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Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Short message service [ISO/IE…

Overview SIST EN 301 991 V1.1.1:2005 is a Slovenian standard that endorses the European Standard EN 301 991. It specifies the inter-exchange signalling protocol for Short Message Service (SMS) design…

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Short message service [ISO/IE…

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

Overview ISO/IEC 21990:2002 - "Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Inter‑exchange signalling protocol - Short…