On 2/12/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > On Sun, 12 Feb 2006, Steve Underwood wrote: > > I don't know about the Tellabs cancellers in particular, but I think any > > echo > > canceller built in the 80s will be a fairly poor performer. Many > > improvements > > in EC occurred in the early 90s, in response to the problems of earlier > > cancellers. Also, most older cancellers only cancel fairly short echo tails, > > as the compute needed for longer cancellation was expensive. > > > > On the other hand, they may be adequate for your needs, and are cheap. > > the tellabs you find on ebay were not built in the 80s. they have 64ms and > 128ms echo tails. >
How do you know which ones I'm talking about? read up: http://www.voip-info.org/wiki/view/Tellabs+Hardware+Echo+Cancellers _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- Asterisk-Users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
