[PLUG] VOIP phones for Asterisk

[Aaron Burt]

On Wed, Sep 28, 2011 at 01:14:26PM -0700, Patrick J. Timlick wrote:
> I tried to connect an analog line to asterisk, with a linksys  little box
> and then a relatively expensive PCI card but I had terrible echo on my line
> which caused me to give up.

Echo cancellation can be a bear.  Which PCI card?

> Commodity VOIP numbers are dirt cheap compared to PSTN.  Running mine over a
> ADSL line is usually as good quality as an analog line, although there are
> occasional glitches.  There are those that believe you need a better
> internet connection to run reliable VOIP.

A little QOS goes a long way.  Of course, bandwidth restriction at the
gateway helps a lot.

I noticed your email address.  You go to any IEEE meetings?