Generates DTFM Tones for Flutter Application. You can change the Sampling Rate to get a different output for iOS.
await FlutterDtmf.playTone(digits: "1234567890ABCD*#");
await FlutterDtmf.playTone(digits: "1", samplingRate: 80000.0);
[DONE] Android Implementation using ToneGenerator class
- Adjusting the Mark and Space in addition to Sampling Rate for a different output