[Asterisk-Users] jitterbuffer and DTMF conflict?

[Rich Adamson]

> I find that DTMF does not work reliably if jitterbuffer=on for certain 
> IAX providers. For instance, DTMF tones are missed entirely about half 
> the time when I dial into an exgn.net account. However, it always works 
> fine for an unlimitel.ca account.
> 
> Someone else has seen this too: http://bugs.digium.com/view.php?id=6011
> 
> Can anyone suggest a workaround (other than jitterbuffer=off)?

Might try turning off trunking (assuming you have it turned on) and
test again. Seems a couple of parameters interact and probably has
something to do with different versions of iax.