A contract or agreement to purchase any consumer goods or services pursuant to an unsolicited telephone call or message, including a cellular telephone call or text message, made by an automatic dial announcing device conveying a prerecorded or synthesized voice message or an automatic dialing device with electronic text message delivery capabilities and without the use of a live operator in violation of the Oklahoma Consumer Protection Act¹ shall be voidable at the option of the consumer, unless it has been memorialized in writing and signed by the consumer.