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Routeing of calls to European Telephony Numbering Space (ETNS) services

Management of the European Telephony Numbering Space (ETNS)

Transmission and Multiplexing (TM) – Synchronous Digital Hierarchy (SDH) – SDH leased lines – Network and terminal interface presentation

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Message waiting indication supplementary service [ISO/IEC 15506 (2003), modified]

Private Integrated Services Network (PISN) - Specification, functional models and information flows - Call interception Additional Network Feature (ANF) [ISO/IEC 15053 (2003), modified]

Private Integrated Services Network (PISN) - Specification, functional models and information flows - Recall supplementary service [ISO/IEC 15051 (2003), modified]

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Recall supplementary service [ISO/IEC 15052 (2003), modified]

Private Integrated Services Network (PISN) - Specification, functional models and information flows - Message waiting indication supplementary service [ISO/IEC 15505 (2003), modified]

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Advice of charge supplementary services [ISO/IEC 15050 (2003), modified]

Terminal Equipment (TE) - Attachment requirements for pan-European approval for connection to the analogue Public Switched Telephone Networks (PSTNs) of TE supporting the voice telephony service in which network addressing, if provided, is by means of Dual ToneMulti Frequency (DTMF) signalling

Digital cellular telecommunications system (Phase 2+) – Support of Mobile Number Portability (MNP) – Service description – Stage 1 (GSM 02.66 version 7.0.2. Release 1998)

Digital cellular telecommunications system (Phase 2+) – Support of Mobile Number Portability (MNP) – Technical Realisation – Stage 2 (GSM 03.66 Version 7.3.1 Release 1998)