Private Telecommunication Network (PTN) - Specification, functional model and information flows - Do not disturb and do not disturb override supplementary services; English version ETS 300363:1994
€173.74
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
Transmission and Multiplexing (TM) - Synchronous Digital Hierarchy (SDH) information model for the Network Element (NE) view; English version ETS 300304:1994
€128.22
Transmission and Multiplexing (TM) - Plesiochronous Digital Hierarchy (PDH) information model for the Network Element (NE) view; English version ETS 300371:1994
€91.03
Signalling Protocols and Switching (SPS) - Q3 interface at the Access Network (AN) for configuration management of V5 interfaces and associated user ports - Part 1: Q3 interface specification; English version ETS 300376-1:1994
Signalling protocols and switching (SPS) - Q3 interface at the Local Exchange (LE) for configuration management of V5 interfaces and associated customer profiles - Part 1: Q3 interface specification; English version ETS 300377-1:1994
€179.53
Transmission and Multiplexing (TM) - Synchronous Digital Hierarchy (SDH) - Multiplexing structure; English version ETS 300147:1995
€41.78
Private Telecommunication Networks (PTN) - Terms and definitions; English version ETS 300415:1995
€56.17
Transmission and Multiplexing (TM) - Generic frame structures for the transport of various signals (including Asynchronous Transfer Mode (ATM) cells and Synchronous Digital Hierarchy (SDH) elements) at the CCITT Recommendation G.702 hierarchical rates of 2048 kbit/s, 34368 kbit/s and 139264 kbit/s; English version ETS 300337:1995
€63.27
Distribution automation using distribution line carrier systems - Part 3: Mains signalling requirements; section one: Frequency bands and output levels (IEC 57/226/CD:1995)
Transmission and Multiplexing (TM) - Availability performance of path elements of international digital paths; English version I-ETS 300416:1995
Private Telecommunication Network (PTN) - Specification, functional model and information flows - Call intrusion supplementary service; English version ETS 300425:1995
Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Call intrusion supplementary service; English version ETS 300426:1995
Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Supplementary service interactions; English version ETS 300427:1995
€116.64
High-level data link control (HDLC) procedures - ITU-T X.25 LAPB-compatible data link procedures for data terminal equipment; identical with ISO/IEC 7776:1995
€140.00
