[Asterisk-Users] dtmfmode=auto, but doesn't work

[Aryanto Rachmad]

Hello everybody,

I have set dtmfmode=auto in my sip.conf, but that does not work and I still got the following message:

WARNING[4980]: dsp.c:1422 ast_dsp_process: Inband DTMF is not supported on codec g729. Use RFC2833

According to http://www.voip-info.org/wiki/index.php?page=Asterisk+sip+dtmfmode:

auto: Asterisk will use rfc2833 for DTMF relay by default but will switch to inband DTMF tones if the remote side does not indicate support of rfc2833 in SDP. This feature was added in CVS HEAD on Sep 6 2005 and is not available in Asterisk 1.0.x. 

Why does it not work as the wiki said?

I am running asterisk SVN-branch-1.2-r9609M under FC5-t2 (2.6.15-1.1928_FC5smp).

Cheers,

Anto

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