Use APKPure App
Get DTMF Tone Generator old version APK for Android
This application is a DTMF dialer for landline telephones.
This application is a DTMF dialer for landline telephones.
You need to dial number then press the button "Dial"
1. Dial the number
2. Put your smartphone near the microphone of your phone then press "Dial"
If it doesn't work, plug earphone on your smartphone, put an earphone near of the microphone and press "Dial" again.