Oregon Revised Statutes Trade Regulations and Practices § 646A.374

(1) A caller who uses an automatic dialing and announcing device in order to call a subscriber may not misrepresent or falsify, either in speaking with the subscriber or in the prerecorded or synthesized voice message disseminated during the call:

(2) A caller may not intentionally alter, misrepresent or falsify the information that a caller identification service would ordinarily provide to a subscriber who uses such a service.

(3) A person who provides a caller identification service is not subject to civil liability for a caller's violation of this section.