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ITU-T F.127 Operational procedures for interworking between the international telex service and the service offered by the INMARSAT-C system
ITU-T F.72 The international telex service - General principles and operational aspects of a store and forward facility
ITU-T U.81 International telex store-and-forward - Delivery to a telex subscriber
ITU-T U.208 The international telex service - Interworking with the INMARSAT C system using one-stage selection
ITU-T E.771 Network grade of service parameters and target values for circuit-switched public land mobile services
ITU-T L.22 Fire protection
ITU-T L.20 Creation of a fire security code for telecommunication facilities
ITU-T L.23 Fire extinction - Classification and location of fire extinguishing installations and equipment on premises
ITU-T L.21 Fire detection and alarm systems, detector and sounder devices
ITU-T D.186 General tariff and accounting principles for international two-way multipoint telecommunication service via satellite
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