[asterisk-users] Re: Volume events causing talk off on Asterisk withDigium 411P

[Steven]

What were the proposed changes to VPM_DEFAULT_DTMFTHRESHOLD ?

-- 
-- 
Steven

http://www.glimasoutheast.org



  "Servetas, Andrew" <andrew.servetas at dirigosoft.com> wrote in message news:28289145AD231E418DB8CABE0BE392AA016F8176 at casco.stroudwater.net...
   

  We are experiencing random talk off events when we hear a loud volume event on the PSTN side of our calls.  We do not always hear the spurious DTMF, but I can see it in the console when I have the debug and verbose levels turned up.  We do however always have the associated brief periods of silence that immediately follow.  Sometimes they are only a matter of seconds, other times they can be as long as a minute.  We hear it most often if the remote party is on a cellular phone with a lot of background noise, or if a loud noise happens during the call.  Neither party can hear the other when this happens.  It almost reacts like an AGC circuit is muting the call.

   

  We are using a Digium TE411P quad-span T1 card on 1.2.5.  I called Digium support and we have played with the VPM_DEFAULT_DTMFTHRESHOLD in the WCT4XXP.C driver as recommended, and all the RELAXDTMF and GAIN settings in Zapata.conf are set according to their recommendations.

   

  Has anyone else experienced this, and if so, what have you done to correct it?

   

  Andy Servetas

  CTI Support Engineer

    

  Dirigosoft Corporation

  Portland, ME

   

  www.dirigosoft.com  

   



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