[Asterisk-Users] 100 analog phones?? HOWTO?

[Steven Critchfield]

On Tue, 2004-05-25 at 18:38, Jeff Gustafson wrote:
> On Tue, 2004-05-25 at 14:06, Steven Critchfield wrote:

> > > 	In theory Asterisk shouldn't have a lot of load.  It's simply routing
> > > calls (at 64kbit) and not converting them from one codec to another.
> > 
> > While there is no codec, there is echo canceling and there is servicing
> > the cards in a timely manner. So you need a pretty decent machine so it
> > can handle the timing, but it won't be slammed.
> 
> 	I noticed that one of the Adtran boxes can have an optional echo
> cancellation module.  When I asked a VAR about this they said it was a
> special order item that they never kept in stock.  According to the
> Adtran web site the module is designed for "packetized voice
> applications."  It sounds at though Asterisk wouldn't have to put cycles
> to echo cancellation with a module like this.  

Unless you do VoIP on something with a larger delay than your LAN, there
isn't much to worry about.

> 	I was also thinking that if I used more than one machine with TDMoE I
> could potentially have better performance. 

I still doen't understand why someone would do TDMoE when IAX provides
more flexibility. 
-- 
Steven Critchfield <critch at basesys.com>