FTDM_ENOSYS 758 src/ftdm_io.c status = FTDM_ENOSYS; FTDM_ENOSYS 2413 src/ftdm_io.c status = FTDM_ENOSYS; FTDM_ENOSYS 5227 src/ftdm_io.c status = FTDM_ENOSYS;