Steve,
Have you read the law?
Ariz. Rev. Stat. Ann. § 13-3012
Exemptions
The following are exempt from the provisions of this chapter:
9. The interception of any wire, electronic or oral communication by any person, if the interception is effected with the consent of a party to the communication or a person who is present during the communication, or the installation of a pen register or trap and trace device with the consent of a user or subscriber to the service.
Now let's please stop.