很遺憾，加州的法不允許你這樣做，違法的。

California Wiretapping Law

California's wiretapping law is a "two-party consent" law. California makes it a crime to record or eavesdrop on any confidential communication, including a private conversation or telephone call, without the consent of all parties to the conversation.
www.dmlp.org/legal-guide/california-recording-law

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