[Asterisk-bsd] Line problems with wcfxo driver

[Bill Harris]

The beeping isn't call waiting..  It's very short..  almost a chirp,
like some card is trying to compensate for gain or impedance...

Are there some docs on the Mark3 echo canceler, and it's options?

Bill


On Jul 8, 2006, at 1:35 PM, Aaron Seelye wrote:

> I'm not sure what the beeping is, other than possibly call- 
> waiting.  As for the echo, I found the MARK3 echo cancellation to  
> work best for me, but I've only tested a few of the available options.
>
> -Aaron
> ----- Original Message ----- From: "Bill Harris" <harrisb at rcisd.org>
> To: "Asterisk on BSD discussion" <asterisk-bsd at lists.digium.com>
> Sent: Saturday, July 08, 2006 11:24 AM
> Subject: [Asterisk-bsd] Line problems with wcfxo driver
>
>
>> I've been having trouble with a  X100P card.
>>
>> I'm running the latest svn trunk, on FBSD 6.1 with * 1.2.9
>>
>> Problems are, I hear beeping periodically on the line, and I'm
>> fighting the ever present echo issue.
>>
>> I've played with the rxgain and txgain, and I can get the =>PSTN
>> volume good, but the audio <=PSTN  is still noisy and the quick
>> beeps are annoying.
>>
>> Is it an impedance issue?  I've tried all variations of gain from +4
>> to -3, and can get the volume satisfactory, with minimal echo, but
>> it's just not as clear as an analog phone hooked to it.
>>
>> Could it be a taps issue?  I saw in the kernel modules it has either
>> 64 or 128 taps as default.
>>
>> Any help or pointers would be appreciated.
>>
>>
>> Bill Harris
>> harrisb at rcisd.org
>>
>>
>>
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>> Asterisk-BSD at lists.digium.com
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>
>
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Bill Harris
harrisb at rcisd.org