Hi Juan,<div><br></div><div>For the benefit of anyone else that has the same problem in the future, do you know which settings helped the most?</div><div><br><div class="gmail_quote">On 26 June 2012 15:27, Juan Pablo L. <span dir="ltr"><<a href="mailto:jpablolorenzetti@hotmail.com" target="_blank">jpablolorenzetti@hotmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
thanks Eugene for all these suggestions, i followed them and they helped a lot.<br>
the situation has improved and i think i found the root cause of this issue in the softphones.<br>
thanks everybody for all your help.<br>
<br>
----------------------------------------<br>
> Date: Tue, 26 Jun 2012 09:32:57 +0300<br>
> From: <a href="mailto:shcherbatyuk@belrosbank.by">shcherbatyuk@belrosbank.by</a><br>
<div class="im HOEnZb">> To: <a href="mailto:freeswitch-users@lists.freeswitch.org">freeswitch-users@lists.freeswitch.org</a><br>
> Subject: Re: [Freeswitch-users] softphones and background noise<br>
><br>
</div><div class="HOEnZb"><div class="h5">> Hello,<br>
><br>
> We had a number of sound quality issues with our softphones. We could<br>
> decuce some causes for that. Often quality of sound was affected by a<br>
> combination of them. Here is a something like a checklist:<br>
><br>
> -- Softphone codec implementation is not that great. (Try different<br>
> codecs and/or softphones)<br>
> -- Softphone echo cancellation introduces noise (turn off soft echo<br>
> cancellation)<br>
> -- Transcoding issues at the softphone side.<br>
> -- Number and order of softphone codecs are different from these of VOIP<br>
> server (make them the same);<br>
> -- Noise is generated due to sound card/OS sound equalizer(mixer)<br>
> misconfiguration (turn off any effects, see that mic is not echoed to<br>
> speakers, etc., etc., etc.)<br>
> -- User PC is overloaded ('weak' CPU, little of RAM, RAM spooling, too<br>
> many open windows/processes, greedy antiviral software etc.)<br>
> -- Weared out and/or buggy headsets.<br>
><br>
> Hope this will help.<br>
><br>
><br>
> On 25/06/12 19:19, Juan Pablo L. wrote:<br>
>><br>
>><br>
>> Good morning, i m having lots of issues with softphones, when a call<br>
>> is initiated/terminated to a softphone the background noise is too<br>
>> high that you can hardly hear the actual voice. i have played around<br>
>> with VAD and CNG turning them on and off in the profile and/or the<br>
>> dialplan but i have not had any luck. it does not matter if the call<br>
>> is internal or goes through a gateway, it is however, worse when it<br>
>> goes through a gateway, those are the cases you can not even hear the<br>
>> voice for so much noise and when the call is to a next extension the<br>
>> background noise is high but not as high. But, if you<br>
>> initiate/terminate the call to a hardphone (like polycom phones) the<br>
>> call is perfectly clear in all cases (except when the other end is an<br>
>> internal softphone). can someone please give me a hint. thanks a<br>
>> lot!<br>
><br>
><br>
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