(a) No person may use any device which transmits an unsolicited recorded telephone message for any commercial, business or advertising purpose to any telephone customer in the state and which continues the call and message after the customer hangs up the receiver. Any person violating the provisions of this section shall be fined not more than one thousand dollars.
(b) Any person who violates the provisions of subsection (a) of this section while intentionally using a blocking device or service to circumvent a telephone customer's use of a caller identification service or device shall be guilty of a class A misdemeanor.