[VoiceOps] SONUS and RFC2833

Paul Timmins paul at timmins.net
Fri Aug 7 10:49:53 EDT 2009

Here's an asterisk bug I reported regarding it, and the explanation of 
why it's happening is in there. Don't know if it's of use to you.


Howard Hart wrote:
> Anyone out there know the magic incantation on SONUS boxes to make 
> RFC2833 DTMF signaling work consistently? We've got one vendor using 
> SONUS with this turned on that works flawlessly. For the rest we've 
> had to fall back to in-band DTMF. Far as I can tell, they're all GSX;es.
> Thanks in advance,
> Howard Hart
> Ooma
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