[Freeswitch-users] softphones and background noise

Tue Jun 26 19:26:19 MSD 2012

Hi , i think it was a combination of factors:
1. reordering the codecs in the softphones, so for example, i noticed my gateway
always uses GSM 8K so i made the softphone send that codec at the top of its list
2. removing echo cancelling (and/or reduce background noise) on the softphone helped too
3. lowering the mic volume helped too.

i hope this helps. regards and thanks for all your help.

________________________________
> Date: Tue, 26 Jun 2012 16:10:47 +0100 
> From: andrew at cassidywebservices.co.uk 
> To: freeswitch-users at lists.freeswitch.org 
> Subject: Re: [Freeswitch-users] softphones and background noise 
>  
> 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<mailto: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<mailto:shcherbatyuk at belrosbank.by> 
>  > To:  
> freeswitch-users at lists.freeswitch.org<mailto: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! 
>  > 
>  > 
>  > ========================================================= 
>  > 
>  > Данное сообщение и любые вложения («Сообщение») являются  
> конфиденциальными, предназначенными исключительно для адресатов, и  
> могут содержать сведения, охраняемые в соответствии с  
> законодательством. Любое несанкционированное использование или  
> распространение Сообщения запрещено. Электронная почта не гарантирует  
> подлинности Сообщений. Ни ЗАО "АКБ "БЕЛРОСБАНК", ни любые его  
> подразделения или дочерние организации не несут ответственности за  
> Сообщение в случае его подмены, изменения либо фальсификации. 
>  > 
>  > ========================================================= 
>  > 
>  > This message and any attachments (the “message”) are confidential,  
> intended solely for the addressees, and may contain legally privileged  
> information. Any unauthorized use or dissemination is prohibited.  
> E-mails are susceptible to alteration. Neither JSC “BELROSBANK” nor any  
> of its subsidiaries or affiliates shall be liable for the message if  
> altered, changed or falsified. 
>  > 
>  > ========================================================= 
>  > 
>  > _________________________________________________________________________ 
>  > Professional FreeSWITCH Consulting Services: 
>  > consulting at freeswitch.org<mailto:consulting at freeswitch.org> 
>  > http://www.freeswitchsolutions.com 
>  > 
>  >  
>  >  
>  > 
>  > Official FreeSWITCH Sites 
>  > http://www.freeswitch.org 
>  > http://wiki.freeswitch.org 
>  > http://www.cluecon.com 
>  > 
>  > Join Us At ClueCon - Aug 7-9, 2012 
>  > 
>  > FreeSWITCH-users mailing list 
>  >  
> FreeSWITCH-users at lists.freeswitch.org<mailto:FreeSWITCH-users at lists.freeswitch.org> 
>  > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users 
>  > UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users 
>  > http://www.freeswitch.org 
>  
> _________________________________________________________________________ 
> Professional FreeSWITCH Consulting Services: 
> consulting at freeswitch.org<mailto:consulting at freeswitch.org> 
> http://www.freeswitchsolutions.com 
>  
>  
>  
>  
> Official FreeSWITCH Sites 
> http://www.freeswitch.org 
> http://wiki.freeswitch.org 
> http://www.cluecon.com 
>  
> Join Us At ClueCon - Aug 7-9, 2012 
>  
> FreeSWITCH-users mailing list 
> FreeSWITCH-users at lists.freeswitch.org<mailto:FreeSWITCH-users at lists.freeswitch.org> 
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users 
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users 
> http://www.freeswitch.org 
>  
>  
>  
> --  
> Andrew Cassidy BSc (Hons) MBCS SSCA 
> Managing Director 
> [http://c1170247.r47.cf3.rackcdn.com/emailsig.png] 
>  
> T<mailto:info at cassidywebservices.co.uk> 03300 100 960   
> F<mailto:info at cassidywebservices.co.uk> 03300 100 961 
> E<mailto:info at cassidywebservices.co.uk> andrew at cassidywebservices.co.uk<mailto:andrew at cassidywebservices.co.uk> 
> W<mailto:info at cassidywebservices.co.uk> www.cassidywebservices.co.uk<http://www.cassidywebservices.co.uk> 
>  
>  
> _________________________________________________________________________  
> Professional FreeSWITCH Consulting Services: consulting at freeswitch.org  
> http://www.freeswitchsolutions.com FreeSWITCH-powered IP PBX: The  
> CudaTel Communication Server  Official FreeSWITCH  
> Sites http://www.freeswitch.org http://wiki.freeswitch.org  
> http://www.cluecon.com Join Us At ClueCon - Aug 7-9, 2012  
> FreeSWITCH-users mailing list FreeSWITCH-users at lists.freeswitch.org  
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users  
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users  
> http://www.freeswitch.org 