[asterisk-dev] Double tones sometimes detected with RFC2833

[Bryan Field-Elliot]

Done, applied both patches, and it seems to have fixed my problem instantly. Thank you.  And to Kevin Fleming - you are right, I should have tried the very latest version before posting, as it would have fixed this problem.

Thank you both,

Bryan



On Nov 10, 2010, at 2:04 PM, Mark Michelson wrote:

On 11/10/2010 02:58 PM, Bryan Field-Elliot wrote:
> 
> We are using Asterisk 1.6.2.6, and have several applications running which are touchtone based and we use RFC2833 exclusively.
> 
> For a very small number of clients, we seem to be getting "double tones" every so often, i.e. a "0123" will be transmitted, but our Asterisk app receives "00123".
> 
> I don't know what the source is of the extra digits -- perhaps Asterisk is decoding the RFC2833 "0" digit twice, or, perhaps it's processing the RFC2833 "0" digit, and also detecting "0" from the inband audio data at the same time.  99% of the time, this doesn't happen and all is well, but I'm trying to chase down that final 1%.
> 
> Does anyone have any ideas about what might be causing this, what we might do to work around it, etc.?
> 
> Thank you,
> 
> Bryan
This sounds similar to this issue here: https://issues.asterisk.org/view.php?id=15811
This fix first appears in version 1.6.2.7.

However, if you are going to apply the fix from that issue, I also recommend applying the fix from https://issues.asterisk.org/view.php?id=17571
This fix first appears in version 1.6.2.10.

Mark Michelson
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