[Asterisk-Users] DTMF tones not long enough

[Tjardick van der Kraan]

Same here, seems that with one of the later updates on * the outgoing DTMF
from SIP via * to i4l is not going out.

I have a long distance calling service which i can dial get a dialtone and
then dial the number i need. It used to work from my pingtel soft phone just
fine, but since i had to put in DTMF=inband in the sip.conf (as * didn't see
my voicemail DTMF anymore) it seems the DTMF works from sip to * directly
but not from SIP via * to i4l.

Also i tried doing SIP <=> * <=> other * via IAX and then DTMF and that
seems to work...

Hope this gives enough 'debug; info if not please don't hesitate to contact
me on what to to to provide more info.

Greetings,

Tjardick


----- Original Message -----
From: "Ask Bjoern Hansen" <ask at develooper.com>
To: <asterisk-users at lists.digium.com>
Sent: Monday, April 14, 2003 5:31 PM
Subject: [Asterisk-Users] DTMF tones not long enough


> Hi,
>
> My system is like this currently:
>
> ATA-186 <-> *1 <-> IAX2 to Europe <-> *2 <-> i4l <-> voicemail at cell
> provider
>
> When I dial up to my voicemail at my European cell phone provider I
> can't press '#' to get into their menu.  It seems like it just ignores
> any DTMF tones or doesn't get them.
>
> When I call a human on the other side of the i4l they say that they can
> hear the DTMF tones, but I don't know how well.
>
> I tried calling Echo on the second * box and I do hear DTMF tones
> coming back, but they are really short - barely there at all.
>
> I am getting a TDM400P card; will that work better/differently than the
> ATA in this regard?
>
> On IRC Mark talked about extending the DTMF system to keep track of
> "button down" and "button up" events instead of just "button pressed".
>   For me then a temporary work around of just making the tones a bit
> longer would work - I think.  Maybe.  Perhaps.
>
> Any ideas?
>
>
>   - ask
>
> --
> http://www.askbjoernhansen.com/
>
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