[VoiceOps] SONUS and RFC2833

Colin Brown zavoid at gmail.com
Fri Aug 7 10:51:39 EDT 2009

All your other carriers are using SIP and RFC2833?

No H.323 to SIP right?


On Fri, Aug 7, 2009 at 10:32 AM, Howard Hart <hch at sipster.com> 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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