Information technology. Telecommunications and information exchange between systems. Private integrated services network. Inter-exchange signalling protocol. Route restriction class additional network feature Ingestion-build-258901 Physical quantities

Physical quantities

Contents of BS EN 764-2

test methods and sampling have been technical changed (e

Safe working practices

wall thickness

Information technology. Telecommunications and information exchange between systems. Private integrated services network. Inter-exchange signalling protocol. Route restriction class additional network feature Ingestion-build-258901 Physical quantities1 Scope This International Standard specifies the signalling protocol for the support of the Route Restriction Class (RRC) additional network feature (ANF RRC) at the Q reference point between Private Integrated Services Network Exchanges (PINXs) connected together within a Private Integrated Services Network (PISN). ANF RRC is a feature which applies in the establishment phase of a call, allowing that call to access facilities that are within an