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ITU-T Q.1551 Application of Intelligent Network Application Protocols (INAP) CS-1 for UPT service set 1
ITU-T Q.86.4 Stage 2 description for charging supplementary services : International Freephone Service (IFS)
ITU-T Q.751.2 Network element management information model for the Signalling Connection Control Part
ITU-R SA.1024-1 Necessary bandwidths and preferred frequency bands for data transmission from Earth exploration satellites (not including meteorological satellites)
ITU-T G.962 AMD 1 Access digital section for ISDN primary rate at 2048 kbit/s, Amendment 1: Maintenance channel
ITU-T I.432.5 B-ISDN user-network interface - Physical layer specification : 25600 kbit/s operation
ITU-T Q.2735.1 Stage 3 description for community of interest supplementary services for B-ISDN using SS No. 7 : Closed User Group (CUG)
ITU-T Q.731.7 Stage 3 description for number identification supplementary services using Signalling System No. 7 : Malicious call identification (MCID)
ITU-T Q.952.7 Stage 3 description for call offering supplementary services using DSS1: Explicit call transfer (ECT)
ITU-T Q.788 User-network-interface to user-network-interface compatibility test specifications for ISDN, non-ISDN and undetermined accesses interworking over international ISUP
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