Digital data transmission Complements to the basic mode control procedures; recovery, abort and interrupt, multiple station selection
€172.00
Digital data transmission Basic mode control procedures; conversational information message transer
€99.00
Apparatus for connection to private circuits run by certain public telecommunication operators Specification apparatus speechband
€370.00
Apparatus for connection to private circuits run by certain public telecommunication operators Specification apparatus baseband
€281.00
Apparatus for connection to private circuits run by certain public telecommunication operators Specification apparatus telegraph using SCVF signalling
Apparatus using cordless attachments (excluding cellular radio apparatus) for connection to analogue interfaces of public switched telephone networks Specification general requirements
€85.00
Private branch exchanges for connection to public switched telephone networks run by certain telecommunication operators Specification the procedure in-service observation of PBXs undergoing type approval
Specification for telex terminal apparatus for connection to public telecommunications operators' telex networks
€390.00
Apparatus using cordless attachments (excluding cellular radio apparatus) for connection to analogue interfaces of public switched telephone networks Specification the elements within PBX apparatus with PSTN and terminating stations treated as an entirety
€201.00
Method for the specification of basic and supplementary services of private telecommunication networks
Scenarios for interconnections between exchanges of private telecommunication networks
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
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 Specification automatic-repeat call attempt facilities
Specification for general requirements for apparatus for connection to public switched telephone networks run by certain public telecommunication operators
€329.00
Apparatus using cordless attachments (excluding cellular radio apparatus) for connection to analogue interfaces of public switched telephone networks Specification the simple call routeing mode PBX operation with PSTN and terminating stations treated as an entirety
