Private Telecommunication Network (PTN); specification, functional models and information flows; name identification supplementary services; English version ETS 300237:1993
€77.20
Private Telecommunication Network (PTN); inter-exchange signalling protocol; name identification supplementary services; English version ETS 300238:1993
Distributionboxes for telecommunication systems; dimensions, types
€34.30
Business telecommunications (BT); Open Network Provision (ONP) technical requirements; 2048 kbit/s digital unstructured leased line (D2048U); connection characteristics; English version ETS 300247:1993
Business telecommunications (BT); Open Network Provision (ONP) technical requirements; 2048 kbit/s digital unstructured leased line (D2048U); terminal equipment interface; English version ETS 300248:1993
Private Telecommunication Network (PTN); specification, functional models and information flows; diversion supplementary services; English version ETS 300256:1993
€98.32
Private Telecommunication Network (PTN); inter-exchange signalling protocol; diversion supplementary services; English version ETS 300257:1993
Private Telecommunication Network (PTN); specification, functional models and information flows; path replacement additional network feature; English version ETS 300258:1993
Private Telecommunication Network (PTN); inter-exchange signalling protocol; path replacement additional network feature; English version ETS 300259:1993
Private Telecommunication Network (PTN); specification, functional models and information flows; call transfer supplementary service; English version ETS 300260:1993
Private Telecommunication Network (PTN); inter-exchange signalling protocol; call transfer supplementary service; English version ETS 300261:1993
Business TeleCommunications (BTC); 64 kbit/s digital unrestricted leased line with octet integrity (D64U); network interface presentation; English version ETS 300288:1994
Business TeleCommunications (BTC); 64 kbit/s digital unrestricted leased line with octet integrity (D64U); connection characteristics; English version ETS 300289:1994
Business TeleCommunications (BTC); 64 kbit/s digital unrestricted leased line with octet integrity (D64U); terminal equipment interface; English version ETS 300290:1994
Transmission and Multiplexing (TM) - Physical and electrical characteristics of hierarchical digital interfaces for equipment using the 2048 kbit/s-based plesiochronous or synchronous digital hierarchies; English version ETS 300166:1993
€41.78
