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  1. #1
    Regular Contributor
    Join Date
    Jan 2010
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    69

    how to capture ring-back tone?

    All:
    Now I want to change ring-back tone, so I can privide new tone to my customer,
    there have two steps need to do; the key step is "how to capture ring-back tone when Making a Phone Call?"
    please give me some help, thankyou!

  2. #2
    Nokia Developer Moderator
    Join Date
    Mar 2003
    Location
    Lempäälä/Finland
    Posts
    29,166

    Re: how to capture ring-back tone?

    ring-back tone I suppose it operator service, thus you would need to contact the operator for any modifications on their service.

  3. #3
    Regular Contributor
    Join Date
    Jan 2010
    Posts
    69

    Re: how to capture ring-back tone?

    Yes, it sames basement layer operator as how to fetch IMEI&IMSI through CTelephony class. I thought when make a call, Mobile Network Operators transmit default ring or Coloring Ring Back Tone to your phone, then launch your player to play the tone. I dont know is there some way to intercept the Tone before play it, CTelephony class handle the basement layer featrues of the phone, but i am know little about it,
    so get help there, thankyou!

  4. #4
    Nokia Developer Moderator
    Join Date
    Feb 2006
    Location
    Oslo, Norway
    Posts
    28,699

    Re: how to capture ring-back tone?

    Remember that RBT works with dumb/old mobile phones, and even with analog landlines. In the general case the tone is not played locally, it simply comes via the voice channel. The phone does not have to know that it is not in a "real" call yet. Local RBT is possible in some special environments, like VoIP.

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