SIGBOOST_CALL_SETUP_NACK_INVALID_NUMBER 90 src/ftmod/ftmod_sangoma_boost/sigboost.h SIGBOOST_CALL_SETUP_NACK_INVALID_NUMBER = 28, /* Q.850 value */ SIGBOOST_CALL_SETUP_NACK_INVALID_NUMBER 79 src/include/private/ftdm_m3ua.h SIGBOOST_CALL_SETUP_NACK_INVALID_NUMBER = 28,