Hi, I'm trying to get a conference running with a portaudio inbound leg. this is my dialplan config that fails on the second call to the conference, what am I doing wrong? <condition field="destination_number" expression="^(3001)$" break="on-true"> <!-- Right auditorium --> <action application="set" data="conference_auto_outcall_flags=unmute"/> <action application="conference_set_auto_outcall" data="portaudio/endpoint/in-right"/> <action application="conference" data="bridge:$1++flags{mute|endconf}"/> </condition> the logs from the second call: 2012-12-16 00:28:10.805545 [DEBUG] switch_core_session.c:830 Send signal sofia/external/anonymous@sip.teleman.com [BREAK] 2012-12-16 00:28:10.805545 [DEBUG] mod_conference.c:3487 Setup timer soft success interval: 20 samples: 160 2012-12-16 00:28:10.805545 [DEBUG] mod_conference.c:6835 Launching BG Thread for outcall 2012-12-16 00:28:10.815163 [DEBUG] switch_ivr_originate.c:2022 Parsing global variables 2012-12-16 00:28:10.815163 [NOTICE] mod_portaudio.c:1294 Close Channel N/A [CS_NEW] 2012-12-16 00:28:10.815163 [DEBUG] switch_core_state_machine.c:559 () Running State Change CS_DESTROY 2012-12-16 00:28:10.815163 [DEBUG] switch_core_state_machine.c:569 (N/A) State DESTROY 2012-12-16 00:28:10.815163 [DEBUG] switch_core_state_machine.c:569 (N/A) State DESTROY going to sleep 2012-12-16 00:28:10.815163 [NOTICE] switch_ivr_originate.c:2608 Cannot create outgoing channel of type [portaudio] cause: [USER_BUSY] 2012-12-16 00:28:10.815163 [DEBUG] switch_ivr_originate.c:3531 Originate Resulted in Error Cause: 17 [USER_BUSY] 2012-12-16 00:28:10.815163 [ERR] mod_conference.c:6634 Cannot create outgoing channel, cause: USER_BUSY 2012-12-16 00:28:10.914722 [DEBUG] mod_conference.c:4301 Queueing file 'tone_stream://%(500,0,640)' for play Regards Jakob