[Freeswitch-users] rfc2833 DTMF behaviour
pkelly at gmail.com
Fri Jun 5 16:06:17 MSD 2015
Is there anything obvious I can check in the rtpevent packets to suggest
why FreeSWITCH would:
- For UAC A - report receiving DTMF and successfully forward it to the
- For UAC B - report receiving DTMF and *not* forward it.
Both UAC's A and B show freeswitch reporting it has received the DTMF but
only DTMF from UAC A gets forwarded to the bridge. Same
I feel sure it must be something within the DTMF packet itself that
FreeSWITCH is not liking and therefore not forwarding
On 4 June 2015 at 17:12, Pete Kelly <pkelly at gmail.com> wrote:
> I am trying to send rfc2833 DTMF with SIPP into FreeSWITCH and have the
> DTMF be passed along to the bridged leg.
> If I set up the following scenario:
> Bria > FreeSWITCH > SIPP
> and press a DTMF tone on Bria, I see the DTMF received in FS and then it
> being sent out to the bridged leg.
> However if I replace Bria with SIPP and play one of the SIPP supplied
> rfc_2833 pcaps, I only see the DTMF being received by FreeSWITCH but it is
> not sent to the bridged leg.
> Does anyone have any suggestions?
> This is the log indicating FS is receiving the DTMF from SIPP
> 2015-06-04 15:41:57.343854 [DEBUG] switch_rtp.c:6092 RTP RECV DTMF 2:2240
> 2015-06-04 15:41:57.343854 [DEBUG] switch_channel.c:488 RECV DTMF 2:2240
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