[asterisk-users] Urgent: DTMF does not work with, rtpmap:101 telephone-event/8000

[Eric "ManxPower" Wieling]

Alex Balashov wrote:
> 
> JK,
> 
> On Fri, 25 May 2007, JK wrote:
> 
>> Alex thank you for your response. In this case we are USING INBAND, 
>> though I have tried both. Nothing works. Yes ser is configured with 
>> mediaproxy. Thank you,
> 
>   Depending on the exact acoustic qualities of the end-to-end path,
> in-band can be problematic.  If you're relying on far-end equipment to
> discriminate tones from within an audio stream that is subject to
> potential transcoding, mangling, packet loss, out-of-order arrival, etc.,
> you may be out of luck.
> 
>   Admittedly, I'm not sure exactly what your problem is.  But you're
> almost always better off using out-of-band RFC 2833.

SOME device is using RFC2833 DTMF or you would not be seeing the rtpmap 
telephone events