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;