Information technology - Cloud computing - Interoperability and portability (Adopted ISO/IEC 19941:2017, first edition, 2017-12)
Edition 2018-12-01

Integrated Services Digital Network (ISDN) - Terminal Portability (TP) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: Protocol specification
Edition 1998-09-01

Integrated Services Digital Network (ISDN) - Terminal Portability (TP) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (incl. Diskette!!!)
Edition 1998-10-01

Integrated Services Digital Network (ISDN) - Signalling System No.7 (SS7) - ISDN User Part (ISUP) version 4 for the international interface - Part 7: Terminal Portability (TP) supplementary service [ITU-T Recommendation Q.733, clause 4 (1993), modified]
Edition 2001-11-01

Digital cellular telecommunications system (Phase 2+) - Support of Mobile Number Portability (MNP) - Service description - Stage 1 (GSM 02.66 version 7.0.2 Release 1998)
Edition 2000-03-01

Digital cellular telecommunications system (Phase 2+) - Support of Mobile Number Portability (MNP) - Technical Realisation - Stage 2 (GSM 03.66 version 7.3.1 Release 1998)
Edition 2000-12-01

Services and Protocols for Advanced Networks (SPAN) - Number portability for ETNS services
Edition 2003-01-01

Integrated Services Digital Network (ISDN) - Signalling System No.7 (SS7) - ISDN User Part (ISUP) - Enhancements for support of Number Portability (NP) [ITU-T Recommendation Q.769.1 (2000), modified]
Edition 2000-12-01

Information technology. Cloud computing. Interoperability and portability
Edition 2018-01-16

TIA/EIA-41-D Enhancements for Wireless Number Portability Phase II
Edition 2002-01