[Freeswitch-users] Unreliable DTMF

[Christopher Rienzo]

RTP RECV DTMF is indeed the log when an RFC 2833 DTMF is received.


On Thu, Jul 25, 2013 at 9:33 AM, Alex Lake <alex at digitalmail.com> wrote:

> I've got an application that doesn't seem to work well with DTMF coming
> in (supposedly using rfc2833) from some phones - notably Samsung S3s.
>
> I have told my carrier to use rfc2833.
> I have put dtmf-type="rfc2833" into my SIP profile.
>
> I see "a=fmtp:101 0-16" in the session progress message
>
> I was wondering what this message "Activate Buggy RFC2833 Mode" means!
>
> When a normal user hits a DTMF key, we get this in the log:
>
> 2013-07-25 13:26:19.308267 [DEBUG] switch_rtp.c:3917 RTP RECV DTMF 1:744
> 2013-07-25 13:26:19.308267 [DEBUG] switch_channel.c:471 RECV DTMF 1:744
>
> Does this all indicate that rfc2833 is working?!
>
> Anyone else had trouble with S3s?
>
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