[asterisk-users] No DTMF on Sip Trunk?

Noah Miller noahisaacmiller at gmail.com
Thu Apr 24 12:33:51 CDT 2008


Hi Jared -

>  > For the first time, I'm setting up SIP trunking between two asterisk
>  > boxes.  The calls themselves work fine, but I'm not able to get DTMF
>  > working.
>
>  If you're connecting an Asterisk 1.2 box to an Asterisk 1.4 box (as it
>  appears that you are), you'll need to set "rfc2833compensate=yes" in the
>  peer or friend section of sip.conf on the Asterisk 1.4 box.

Unfortunately, this didn't work.  Maybe rfc2833compensate isn't
available in ABE?

I think this may require inband signalling anyway, as we'll require
non-sip (zap) devices to be able to use these sip trunks and enter
DTMF.

Any other ideas?

Thanks!
Noah



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