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Difficulty with echo and quality on PSTN calls with SPA3000

This is a discussion on Difficulty with echo and quality on PSTN calls with SPA3000 within the uk.telecom.voip forums, part of the Newsgroup Forums category; Andrew Gabriel used his keyboard to write : [color=blue] > > I've never had this echo problem on any ...


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  #11 (permalink)  
Old 01-04-2008, 20:14
Jono
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Posts: n/a
Default Re: Difficulty with echo and quality on PSTN calls with SPA3000

Andrew Gabriel used his keyboard to write :
[color=blue]
>
> I've never had this echo problem on any of
> the SPA3000's I have in use.[/color]

Can you post yolur config somewhere?
[color=blue][color=green]
>>
>> I have a copy of spa3000-3-1-20GW.bin if you need it.[/color]
>
> Still on linksys's website. Don't know if this URL will work in
> someone else's session -- if not, follow links for support and
> select product
>
> <[url]http://www.linksys.com/servlet/Satellite?c=L_CASupport_C2&childpagename=US%2FLayout&cid=1169083367861&packedargs=sku%3DSPA3000&pagename=Linksys%2FC[/url]
>
>[/color]

They must've put it back since I posted! P'rhaps they read this NG..

The link does work

[color=blue]
> I'm running 3.1.10 on all mine (and have had many earlier versions
> on them too). Didn't actually know there was anything later until
> you mentioned it -- they seem to have stopped updating the old
> sipura website.[/color]


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  #12 (permalink)  
Old 03-04-2008, 11:54
Marc Zirnheld
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Posts: n/a
Default Re: Difficulty with echo and quality on PSTN calls with SPA3000

D'apres David Floyd <david@floyd.org.uk>,
dans le forum uk.telecom.voip...
[color=blue]
> Apparently the person I call hears me fine and I can hear them OK, but I
> get an echo form my own voice and sometimes a bit of breaking up when
> both parties cross talk.[/color]

Did you adjust the line impedance settings ? Both for FXO and FXS ?


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  #13 (permalink)  
Old 04-04-2008, 08:32
David Floyd
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Posts: n/a
Default Re: Difficulty with echo and quality on PSTN calls with SPA3000

In message of Thu, 3 Apr 2008, Marc Zirnheld writes[color=blue]
>D'apres David Floyd <david@floyd.org.uk>,
>dans le forum uk.telecom.voip...
>[color=green]
>> Apparently the person I call hears me fine and I can hear them OK, but I
>> get an echo form my own voice and sometimes a bit of breaking up when
>> both parties cross talk.[/color]
>
>Did you adjust the line impedance settings ? Both for FXO and FXS ?
>
>[/color]

Yes, but if you read other posts on this subject in the past as I have
now done, this is a known problem with making PSTN calls on a SPA3K

David
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  #14 (permalink)  
Old 10-04-2008, 13:40
Marc Zirnheld
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Posts: n/a
Default Re: Difficulty with echo and quality on PSTN calls with SPA3000

D'apres David Floyd <david@floyd.org.uk>,
dans le forum uk.telecom.voip...
[color=blue][color=green]
> >Did you adjust the line impedance settings ? Both for FXO and FXS ?[/color][/color]
[color=blue]
> Yes, but if you read other posts on this subject in the past as I have
> now done, this is a known problem with making PSTN calls on a SPA3K[/color]

That's right, but having good settings helps the echo canceller
operation, thus reducing (even if not totally eliminating) the
perceivable echo.


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