最佳答案
这是不可能的。根据这些应用程序的描述，它们使用第三方服务，而不是 iOS SDK API。
Steps for recording an incoming (existing) call:
1) Open Call Recorder
2) Go to the Record screen and tap the Record button
3) Your existing call is put on hold and your phone will dial our recording number
4) Once connected to our recording number, tap the Merge button on your screen to create a 3-way call between your existing call and our recording line
关于ios - 在 ios 中是否可以使用通话录音，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/40374433/