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@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.
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Date: Tue, 26 Jun 2012 09:32:57 +0300 From: shcherbatyuk@belrosbank.by To: freeswitch-users@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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