Alarm systems. transmission systems and equipment Requirements for with voice communicators using the public switched telephone network
€95.00
Alarm systems. transmission systems and equipment Requirements for used in with digital communicators using the public switched telephone network
€165.00
Alarm systems. transmission systems and equipment Requirements for used in with voice communicators using the public switched telephone network
Alarm systems. transmission systems and equipment Requirements for with digital communicators using the public switched telephone network
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
€193.00
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
€404.00
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Specification, functional model and information flows. Common information additional network feature
Specification for social alarm system apparatus for connection to public switched telephone networks
Specification for simple telephones for connection to public switched telephone networks run by certain public telecommunications operators
€316.00
BS 6305:1992 AMD1. Specification for generalrequirements for apparatus for connection to public switched telephonenetworks run by certain public telecommunications operators
BS 6789-7:1988 AMD1. Apparatus with one or more particular functions for connection to public switched telephonenetworks run by certain public telecommunications operators. Specification for apparatus with call barring facilities
Draft standard to match to and work with ETS 300 001/NET4. Specification for simple telephones for connection to public switched telephone networks run by certain public telecommunications operators
€355.00
Draft standard to match and work with ETS 300 001/NET4 "Apparatus one or more particular functions for connection public switched telephone networks run by certain telecommunications operators" Specification general requirements
Draft standard to match and work with ETS 300 001/NET4. Apparatus one or more particular functions for connection public switched telephone networks run by certain telecommunications operators. auto-calling, auto-answering auto-clearing facilities Specification
Draft standard to match and work with ETS 300 001/NET4 "Apparatus one or more particular functions for connection public switched telephone networks run by certain telecommunications operators". Specification series connected apparatus Apparatus having less than maximum allowable impairments