space in their premises for the installation of hardware and allow for the maintenance of the equipment installed in their premises. e) Network operators shall facilitate the interconnection links, including connectivity to any fiber, between RURA’s monitoring systems installed at their switch centres and RURA’s main operating centre for the transport of signalling messages. f) For guaranteeing the correct management of the signalling data extracted from the network operators, signalling data shall be processed and stored exclusively for the purpose of monitoring compliance with the license obligations. g) Signalling data received will be stored in modified versions, either encrypted or with the last three digits of the calling numbers with the called numbers eliminated. h) All signalling data are to be processed and stored through the right security measure and it shall be stored only for the duration necessary for the purpose of monitoring compliance with the license obligation. i) Signalling data received by RURA under these shall never be transmitted or given to third parties, public or private, with the exception of an order of a court of competent jurisdiction. j) Network operators shall file or register all signed interconnection and international carrier agreements with RURA and that these agreements shall be kept with the strictest confidence by RURA at all times. This shall help RURA with, among other things, the understanding and effects of any tariff fluctuation resulting from the actions of international carriers directly interconnected with local operators. Article 12.4 IGTVS Connectivity a) As outlined above, there will be a link between the network operators and RURA’s OTMU. b) All equipment to be connected to or for the IGTVS shall be of international standards with satisfactory quality and fit for their purpose. c) A network operator shall allow and permit the installation by RURA in its premises an Interconnection Border Control System and the linking the same to RURA’s monitoring centre. d) The planning and interfacing with existing networks operators’ international gateway shall be performed without affecting or Regulations for International Gateway Traffic Verification System for Network Operators in Rwanda