It claims to have "carrier-grade algorithms" - don't glibly translate that to carrier grade hardware, it's a PCI card...<br><br>Rob<br><br><div><span class="gmail_quote">On 2/8/06, <b class="gmail_sendername">Matt
</b> <<a href="mailto:mattl@xgforce.com">mattl@xgforce.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">try sangoma carrier grade 104d hardware EC card. we're using it ourself.
<br><br>Best Regards<br><br>Matt<br>----- Original Message -----<br>From: "Anthony Rodgers" <<a href="mailto:Anthony_Rodgers@dnv.org">Anthony_Rodgers@dnv.org</a>><br>To: "Asterisk Users Mailing List - Non-Commercial Discussion"
<br><<a href="mailto:asterisk-users@lists.digium.com">asterisk-users@lists.digium.com</a>><br>Sent: Tuesday, February 07, 2006 12:57 PM<br>Subject: Re: [Asterisk-Users] TE411P Really Bad Echo<br><br><br>> For what it's worth, we have been going through very similar issues
<br>> with a TE411P - with Digium support, we have basically gone as far as<br>> we can with the HW EC, and are now using MG2 with much better results.<br>><br>> We have a Ditech EC box on order.....<br>><br>
> Regards,<br>> --<br>> Anthony Rodgers<br>> Business Systems Analyst<br>> District of North Vancouver<br>> Web: <a href="http://www.dnv.org">http://www.dnv.org</a><br>> RSS Feed: <a href="http://www.dnv.org/rss.asp">
http://www.dnv.org/rss.asp</a><br>><br>><br>> On Feb 7, 2006, at 7:36 AM, Matthew Fredrickson wrote:<br>><br>> ><br>> > On Feb 5, 2006, at 9:36 PM, Stagg Shelton wrote:<br>> ><br>> > > I just implemented a system using a TE411P hardware echo cancellation
<br>> > > card. Per Digium, I setup zaptel.conf, and zapata.conf the same way<br>> > as<br>> > > I always have. To my surprise calls out to the PSTN had a terrible<br>> > > echo. 1 - 2 second delay, and quite clear. The echo was so bad that
<br>> > I<br>> > > had to remove the hardware echo cancellation module from the card.<br>> > We<br>> > > are only using the 1st span of this card right now, and we have a<br>> > > tdm400p with 4 fxs modules installed as well.
<br>> > ><br>> > > If anyone has experience with this card, can you tell me if I am<br>> > > missing<br>> > > something.<br>> ><br>> ><br>> > 1 to 2 seconds?! That's ridiculously huge. I don't think you'll find
<br>> > a echo canceler anywhere that can fix your echo problem. If it gets<br>> > better with the VPM disabled, then definitely contact Digium<br>> > tech-support about it.<br>> ><br>> > Matthew Fredrickson
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