[asterisk-users] SIP DTMF Troubleshoot

[Alex Balashov]

I think your best bet is to do a packet capture and look for RTP packets 
with an RTP Event payload ("rtpevent" display filter).

On Mon, 28 Jan 2008, Andrew Joakimsen wrote:

> How can I debug SIP DTMF? If I do 'sip set debug peer xyz' I see no
> messages related to DTMF... or if I just do a global SIP debug for
> that matter.... I am using RFC DTMF but it's not being passed to the
> PSTN and I need to debug this further. I've tried to increase the
> verbosity and the debug ('set debug n') and that didn't help either. I
> assume this is because even RFC2833 sends the DTMF as RTP which
> wouldn't show up anyways.... but how to troubleshoot DTMF issues?
>
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Alex Balashov
Evariste Systems
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