Notwithstanding any other provision of law, the Commission shall not have any jurisdiction and authority, including jurisdiction and authority over any obligation of a competitive telephone company to seek approval from the Commission, to regulate, supervise, or promulgate rules relating to the retail services, rates, and terms of service of a competitive telephone company, except as specifically enumerated in this chapter. The Commission shall have discretion as to the extent to which it will exercise the authority granted to it in this chapter. Nothing in this chapter grants, affects, modifies, or limits any rights, duties, obligations, or authority of any entity, including the Commission, (i) pursuant to the provisions of 47 U.S.C. § 251 and 47 U.S.C. § 252 or (ii) related to wholesale telephone services and issues, including the payment of switched network access rates or other intercarrier compensation, interconnection, porting, and numbering.