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