FTDM_ISDN_OPT_DISABLE_TONES 2146 src/ftmod/ftmod_isdn/ftmod_isdn.c if (FTDM_SPAN_IS_NT(span) && !(isdn_data->opts & FTDM_ISDN_OPT_DISABLE_TONES)) { FTDM_ISDN_OPT_DISABLE_TONES 2174 src/ftmod/ftmod_isdn/ftmod_isdn.c flags |= FTDM_ISDN_OPT_DISABLE_TONES;