[asterisk-users] DTMF received twice

David fire ddfire at gmail.com
Mon May 11 07:56:21 CDT 2009


out there is a file to change the dtmf duration
where are you? or from where is your cellphone?
from other phones like lkand lines it works well?
David

2009/5/11 Administrator TOOTAI <admin at tootai.net>

> Hi all,
>
> I run an Asterisk 1.4.24.1 and face problem with DTMF. When calling from
> my mobile phone -Nokia E65- in GSM, Asterisk present me a second tone so
> I can use the GW. For this I use:
>
> exten => s,1,NoOp(One of our workers (${CALLERID(number)}) is calling
> office)           ;callerID is the one of the calling mobile phone
> exten => s,n,Background(silence/1)
>
> ; Nokia E65 send digits in DTMF mode, no need to take care about input
> corrections
> ;
> exten => s,n(enterDigits),Read(myExten,pls-entr-num-uwish2-call,0,,,3)
> exten => s,n,GotoIf($["${myExten}"=""]?enterDigits)
> [...]
>
> Problem is that received DTMF digits in ${myExten} are received twice eg
> for 1234 ${myExten} has 11223344. I correct the extension by dialplan
> but I think it's not really a solution.
>
> In sip.conf, the dtmfmode is set to auto. If I set it to rfc2833, the
> same behaviour.
>
> Can somebody confirm this before I open a bug, thanks.
>
> Regards
> --
> Daniel
>
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