Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Do not disturb and do not disturb override supplementary services; English version ETS 300364:1994
€145.14
Private Telecommunication Network (PTN) - Specification, functional model and information flows - Call completion supplementary services; English version ETS 300365:1994
€157.10
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
€74.00
Information technology - Telecommunications and information exchange between systems - Numbering and sub-addressing in private integrated services networks
Private Telecommunication Network (PTN); specification, functional models and information flows; diversion supplementary services; English version ETS 300256:1993
€98.32
Private Telecommunication Network (PTN); specification, functional models and information flows; path replacement additional network feature; English version ETS 300258:1993
€77.20
Private Telecommunication Network (PTN); specification, functional models and information flows; call transfer supplementary service; English version ETS 300260:1993
Private branch exchanges for connection to public switched telephone networks run by certain telecommunications operators Specification ports
€404.00
Private Telecommunication Network (PTN); specification, functional models and information flows; name identification supplementary services; English version ETS 300237:1993
Information technology. Functional standard for profiles T/C31 and T/D31. Analogue telephone circuit. Leased (permanent) service (COTS + CONS)
€269.00
Information technology. Functional standard for profiles T/C32 and T/D32. Analogue telephone circuit. Dial-up (PSTN) (COTS + CONS)
Private Telecommunication Network (PTN); specification, functional models and information flows; control aspects of circuit mode basic services; English version ETS 300171:1992
Private Telecommunication Network (PTN); specification, functional models and information flows; identification supplementary services; English version ETS 300173:1992
Private Telecommunication Network (PTN); addressing; English version ETS 300189:1992
Private branch exchanges for connection to public switched telephone networks run by certain telecommunications operators Specification general requirements
€316.00
