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ITU-T D.195 Supplement 3 Time-scale for settlement of accounts for international telecommunication services - Supplement 3: Prepayment guidelines
ITU-T D.195 Supplement 1 Time-scale for settlement of accounts for international telecommunication services - Supplement 1: Credit management guidelines
ITU-T D.195 Supplement 2 Time-scale for settlement of accounts for international telecommunication services - Supplement on day sales outstanding management guidelines
ITU-T D.50 Supplement 2 International Internet connection - Supplement 2: Guidelines for reducing the costs of international Internet connectivity
ITU-T X.1254 Erratum 1 (05/13) Entity authentication assurance framework, Erratum 1
ITU-T Y.1545 Roadmap for the quality of service of interconnected networks that use the Internet Protocol
ITU-T Q.1742.10 IMT-2000 references (approved as of 31 December 2011) to ANSI-41 evolved core network with cdma2000 access network
ITU-T Q.3946.2 Conformance test specification for the session initiation protocol - Part 2: Test suite structure and test purposes
ITU-T X Supplement 19 ITU-T X.1120-X.1139 series - Supplement on security aspects of smartphones
ITU-T Q.3942.1 Conformance test specification for the terminating identification restriction using IP multimedia core network subsystem - Part 1: Protocol implementation conformance statement
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