―interoperability‖ means the ability of communication systems, units, or elements to provide services to and accept services from other systems, units or forces and to use the services exchanged to enable them to operate effectively together; ―licensee‖ means a person licensed under the Act; ―local access provider‖ means any person licensed by the Commission to provide telecommunications service within a geographical area (telecommunications region) prescribed by the Commission within which a licensee is licensed to operate telecommunications systems and services and shall include regional telecommunications service providers; ―network facility‖ means any element that forms part of an electronic communications network and includes any wire, cable, antenna, mast or other thing which is or may be used for or in connection with communications; ―just and reasonable charges‖ means charges that enable a licensee maintain its financial integrity, attract capital, operate efficiently and fully compensate investors for risks borne; ―licensee‖ means a person licensed under the Act; ―local access licensee‖ means any person licensed by the Commission to provide telecommunications service within a specified geographical area (telecommunications region) within which a licensee is licensed to operate telecommunications systems and services and shall include regional telecommunications service licensees; ―network facility‖ means any element that forms part of an electronic communications network and includes any wire, cable, antenna, mast or other thing which is or may be used for or in connection with communications; ―point of interconnection‖ means a mutually agreed upon point where the exchange of traffic between the telecommunication system or apparatus of an interconnect provider and the telecommunications system or apparatus of an interconnecting licensee, takes place, including the exchange of traffic between a local access provider or mobile cellular communication service provider (where applicable) and another licensed telecommunications network service provider;