How to record a conversation from an incoming call on iPhone5?

Question

iPhone

Dear Toaster people,
Please tell me the easiest way to record a phone conversation from an incoming call on iphone5 without an Internet connection?

Answer 1

Without Jailbreak - it's a bit complicated, but there is one thing .
And with jailbreak you can see:
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Answer 2

Does tape-a-call write to memory or to the Internet?