[Freeswitch-users] DTMF detection giving problems

SamyGo govoiper at gmail.com
Fri Aug 10 09:30:57 MSD 2012

Narrowing down the problem, I see the PlayandGetDTMF starting the intended
audio file. Then user presses any DTMF and the PAGD breaks saying the user
pressed " " , yes and empty space :S.The variable which is supposed to hold
the DTMF has some space in it which it proudly logs to the console w/o
giving any errors !!

On Fri, Aug 10, 2012 at 9:55 AM, SamyGo <govoiper at gmail.com> wrote:

> Hello All,
> I've a small lua script which is just an IVR. Calls are landing on
> Asterisk and then they are relayed over to FS. The problem is that the IVR
> don't always detects what user pressed. What I've observed is that the DTMF
> threshold is very high and some people just press slowly/quickly and the
> tone duration gets low and FS don't detect anything.
> I've rfc2833 set for the sip trunk between asterisk and freeswitch. I've
> also liberal-dtmf set in my sofia external.xml profile file which somewhat
> got me better results but still DTMFs miss sometimes.
> Please note that the asterisk on which the calls are landing have never
> faced this issue before. Asterisk has PRI from which it receives the calls
> and then relay to desired FS server.
> Regards.
> Sammy
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