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

Paul Cupis paul at cupis.co.uk
Tue Oct 16 02:15:18 MSD 2012


On 15/10/12 21:02, peely wrote:
> 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.

Is the outbound leg of the call negotiating RFC2833 support? Can you 
show us the SDP offer+accept for the outbound leg?

Regards,




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