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正在调用中发送 DTMF 调用中的 DTMF 调用
原标题:send DTMF tones in ongoing call

Hello I am new in android and I wanted to know that it is possible in android to send DTMF tones in ongoing call? I want to do following in android. Is it possible ?

1) 呼叫 +xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

2)等待结束的第一个音调

3) 插入:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

等待短音高音结束

5) 按1直到听到具体声音

这里的音调是 DTMF 音调, 我试图这样做 与呼叫意图......但我如何输入通过 通过持续调用 使用代码?

谁能指引我?

提前感谢!

请帮助我找出这个。 我想知道它是如何运作的。 我越来越多地在互联网上搜索, 但我不完全知道这一点。

提前感谢您

最佳回答

VOIP 中,只有这样才有可能,Android应用程序无法进入呼叫音频流。您可以用扬声器模式伪造音频流。

问题回答

尝试取消 microphone (也许通过 AudioManager.setMicrophoneMute ),同时播放音调。





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