Using FS r13231, when testing fifo in, experienced occasionally call drops with no obvious reason, is it something to do with early media? See the debug log below Dialplan: sofia/internal/sip:1007@192.168.0.31:5342 Regex (PASS) [TEST_Q] destination_number(40001) =~ /^40001$/ break=on-false Dialplan: sofia/internal/sip:1007@192.168.0.31:5342 Action fifo(test_q in) 2009-05-06 15:18:46 [DEBUG] switch_core_state_machine.c:114 switch_core_standard_on_routing() (sofia/internal/sip:1007@192.168.0.31:5342) State Change CS_ROUTING -> CS_EXECUTE 2009-05-06 15:18:46 [DEBUG] switch_core_session.c:933 switch_core_session_signal_state_change() Send signal sofia/internal/sip:1007@192.168.0.31:5342 [BREAK] 2009-05-06 15:18:46 [DEBUG] switch_core_state_machine.c:483 switch_core_session_run() (sofia/internal/sip:1007@192.168.0.31:5342) State ROUTING going to sleep 2009-05-06 15:18:46 [DEBUG] switch_core_state_machine.c:397 switch_core_session_run() (sofia/internal/sip:1007@192.168.0.31:5342) Running State Change CS_EXECUTE 2009-05-06 15:18:46 [DEBUG] switch_core_state_machine.c:490 switch_core_session_run() (sofia/internal/sip:1007@192.168.0.31:5342) State EXECUTE 2009-05-06 15:18:46 [DEBUG] mod_sofia.c:173 sofia_on_execute() sofia/internal/sip:1007@192.168.0.31:5342 SOFIA EXECUTE 2009-05-06 15:18:46 [DEBUG] switch_core_state_machine.c:151 switch_core_standard_on_execute() sofia/internal/sip:1007@192.168.0.31:5342 Standard EXECUTE EXECUTE sofia/internal/sip:1007@192.168.0.31:5342 set(outside_call=true) 2009-05-06 15:18:46 [DEBUG] mod_dptools.c:748 set_function() sofia/internal/sip:1007@192.168.0.31:5342 SET [outside_call]=[true] EXECUTE sofia/internal/sip:1007@192.168.0.31:5342 fifo(test_q in) 2009-05-06 15:18:46 [DEBUG] switch_ivr.c:1342 switch_ivr_session_transfer() (sofia/internal/sip:1007@192.168.0.31:5342) State Change CS_EXECUTE -> CS_ROUTING 2009-05-06 15:18:46 [DEBUG] switch_core_session.c:933 switch_core_session_signal_state_change() Send signal sofia/internal/sip:1007@192.168.0.31:5342 [BREAK] 2009-05-06 15:18:46 [NOTICE] switch_core_state_machine.c:179 switch_core_standard_on_execute() Hangup sofia/internal/sip:1007@192.168.0.31:5342 [CS_EXECUTE] [NORMAL_CLEARING] 2009-05-06 15:18:46 [DEBUG] switch_channel.c:1641 switch_channel_perform_hangup() Send signal sofia/internal/sip:1007@192.168.0.31:5342 [KILL] 2009-05-06 15:18:46 [DEBUG] switch_core_session.c:933 switch_core_session_signal_state_change() Send signal sofia/internal/sip:1007@192.168.0.31:5342 [BREAK] 2009-05-06 15:18:46 [DEBUG] switch_core_state_machine.c:490 switch_core_session_run() (sofia/internal/sip:1007@192.168.0.31:5342) State EXECUTE going to sleep 2009-05-06 15:18:46 [DEBUG] switch_core_state_machine.c:397 switch_core_session_run() (sofia/internal/sip:1007@192.168.0.31:5342) Running State Change CS_HANGUP 2009-05-06 15:18:46 [DEBUG] switch_core_state_machine.c:433 switch_core_session_run() (sofia/internal/sip:1007@192.168.0.31:5342) State HANGUP 2009-05-06 15:18:46 [DEBUG] mod_sofia.c:323 sofia_on_hangup() Channel sofia/internal/sip:1007@192.168.0.31:5342 hanging up, cause: NORMAL_CLEARING 2009-05-06 15:18:46 [DEBUG] mod_sofia.c:378 sofia_on_hangup() Sending BYE to sofia/internal/sip:1007@192.168.0.31:5342 Regards Scott