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Information technology. Telecommunications and information exchange between systems. Private integrated servi…

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call priority interruption an…

Overview SIST EN 301 656 V1.1.1:2005 is a European standard specifying the inter-exchange signalling protocol for Private Integrated Services Networks (PISN). Developed by the Slovenian Institute for…

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call priority interruption an…

Overview SIST EN 301 656 V1.2.1:2005 establishes a European standard for the inter-exchange signalling protocol that supports Call Priority Interruption (CPI) and Call Priority Interruption Protectio…

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call priority interruption an…

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call priority interruption an…

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 15992:2003 specifies the inter-exchange signalling protocol (stage 3) for the Call Priority Interruption (SS-CPI) and Call Priority Interruption Protection (SS-CPIP) supplementary se…