, two good sized UPSs can really help.  As
> far as cases go, I like the Bow cases (www.gogobow.com, you can buy
> some of them from www.newegg.com).
>
> > > We only use 2 TE410Ps in our systems and many servers.  This way
> > > you spread out the load and achieve redundancy at the same time.
> >
> > What do you use for servers?  What's the load like?  I wasn't aware
> > that PCI could handle 8 full PRIs of traffic.  What codecs are you
> > using?
>
> Sure, 8 PRIs are only 8x 1.5megabit x2 (ie all of it going out your
> network connection), that is 24 megabit.  33MHz 32Bit PCI can handle
> 132 MegaBytes/sec, so the PRIs (doubled) only account for a small
> amount of the bandwidth available.  Standard 33mhz/32it PCI can
> handle routing DS3 and OC3 level bandwidths.  I would recommend 33mhz
> or 66mhz 64bit PCI if you are going above that.

Unless I'm mistaken, there's another barrier you're going to hit before
that:  the zaptel drivers have a maximum of 252 channels addressable
(each channel gets its own device minor number and 4 device minors are
reserved in the driver for other purposes).

-Tilghman