Reference configuration for connectivity relations of private telecommunication network exchanges; english version ENV 41004:1992
€41.78
IEEE Standard Methods and Equipment for Measuring the Transmission Characteristics of Pulse-Code Modulation (PCM) Telecommunications Circuits and Systems
€258.00
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 Specification automatic-repeat call attempt facilities
€165.00
Apparatus for connection to private circuits run by certain public telecommunication operators. Specification apparatus digital according CCITT Recommendation X.21 bis
Vocabulaire électrotechnique - Commutation et signalisation (en télécommunication)
€184.00
Apparatus for connection to private circuits run by certain public telecommunication operators. Specification apparatus forconnection digital with interfaces according CCITT G-series. Recommendations G.703 64 kbit/s service using codirectional option
€193.00
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
Method for the specification of basic and supplementary services of private telecommunication networks; english version ENV 41005:1990
Scenarios for interconnections between exchanges of private telecommunication networks; english version ENV 41006:1990
€56.17
IEEE Standard Definitions of Switching System Performance in a Telecommunications Environment
€79.00
IEEE Recommended Practice for Parameters to Characterize Digital Loop Performance
€51.00
Private branch exchanges for connection to public switched telephone networks run by certain telecommunication operators. Simple call-routing mode (SCRM). Specification the simple of PBX operation, with terminating stations treated as an entirety
Private branch exchanges for connection to public switched telephone networks run by certain telecommunication operators Specification the procedure of in-service observation PBXs undergoing type approval
€269.00
Private branch exchanges for connection to public switched telephone networks run by certain telecommunication operators.Facilities on private Specification facilities with terminating stations treated as an entirety
€316.00
Private branch exchanges for connection to public switched telephone networks run by certain telecommunication operators Specification general requirements