Private branch exchanges for connection to public switched telephone networks run by certain telecommunication operators Specification general requirements
€269.00
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
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
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
Code of practice for installation of private branch exchanges for connection to the British Telecommunications public switched telephone network
Code of practice for the selection and accommodation of telephone, telegraph and data communication installations
Code of practice for installation apparatus intended connection to certain telecommunication systems Installation switching that may be connected analogue
€165.00
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
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
