Alarm systems. transmission systems and equipment Requirements for used in with voice communicators using the public switched telephone network
€172.00
Alarm systems. transmission systems and equipment Requirements for with digital communicators using the public switched telephone network
€99.00
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Circuit-mode multi-rate bearer services. Service description, functional capabilities and information flows
€201.00
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Circuit-mode 64 kbit/s bearer services. Service description, functional capabilities and information flows
€421.00
Apparatus for connection to public telecommunications systems using the Digital Access Signalling System No. 2 (DASS 2) via a 2048 kbit/s CCITT Recommendation G.703 interface Requirements apparatus Channel Associated Systems (CASS)
Apparatus for connection to public telecommunications systems using the Digital Access Signalling System No. 2 (DASS 2) via a 2048 kbit/s CCITT Recommendation G.703 interface General requirements
€329.00
PNO-ISC specification number 003. C7 interconnect signalling connection control part (SCCP)
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Specification, functional model and information flows. Common information additional network feature
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Inter-exchange signalling protocol. Call priority interruption and call priority interruption protection supplementary services
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Specification, functional model and information flows. Call priority interruption and call priority interruption protection supplementary services
€370.00
Information technology. Telecommunications and information exchange between systems. Private integrated services networks. Addressing
€281.00
Information technology. Telecommunication and information exchange between systems. Private integrated services network. Circuit mode bearer services. Inter-exchange signalling procedures and protocol
Private branch exchanges for connection to public switched telephone networks run by certain telecommunications operators Specification ports
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Specification, functional model and information flows. Path replacement additional network feature
Specification for copper binding and jointing wires for telegraph and telephone purposes
