efficient use of telecommunications services and facilities. (2) All interconnection agreements shall facilitate end-to-end connectivity by ensuring that calls originated on the telecommunications system of an interconnect operator can be terminated at any point on the telecommunications system of any other telecommunications service provider on a non-discriminatory basis. (3) Any transmission of calls across and within telecommunications systems shall be seamless to both the calling and called parties. (4) All procedures for forecasting, ordering and provisioning interconnection shall be efficient and occur within reasonable time frames. (5) All facilities or systems used for interconnection shall be provided in sufficient capacity to enable the efficient transfer of information between interconnected telecommunication systems. (6) A service acquired as part of interconnection may be used for any lawful purpose. (7) indirectly- Interconnection agreements shall not, directly or (a) preclude or frustrate the exercise by any person of rights or privileges given under the Act, a licence or these Regulations; (b) impose any penalty, obligation or disadvantage on any person for exercising any rights under the Act, a licence or these Regulations; (c) prohibit a person from providing an interconnection service which that person is able to lawfully provide; or (d) frustrate the provision by any person of a telecommunications service that the person is able to lawfully provide. 33