Private branch exchanges for connection to public switched telephone networks run by certain telecommunication operators Specification private with terminating stations treated as an entirety
€193.00
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
Public Switched Telephone Network (PSTN) - Protocol over the local loop for display and related services; Terminal equipment requirements - Part 2: On-line data transmission; English version ETS 300778-2:1998
€56.17
Alarm systems. transmission systems and equipment Requirements for with voice communicators using the public switched telephone network
€95.00
Public Switched Telephone Network (PSTN) - Protocol over the local loop for display and related services - Terminal Equipment requirements - Part 1: Off-line data transmission; English version ETS 300778-1:1997
€105.42
Public Switched Telephone Network (PSTN) - Subscriber line protocol over the local loop for display (and related) services - Part 2: Off-hook data transmission; English version ETS 300659-2:1997
€41.78
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. Inter-exchange signalling protocol. Recall supplementary service
€269.00
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Specification, functional model and information flows. Call interception additional network feature
€316.00
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Inter-exchange signalling protocol. Call interception additional network feature
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Specification, functional model and information flows. Transit counter additional network feature
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Specification, functional model and information flows. Advice of charge supplementary services
€374.00
Information technology. Telecommunications and information exchange between systems. Private integrated services network. Inter-exchange signalling protocol. Advice of charge supplementary services
€355.00
