[Asterisk-Users] Sipura SPA-841 Volume Oscillation Problem

[Thierry Wehr]

Hello

Go back to the firmware before and all will be ok
or wait until the next one

Best Regards
Thierry 

> -----Message d'origine-----
> De : asterisk-users-bounces at lists.digium.com 
> [mailto:asterisk-users-bounces at lists.digium.com] De la part 
> de Vahan Yerkanian
> Envoyé : vendredi 8 juillet 2005 07:23
> À : Asterisk Users Mailing List - Non-Commercial Discussion
> Cc : sipura-support at external.cisco.com
> Objet : Re: [Asterisk-Users] Sipura SPA-841 Volume Oscillation Problem
> 
> Greetings,
> 
> I'm experiencing the same problem. It manifests itself mostly 
> in noisy environments - as soon as there is some increase of 
> the ambient noise the volume in the headpiece or the 
> "speakerphone" decreases immediately, and starts to randomly 
> increase/decrease for some time after the ambient noise gets 
> low. This is 100% repeatable if you start the conversation by 
> using speakerphone. As soon as you switch to the handset, the 
> defect disappears. Now the problem is that 5% of calls via 
> headset have the same problem.
> 
> I am using the latest firmware for the SPA-841.
> 
> Javier Ergas wrote:
> > Hi all,
> > 
> >  
> > 
> > The problem is on the volume of the voice sent by the 
> SPA-841. I think 
> > the echo cancel algorithm sets a limit to the microphone 
> when detects 
> > sounds or noise from the earphone. This problem generates an 
> > oscillation on the voice volume sent by the phone and even turns it 
> > off completely for very little lapses of time making the 
> communication 
> > very uncomfortable. I manage three different implementations with 
> > Asterisk and Sipura SPA-841 on different clients and network 
> > topologies, and on every one we are experiencing the same situation.
> > 
> >  
> > 
> > Thanks,
> > 
> > jergas
> > 
> >  
> > 
> > 
> > 
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