<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px"><div id="yui_3_16_0_ym19_1_1519829817545_3985">Hi,</div><div id="yui_3_16_0_ym19_1_1519829817545_3985"><br></div><div id="yui_3_16_0_ym19_1_1519829817545_3985">We are encountering the following DTMF issue,</div><div id="yui_3_16_0_ym19_1_1519829817545_3985"><br></div><div id="yui_3_16_0_ym19_1_1519829817545_3985" dir="ltr">FreeSwitch adds telephone-event support in INVITE to SBC, SBC replies back without telephone-event support in 200. </div><div id="yui_3_16_0_ym19_1_1519829817545_3985" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1519829817545_3985" dir="ltr">However FreeSwitch still sends out DTMF in RFC 2833 event.</div><div id="yui_3_16_0_ym19_1_1519829817545_3985" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1519829817545_3985" dir="ltr">I think FreeSwitch should send out DTMF inband instead of 2833 event, what is the configuration for this?</div><div id="yui_3_16_0_ym19_1_1519829817545_3985" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1519829817545_3985" dir="ltr">Many thanks for help,</div><div id="yui_3_16_0_ym19_1_1519829817545_3985" dir="ltr"><br></div><div id="yui_3_16_0_ym19_1_1519829817545_3985" dir="ltr">/Kaiduan</div></div></body></html>