[Freeswitch-users] softphones and background noise

[Andrew Cassidy]

Hi Juan,

For the benefit of anyone else that has the same problem in the future, do
you know which settings helped the most?

On 26 June 2012 15:27, Juan Pablo L. <jpablolorenzetti at hotmail.com> wrote:

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