In the event that a conflict arises between county commissions, between telephone companies, between a telephone company or companies and a county commission or commissions, or between the department of public safety and any of the foregoing entities concerning an emergency telephone system or systems or an enhanced emergency telephone system or systems, the Public Service Commission, upon application by such county commission, telephone company or department of public safety, shall resolve such conflict. The resolution of such conflict may include the modification or suspension of any final plan adopted pursuant to section six or six-a of this article or the ordering of the centralization of emergency telephone systems and enhanced emergency telephone systems.