[Asterisk-Users] DTMF not working

[Innocent Evil]

I am having same problem .. DTMF is not working from a SIP phone while
sending to Asterisk cmd VoiceMailMain.

Would you please explain this line
"!941+1336/100,!0/100", /* 0 */

what  value is what and how it affect on DTMF tone generation.

Thanks,



> I had a similar problem that seems to be caused by the DTMF tone lengths
> being to short.  Try this:
>
> Asterisk generates DTMF tones in  do_senddigit() in the file channel.c.
> The tones are defined in a const char array called dtmf_tones[].  Each
> DTMF tone is a string that looks something like:
>
> "!941+1336/100,!0/100", /* 0 */
>
> The part that reads !941+1336/100 is the part that you want.  Change the
> "100" to something bigger and recompile.  You will have to do that for
> every tone.   I'm using 400 right now, and it seems to be working.
>
> I hope that helps.
>
> Rob
>
> Peter Osborne wrote:
>
> >Hi all,
> >
> >I just upgraded from Asterisk 1.0RC1 to Asterisk 1.0.7 and our dtmf no
> longer
> >works with external phone systems. I have a Wildcard TDM400P with 4
> FXO's?
> >(it connects to analog lines). No changes were made to the config files.
> >
> >Here's my config:
> >
> >/etc/zaptel.conf
> >fxsks=1-4
> >loadzone = us
> >defaultzone=us
> >
> >/etc/asterisk/zapata.conf
> >[channels]
> >usecallerid=yes
> >hidecallerid=no
> >callwaiting=yes
> >usecallingpres=yes
> >threewaycalling=yes
> >transfer=yes
> >cancallforward=yes
> >callreturn=yes
> >echocancel=yes
> >echotraining=yes
> >rxgain=2.0
> >txgain=2.0
> >callgroup=1
> >pickupgroup=1
> >musiconhold=default
> >context=incoming
> >group=1
> >signalling=fxs_ks
> >echocancel=64
> >echocancelwhenbridged=yes
> >relaxdtmf=yes
> >channel => 1-3
> >
> >[pete_desk]
> >;Pete's Desk phone (Polycom IP 300)
> >type=friend
> >username=pete_desk
> >secret=pass
> >context=longdistance
> >callerid=Pete <601>
> >host=dynamic
> >mailbox=601
> >dtmfmode=inband
> >disallow=all
> >allow=ulaw
> >allow=alaw
> >
> >Thanks,
> >Pete
> >_______________________________________________
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> >
>
>
> --
> Robert Tarte
> Pacific CodeWorks
> P.O. Box 29050
> San Francisco, CA 94129
>
> (p) 831-426-7582
> (f) 831-426-7584
>
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