BS ISO/IEC 13241:1997 | British Standards

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33.040.35 Telephone networks

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

BS ISO/IEC 13241:1997

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


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