[PLUG] VOIP phones for Asterisk
Aaron Burt
aaron at bavariati.org
Wed Sep 28 21:29:02 UTC 2011
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?
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