[asterisk-users] Asterisk with SC440 Dell(Big Problem)

[Edwin Quijada]

> Date: Fri, 31 Oct 2008 11:39:43 +0200
> From: tzafrir.cohen at xorcom.com
> To: asterisk-users at lists.digium.com
> Subject: Re: [asterisk-users] Asterisk with SC440 Dell(Big Problem)
>
> Hi
>
> On Fri, Oct 31, 2008 at 03:35:23AM +0000, Edwin Quijada wrote:
>>
>> I have a Dell SC440 with Centos and Asterisk 1.4.21 and a card openvox
>> D110PG, T1, when a person calling from the PTSN will listen to them
>> but then begins to distort the voice I heard that name.
>
> This symptom is not clear to me at all. Calls from PSTN to where,
> exactly? What devices? Directly to Asterisk (voicemail, echo test)? To
> a SIP device? What about calls that don't go through the card?
>
One person call from PTSN the extension redirect the call to says a few messages just for test. 
I tested to passing the call to SIP extension I could heard the  person fine in the SIP extension but the person heard so much noise like echo but no echo.
He heard the voice like a robot.


> What do you see on zttest -v ?

[root at pbx-union ~]# zttest -v
Opened pseudo zap interface, measuring accuracy...

8192 zaptel samples in 8190.848 system clock sample intervals (99.986%)
8192 zaptel samples in 8190.328 system clock sample intervals (99.980%)
8192 zaptel samples in 8190.705 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.744 system clock sample intervals (99.985%)
8192 zaptel samples in 8190.704 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.736 system clock sample intervals (99.985%)
8192 zaptel samples in 8190.760 system clock sample intervals (99.985%)
8192 zaptel samples in 8190.728 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.728 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.728 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.736 system clock sample intervals (99.985%)
8192 zaptel samples in 8190.647 system clock sample intervals (99.983%)
8192 zaptel samples in 8190.752 system clock sample intervals (99.985%)
8192 zaptel samples in 8190.728 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.735 system clock sample intervals (99.985%)
8192 zaptel samples in 8190.720 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.720 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.720 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.728 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.728 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.728 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.695 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.729 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.745 system clock sample intervals (99.985%)
8192 zaptel samples in 8190.720 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.720 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.728 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.712 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.736 system clock sample intervals (99.985%)
8192 zaptel samples in 8190.712 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.712 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.720 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.744 system clock sample intervals (99.985%)
8192 zaptel samples in 8190.711 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.759 system clock sample intervals (99.985%)
8192 zaptel samples in 8190.721 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.736 system clock sample intervals (99.985%)
8192 zaptel samples in 8190.728 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.736 system clock sample intervals (99.985%)
8192 zaptel samples in 8190.711 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.656 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.672 system clock sample intervals (99.984%)
8192 zaptel samples in 8190.840 system clock sample intervals (99.986%)
8192 zaptel samples in 8190.744 system clock sample intervals (99.985%)
--- Results after 44 passes ---
Best: 99.986 -- Worst: 99.980 -- Average: 99.984363, Difference: 99.984363

>
> What version of zaptel do you use?

1.4.12.1




>
>> I probe the card in another computer and it works perfectly. Anyone
>> has any idea or help.
>> Install Debian on this server and the same thing happened to me.
>
> Both Centos and Debian Etch have a kernel based on 2.6.18 . OTOH, latest
> versions of Etch also include kernels based on 2.6.24 (the etchanahalf
> kernel, if I spell that correctly). Maybe also try that?

I tested with Debian Lenny 2.6.26 kernel and I get the same. 
This is my kernel now 2.6.9-78.0.5.ELsmp

I tried both and nothing! :(

>
> --
> Tzafrir Cohen
> icq#16849755 jabber:tzafrir.cohen at xorcom.com
> +972-50-7952406 mailto:tzafrir.cohen at xorcom.com
> http://www.xorcom.com iax:guest at local.xorcom.com/tzafrir
>
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