isdn_get_channel_sig_status 53 src/ftmod/ftmod_libpri/ftmod_libpri.c static FIO_CHANNEL_GET_SIG_STATUS_FUNCTION(isdn_get_channel_sig_status) isdn_get_channel_sig_status 1409 src/ftmod/ftmod_libpri/ftmod_libpri.c span->get_channel_sig_status = isdn_get_channel_sig_status;