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Private Integrated Services Network (PISN); Specification, functional model and information flows; Short mess…

Overview SIST EN 301 990 V1.1.1:2005 is a European and Slovenian standard specifying the functional model and information flows for the Short Message Service (SMS) supplementary service within Privat…

Private Integrated Services Network (PISN); Specification, functional model and information flows; Short mess…

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

Overview ISO/IEC 21989:2002 specifies the Short Message Service (SMS) for Private Integrated Services Networks (PISNs). It defines both the user-visible service (stage 1) and the functional model wit…