Oklahoma -
Security of Communications Act
Section 176.4 - Acts Not Prohibited.

It is not unlawful pursuant to the Security of Communications Act for:

1. an operator of a switchboard, or an officer, employee, or agent of any communication common carrier whose facilities are used in the transmission of a wire, oral or electronic communication to intercept, disclose, or use that communication in the normal course of his employment while engaged in any activity which is a necessary incident to the rendition of his service or to the protection of the rights or property of the carrier of such communication. Said communication common carriers shall not utilize service observing or random monitoring except for mechanical or service quality control checks; or
2. an officer, employee, or agent of any communication common carrier or other person authorized to provide information, facilities, or technical assistance to a law enforcement officer who is authorized to intercept a wire, oral or electronic communication; or
3. an officer, employee, or agent of the Federal Communications Commission, in the normal course of his employment and in discharge of the monitoring responsibilities exercised by the Commission in the enforcement of Chapter 5 of Title 47 of the United States Code, to intercept a wire, oral or electronic communication transmitted by radio or to disclose or use the information obtained; or
4. a person acting under color of law to intercept a wire, oral or electronic communication when such person is a party to the communication or one of the parties to the communication has given prior consent to such interception; or
5. a person not acting under color of law to intercept a wire, oral or electronic communication when such person is a party to the communication or when one of the parties to the communication has given prior consent to such interception unless the communication is intercepted for the purpose of committing any criminal act; or
6. a communication common carrier or an officer, agent, or employee thereof, or a person under contract with a communication common carrier, in the normal course of the business of the communication common carrier bidding upon contracts with or in the course of doing business with the United States, a state, or a political subdivision thereof, in the normal course of the activities of said entities, to send through the mail, send or carry in interstate or foreign commerce, manufacture, assemble, possess, or sell any electronic, mechanical, or other device knowing or having reason to know that the design of such device renders the device primarily useful for the purpose of the illegal interception of wire, oral or electronic communications; or
7. an officer or employee of the Oklahoma Department of Corrections to monitor any wire, oral or electronic communication where an incarcerated inmate is a party to that communication, if the inmate is given prior and conspicuous notice of the surveillance or monitoring.