[Asterisk-Users] DTMF not sending properly via IAX

[Carlos Alperin]

Before to anything else, are you sending DTMF in-ound or out-bound?

Most of the time when DTMF is not sent is because is in-bound. Just choose
out-bound or RFC2833 (I don't remember if this is the right standard).

Carlos

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Tony
Mountifield
Sent: Monday, July 11, 2005 4:07 PM
To: asterisk-users at lists.digium.com
Subject: [Asterisk-Users] DTMF not sending properly via IAX

I'm not sure if this is a -users or a -dev question, since the answer
probably comes down to something in the code.

I'm running the latest CVS-STABLE, and am subscribed to PSTN service
using IAX2 via Voiptalk in the UK.

I've just been alerted by a customer that the sending of DTMF from my
asterisk box to a remote PSTN user doesn't work, although it used to.

To test it, I have the following dialplan entries, that I can dial into:

exten => s,1,Answer
exten => s,2,Wait(2)
exten => s,3,SendDTMF(1234567890)
exten => s,4,Wait(2)
exten => s,5,Hangup

What happens is that whatever string I give to SendDTMF, I only hear the
first DTMF digit. The remaining digits don't get sent.

I recently updated from an April CVS-STABLE to the July 4 version, but I
couldn't see any relevant differences in the code. As its a production
system, I can't just revert to test without planning.

I don't know whether Voiptalk have changed anything.

Is this a known bug in certain versions of Asterisk?

If I do iax2 debug, I *can* see DTMF frames being sent and acked for
each digit. Wo I can't understand why I'm not hearing all the digits.

Any ideas?

Cheers
Tony
-- 
Tony Mountifield
Work: tony at softins.co.uk - http://www.softins.co.uk
Play: tony at mountifield.org - http://tony.mountifield.org
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