1. anon(9620915)'s Avatar
    A couple weeks ago I upgrade my GS4 from kitkat 4.4 to lolipop 5.0.1 using the Samsung KIES method.
    Since that time, I have had problem when I need to use the numeric keypad during phone calls. When you have to "press 1" for this or "press 2" for that.
    I press the keypad button and it appears, I can key the digits and hear the tones, but they are not sent properly because the remote system does not respond at all. This has happened on several different calls now, so I know its NOT a problem with the remote system.
    Anyone also experience this issue and know how to fix?
    thx
    08-26-2015 04:01 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! See if you can adjust the DTMF tone duration. Open the Dialer app, tap Menu>Settings, and look through the options for DTMF. If you find it, change it to a longer duration.
  3. B. Diddy's Avatar
    Welcome to Android Central! See if you can adjust the DTMF tone duration. Open the Dialer app, tap Menu>Settings, and look through the options for DTMF. If you find it, change it to a longer duration.
    anon(9620915) likes this.
    08-26-2015 05:13 PM
  4. anon(9620915)'s Avatar
    Thanks BDiddy!
    Changed DTMF tone from Normal to Long and that fixed the problem.
    B. Diddy likes this.
    08-26-2015 05:37 PM

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