According to Oklahoma law, it is a felony to willfully intercept, endeavor to intercept, or disclose the contents of any wire, oral, or electronic communication. Okla. Stat. tit. 13 § 176.3. It is not a crime for a person to intercept a wire, oral, or electronic communication when the person is a party to the conversation or when one party to the conversation has given prior consent, so long as the person does not intercept the communication for criminal purposes. Okla. Stat. tit. § 176.4.
Under the statute, consent is not required for the taping of a non-electronic communication uttered by a person who does not have a reasonable expectation of privacy in that communication. Okla. Stat. tit. § 176.2.
Unlawful recording or disclosure is a felony punishable by a fine of not less than $5,000 and jail time not to exceed five years. Okla. Stat. tit. § 176.3.
It is also a misdemeanor to secretly loiter with the intent of eavesdropping and to repeat or publish anything overheard. Okla. Stat. tit. 21 § 1202.