For Japan (NTT) Calling sequence : 1 s tone, 2 s blank. tone freq. 400Hz +/-20Hz Busy sequence : 0.5 s tone, 0.5s blank etc. tone freq. 400Hz+/-20Hz
At 17:42 96/09/19 -0700, you wrote: > What is the ring frequency/cadence for Japan and Taiwan? > > >
For Japan (NTT) Calling sequence : 1 s tone, 2 s blank. tone freq. 400Hz +/-20Hz Busy sequence : 0.5 s tone, 0.5s blank etc. tone freq. 400Hz+/-20Hz
At 17:42 96/09/19 -0700, you wrote: > What is the ring frequency/cadence for Japan and Taiwan? > > >