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Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Private User Mobility (PUM);…

Overview SIST EN 301 821 V1.2.1:2005 is a Slovenian national standard that endorses the European Norm (EN) 301 821 Version 1.2.1. This standard, developed within the telecommunications sector, specif…

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Private User Mobility (PUM);…

Information technology — Telecommunications and information exchange between systems — Private Integrated Ser…

Information technology — Telecommunications and information exchange between systems — Private Integrated Ser…

Overview ISO/IEC 17876:2003 defines the signalling protocol for the Private User Mobility Registration supplementary service (SS‑PUMR) used in Private Integrated Services Networks (PISNs). It is the…