SIGBOOST_CALL_SETUP_NACK_TEST_CKT_BUSY 89 src/ftmod/ftmod_sangoma_boost/sigboost.h SIGBOOST_CALL_SETUP_NACK_TEST_CKT_BUSY = 17, /* Q.850 value */ SIGBOOST_CALL_SETUP_NACK_TEST_CKT_BUSY 78 src/include/private/ftdm_m3ua.h SIGBOOST_CALL_SETUP_NACK_TEST_CKT_BUSY = 118, /* unused Q.850 value */