[Freeswitch-users] Problem sending DTMF using an FXS channel

Hello, I’m having trouble with calls to remote IVR using DTMF, when the A leg is an FXS port. What happens is when the key is pressed on the phone, the DTMF is sent inband to the callee party as voice, but also detected by freeswitch and so resent by freeswitch to the callee party. This results in unusability of called IVR. Is there any setting that could be used to prevent freeswitch from detecting DTMF and/or prevent freeswitch from resending the DTMF. Thanks François