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  1. #1
    Registered User
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    Oct 2005
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    Question 3G Voice Call and simultaneous data connection

    My question is: Why?
    I have N70. If it is in 3G mode and I am calling to any 2G or 3G recipient or receiving a call, having my phone in 3G, a data connection is initiated when a voice call starts. The data connection ends when the voice call is terminated. I see two calls (voice and data to internet configuration) in the log then. Voice call is incoming or outgoing, but the data call is always outgoing.
    Is this normal functionality over 3G?
    What is a purpose of the data connection during voice call even if I am calling to a device without any data capabilities?
    Or is this one of installed apps spying on me? Is this possible to know, which application initiates the data call?

  2. #2
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    Dec 2009
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    9

    Angry Re: 3G Voice Call and simultaneous data connection

    I have exactly the same problem with a N96!
    Is there any explanation or solution available?
    I need urgent help.


    Many thanks in advance!

  3. #3
    Nokia Developer Moderator
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    Mar 2003
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    Lempäälä/Finland
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    Re: 3G Voice Call and simultaneous data connection

    Its rather standard technology stuff: http://en.wikipedia.org/wiki/General..._Radio_Service check the difference between Class A and Class B devices.

  4. #4
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    Angry Every Voice Call initiates an unknown simultaneous data connection

    No, no, no, that is not my question!!!

    Please read carefully my problem:
    If I am calling to any 2G or 3G recipient or receiving a call, a data connection is initiated when a voice call starts. The data connection ends when the voice call is terminated. I see two calls (voice and data to internet configuration) in the log then. Voice call is incoming or outgoing, but the data call is always outgoing.

    What is a purpose of the data connection during voice call even if I am calling to a device without any data capabilities?
    Or is this one of installed apps spying on me? Is this possible to know, which application initiates the data call?

    What the hell is going on on my phone?
    I have this problem since 2 two weeks, but i have no idea what i or someone else have/has changed!!!???

  5. #5
    Nokia Developer Moderator
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    Mar 2003
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    Re: Every Voice Call initiates an unknown simultaneous data connection

    ok, the original question was N70 which I believe is Class B, so basically there couldn't be normal data connection with a voice call simultaneously. Anyway the data call thing has not been really well supported, so I do not really have answers for that.

  6. #6
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    Dec 2009
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    Re: 3G Voice Call and simultaneous data connection

    sorry i forgot to mention:
    my issues belongs to a N96.
    thanks

  7. #7
    Nokia Developer Moderator
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    Re: 3G Voice Call and simultaneous data connection

    Data calls have not really been supported with 3rd ed, RCall etc are depracated, so there is not too much support that could be given..

  8. #8
    Registered User
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    Dec 2009
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    9

    Exclamation Re: 3G Voice Call and simultaneous data connection

    hmmm, thanks for your answer.

    it's really a big problem because roaming costs for this unknown data connections have been created.


    therefore, these connections are really on the air.
    But why in the hell??????

  9. #9
    Registered User
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    Dec 2009
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    Smile Re: 3G Voice Call and simultaneous data connection

    OK, i have solved the problem!


    There is one unimpressive connection setting saying "video adding" or "video connecting".
    Turning off this option solves my problem and everything is OK.

    But, I have no idea what is going in detail, if this option is activated.
    Even calls to very old phones or wired phones produces data transfer rates,
    which is payable to the provider.
    Which data goes on the air?
    What is the target address?


    Is there an explanation for this, out in the world?


    However, I am very happy to have a solution for the moment!


    Many thanks for helping and trying to help!!!!!


    Merry Christmas to everybody here!

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