[Freeswitch-users] Failed DTMF sanity check

[Ciprian Dosoftei]

It typically means the device on the other end of the channel is sending in
malformed RFC2833 DTMF.

What FreeSWITCH version are you using, and also, do you know what kind of
device is connected on the other end?

On Mon, 11 Nov 2019 at 14:28, Saqib Nawaz <saqibnawaz5812 at gmail.com> wrote:

> Hi Guys,
>
> I'm getting this error message printed on my console
>
> [ERR] switch_rtp.c:2013 Failed DTMF sanity check.
>
> Why this is popping up ? how can I prevent this from occurring?
>
> Regards,
> Saqib Nawaz.
>
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-- 
Best Regards,
Ciprian Dosoftei

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