Except as set forth in sections 5 and 6,¹ notwithstanding any other provision of law, no department, agency, commission or political subdivision of the Commonwealth may enact or enforce, either directly or indirectly, any law, rule, regulation, standard, order or other provision having the force or effect of law that regulates, or has the effect of regulating, the rates, terms and conditions of VoIP service or IP-enabled service.