Hello : I have 2 tested bind_meta_app , after some testing , I found the app either no response or very very slow. Got the [WARNING] already broadcasting 2008-08-29 16:52:22 [INFO] mod_dialplan_xml.c:222 dialplan_hunt() Processing 1529->1526@inter2 2008-08-29 16:52:22 [INFO] switch_ivr_async.c:1474 switch_ivr_bind_dtmf_meta_session() Bound A-Leg: 3 execute_extension::att_xfer XML inter2 2008-08-29 16:52:22 [INFO] switch_ivr_async.c:1474 switch_ivr_bind_dtmf_meta_session() Bound A-Leg: 4 javascript::calltest.js 2008-08-29 16:52:29 [WARNING] switch_ivr_async.c:1983 switch_ivr_broadcast() Channel [sofia/inter2/1529@210.243.126.72][execute_extension::att_xfer XML inter2] already broadcasting...broadcast aborted 2008-08-29 16:52:36 [WARNING] switch_ivr_async.c:1983 switch_ivr_broadcast() Channel [sofia/inter2/1529@210.243.126.72][javascript::calltest.js] already broadcasting...broadcast aborted At first suspecting the DTMF problem , change the rfc2833 and sip info back and forth ... but in vain . freeswitch@localhost> sofia status profile internal CODECS G722,PCMU,PCMA,GSM TEL-EVENT 101 DTMF-MODE rfc2833 check the sip profiles setting <param name="rfc2833-pt" value="101"/> <!-- param name="dtmf-type" value="info"/ --> BTW, where is the in-band DTMF setting ? thanks !