Hello. <br>I'm running some asterisks in a small voip provider in Brazil and we're having some problems with a analogic channel bank. <br>When I make calls using analogic extensions, I have a crystal clear quality, but the receptor have a lot of noise and echo. <br>
We tested the situation using SIP, E1 links, GSM links, analogic trunks (FXO ports) and we always have the same symptons<br><br>My configurations for /etc/asterisk/chan_dahdi.conf and /etc/dahdi/system.conf: <a href="http://www.pastebin.org/56678">http://www.pastebin.org/56678</a><br>
<br><br>Versions of software:<br>CentOS 5.4 final<br>Asterisk 1.6.2.0-rc2<br>Dahdi Linux 2.2.0.2<br>Dahdi Tool 2.2.0<br>Kernel 2.6.18-164.6.1.el5<br><br>Channel Bank Model: (Sorry, no english datasheet) <br><a href="http://www.cianet.ind.br/pt/channel_bank.php">http://www.cianet.ind.br/pt/channel_bank.php</a> <br>
<br>Any help is appreciated, <br>Thanks. <br><br><br>