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ITU-T F.163 Operational requirements of the interconnection of facsimile store-and-forward units
ITU-T D.91 Transmission in encoded form of maritime telecommunications accounting information
ITU-T F.162 Service and operational requirements of store-and-forward facsimile service
ITU-T Q.957.1 Stage 3 description for additional information transfer supplementary services using DSS 1 : User-to-user signalling (UUS)
ITU-T Q.2210 Message transfer part level 3 functions and messages using the services of ITU-T Recommendation Q.2140
ITU-T D.285 Guiding principles for charging and accounting for intelligent network supported services
ITU-T D.286 Charging and accounting principles for the global virtual network service