On Tue, Nov 24, 2009 at 11:29 AM, Steve Howes <steve-li...@geekinter.net>wrote:
> > On 24 Nov 2009, at 13:05, jefferson alexandre wrote: > > 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. > > Does the channel bank have onboard echo cancellation? > Steve, the hardware don't have echo cancellation. Is a TDMoE hardware, plugged directly in asterisk using a straight cable. In asterisk side, the network card haven't auto negotiation, the speed is adjusted to 100mbps full duplex. All electrical sources and ground are ok.
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