configure_span_signaling 4532 src/ftdm_io.c if (mod->configure_span_signaling) { configure_span_signaling 4533 src/ftdm_io.c status = mod->configure_span_signaling(span, sig_cb, parameters); configure_span_signaling 355 src/include/private/ftdm_types.h fio_configure_span_signaling_t configure_span_signaling;