FTDM_EBUSY       1429 mod_freetdm/mod_freetdm.c 			if (status == FTDM_BREAK || status == FTDM_EBUSY) { 
FTDM_EBUSY       2296 src/ftdm_io.c  		status = FTDM_EBUSY;
FTDM_EBUSY       2496 src/ftdm_io.c  		return FTDM_EBUSY;