How to send DTMF tones in active call in android?

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心在旅途
心在旅途 2021-01-29 05:28

Is it possible to send DTMF tones in active call in android ? I tried it with proxyphone.sendDtmf() but it was useless.

How can i achieve it ?

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  •  深忆病人
    2021-01-29 06:00

    In VOIP only it is possible,Android applications have no access to the in-call audio stream. You can fake a it a bit in speakerphone mode.

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