Try enabling dtmf verbose:
https://wiki.freeswitch.org/wiki/Variable_dtmf_verbose

and see in log what is really happening.

-mirko

On Fri, Jul 29, 2016 at 2:33 PM, Uday kumar <udy786@gmail.com> wrote:
Hi All,

I am using Freeswitch 1.6 with CentOS 7.2. 

When I am making outbound call from Freeswitch using extension on Softphone/Ip Phone then I am able to send all DTMF only * not able to send. When I have to send * DTMF then I am pressing two time * then its only working. So whenever I have to send 8 DTMF then I need press two time * from softphone/IP Phone.

On CLI I am getting only one like when pressing one time * after that nothing getting on CLI.

2016-07-29 18:01:42.680250 [DEBUG] switch_rtp.c:6147 RTP RECV DTMF *:800

When I am pressing two time *

2016-07-29 18:01:42.680250 [DEBUG] switch_rtp.c:6147 RTP RECV DTMF *:800
2016-07-29 18:01:42.880250 [DEBUG] switch_rtp.c:6147 RTP RECV DTMF *:640
2016-07-29 18:01:42.880250 [DEBUG] switch_channel.c:488 RECV DTMF *:640
2016-07-29 18:01:42.880250 [DEBUG] switch_ivr_bridge.c:470 Send signal sofia/external/525585262618 [BREAK]
2016-07-29 18:01:42.900250 [DEBUG] switch_rtp.c:4610 Send start packet for [*] ts=36960 dur=160/160/640 seq=23645 lw=36960
2016-07-29 18:01:42.920250 [DEBUG] switch_rtp.c:4509 Send middle packet for [*] ts=36960 dur=320/320/640 seq=23646 lw=37120
2016-07-29 18:01:42.940250 [DEBUG] switch_rtp.c:4509 Send middle packet for [*] ts=36960 dur=480/480/640 seq=23647 lw=37280
2016-07-29 18:01:42.960250 [DEBUG] switch_rtp.c:4509 Send end packet for [*] ts=36960 dur=640/640/640 seq=23648 lw=37280
2016-07-29 18:01:42.960250 [DEBUG] switch_rtp.c:4509 Send end packet for [*] ts=36960 dur=640/640/640 seq=23649 lw=37280
2016-07-29 18:01:42.960250 [DEBUG] switch_rtp.c:4509 Send end packet for [*] ts=36960 dur=640/640/640 seq=23650 lw=37280
2016-07-29 18:01:42.960250 [DEBUG] switch_rtp.c:4462 Queue digit delay of 40ms
2016-07-29 18:01:42.960250 [DEBUG] switch_core_session.c:1062 Send signal sofia/external/525585262618 [BREAK]


Please help. 

--
Thanks & Regard
Uday

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--
Regards,
Mirko