[Freeswitch-users] Can't use dtmf_type=rfc2833 in a dial plan

[peely]

Hi,

I recently moved up to FS 1.2 (FreeSWITCH Version
1.2.2+git~20120911T185917Z~3fd1a57902) and since then can't seem to be able
to enable RFC2833 termination in the dialplan.

I receive 2833 fine from the inbound:

2012-10-15 20:53:38.311883 [DEBUG] switch_rtp.c:3797 RTP RECV DTMF 0:1200
2012-10-15 20:53:40.131884 [DEBUG] switch_rtp.c:3797 RTP RECV DTMF 1:1200
2012-10-15 20:53:40.731885 [DEBUG] switch_rtp.c:3797 RTP RECV DTMF 2:1200
2012-10-15 20:53:41.031885 [DEBUG] switch_rtp.c:3797 RTP RECV DTMF 3:1200

But on the outbound I am always receiving DTMF as SIP INFO.

I have tried various combinations in the dialplan of adding
dtmf_type=rfc2833 in the bridge options, and setting dtmf_type=rfc2833,
export dtmf_type=rfc2833, but I always receive DTMF as SIP INFO!

The fact that I am receiving SIP INFO with the correct DTMF suggests that FS
is identifying the RFC2833 from the inbound, but I just can't switch the
DTMF mode to 2833 at will. I don't have any dtmf_type setting on the
profile.

Any ideas? I have currently had to fall back to pass-rfc2833=true which is
OK but I would rather FS generated them so I can play with the minimum
durations.



Thanks,



Neil.




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