fio_channel_outgoing_call_t 706 src/include/freetdm.h typedef ftdm_status_t (*fio_channel_outgoing_call_t) FIO_CHANNEL_OUTGOING_CALL_ARGS ; fio_channel_outgoing_call_t 492 src/include/private/ftdm_core.h fio_channel_outgoing_call_t outgoing_call;