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  1. #1
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    Playing DTMF tones with nokia 3410

    Hi,

    i'm new in nokia coding and I would like to know how to generate DTMF tones with a nokia 3410.
    I know that we can generate tones with Sound but DTMF tones are the addition of 2 tones of different frequency ( http://en.wikipedia.org/wiki/DTMF#Keypad ). How could I play this tones (without pressing my phone keys of course ).

    Thanks in advance for your answers and excuse me if my english isn't perfect :-\.


    See you later.

  2. #2
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    Re: Playing DTMF tones with nokia 3410

    Hi,

    is there somebody who knows if it's possible to simulate the pushing of a key ? It could be an alternative solution to generate the DTMF tone (in fact, what I want to do is to generate DTMF tones but without using the platformRequest() function).


    Thanks in advance for your answers.

  3. #3
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    Re: Playing DTMF tones with nokia 3410

    Not possible to simluate a keypress on 3410. Post-dial DTMF tones are the only way to create the DTMF tones from a MIDlet (cannot remember the correct syntax for those off the top of my head, unfortunately - that information should be available in the Forum Nokia Technical Library, look for the link on the FN main page).

    Hartti

  4. #4
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    Re: Playing DTMF tones with nokia 3410

    Thank you for your answer hartti.

    Unfortunately, I have a problem with the platformRequest function and I do not understand why.

    I am unable to build programs which are using platformRequest for nokia 3410.
    At the beginning I was thinking it was a syntax error but I found this working example.
    In fact I can build programs using platformRequest for other types of mobile phone (IE DefaultColorPhone) and I can run them but if I select the nokia 3410 phone, I can't build them. Here is the output of a built:
    Building "platformRequestExample"

    C:\WTK20\apps\platformRequestExample\src\platformRequestExample.java:51: cannot resolve symbol

    symbol : method platformRequest (java.lang.String)

    location: class platformRequestExample

    platformRequest("tel:" + mTextBox.getString()); // dial the phonenumber.

    ^

    C:\WTK20\apps\platformRequestExample\src\platformRequestExample.java:55: cannot resolve symbol

    symbol : method platformRequest (java.lang.String)

    location: class platformRequestExample

    platformRequest(mTextBox.getString()); // open the wap browser.

    ^

    2 errors

    com.sun.kvem.ktools.ExecutionException

    Build failed
    It seems to be a library problem. Do you know why I get this error ?

  5. #5
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    Re: Playing DTMF tones with nokia 3410

    Oh, yes. I should have checked the devices specs before answering to you. 3410 has only MIDP 1.0. platformRequest was introduced in MIDP 2.0
    Unfortunately you cannot use that method call on your phone

    Hartti

  6. #6
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    Re: Playing DTMF tones with nokia 3410

    So there is no way at all to generate DTMF tones with a 3410 ?

  7. #7
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    Re: Playing DTMF tones with nokia 3410

    From your MIDlet? No, there is not. Unfortunately

    Hartti

  8. #8
    Nokia Developer Expert
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    Re: Playing DTMF tones with nokia 3410

    Quote Originally Posted by __toma__ View Post
    So there is no way at all to generate DTMF tones with a 3410 ?
    Unless you generate wave files yourself within the application.

    EDIT: Of course, that is still not enough to pass the tones to the phone call.

  9. #9
    Regular Contributor
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    Unhappy Re: Playing DTMF tones with nokia 3410

    Is this possible to play DTMF tone after pressing the key in S60 3rd edition FP1 SDK using Carbide C++?plz reply soon if possible...plssss...

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