DTMF Bad Detected - Nobody had been that problem????

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Yes, the pjsua-lib detected a dtmf but the callee never has pressed that digit.
It's randomly, sometimes function ok and sometimes not.
Perhaps is the codec that I'm using. 
I'm using PCMU/8000 codec.
Please help me.

Thanks
Jose
  ----- Original Message ----- 
  From: J?rg Schwarzenberg 
  To: pjsip list 
  Sent: Saturday, December 04, 2010 1:55 PM
  Subject: Re: DTMF Bad Detected - Nobody had been that problem????


  Hi!


    I've a problem with dtfm detection. I developed an application using pjsua-lib, my application makes a call and plays  a prompt, during the playing it can receive a dtmf and repeat that message. My problem is that I receive a dtmf but it never had been dialed. My log is the following:

     11:53:01.333  strm0x9089de4  Received DTMF digit 9, vol=11


  What does the trace look like, when there is an key really pressed?

  Best Regards
  J?rg



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