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European digital cellular telecommunications system (Phase 2) -- Base Station System -- Mobile-services Switching Centre (BSS-MSC) interface -- Layer 1 specification (GSM 08.04)

European digital cellular telecommunications system (Phase 2) -- Signalling transport mechanism specification for the Base Station System -- Mobile-services Switching Centre (BSS-MSC) interface (GSM 08.06)

Digital cellular telecommunications system (Phase 2) -- Mobile-services Switching Centre -- Base Station System (MSC-BSS) interface -- Layer 3 specification (GSM 08.08)

European digital cellular telecommunications system (Phase 2) -- Rate adaption on the Base Station System -- Mobile-services Switching Centre (BSS-MSC) interface (GSM 08.20)

European digital cellular telecommunications system (Phase 2) -- Base Station Controller -- Base Transceiver Station (BSC-BTS) interface -- General aspects (GSM 08.51)

European digital cellular telecommunications system (Phase 2) -- Base Station Controller -- Base Receiver Station (BSC-BTS) interface -- Interface principles (GSM 08.52)

European digital cellular telecommunications system (Phase 2) -- Base Station Controller -- Base Transceiver Station (BSC-BTS) interface -- Layer 1 structure of physical circuits (GSM 08.54)

European digital cellular telecommunications system (Phase 2) -- Base Station Controller -- Base Transceiver Station (BSC-BTS) interface -- Layer 2 specification (GSM 08.56)

Digital cellular telecommunications system (Phase 2) -- Base Station Controller -- Base Transceiver Station (BSC-BTS) interface -- Layer 3 specification (GSM 08.58)

Digital cellular telecommunications system (Phase 2) -- Inband control of remote transcoders and rate adaptors for Enhanced Full Rate (EFR) and full rate traffic channels (GSM 08.60 version 4.4.1)

European digital cellular telecommunications system (Phase 2) -- In-band control of remote transcoders and rate adaptors for half rate traffic channels (GSM 08.61)

European digital cellular telecommunications system (Phase 2) -- Mobile Application Part (MAP) specification (GSM 09.02)

Digital cellular telecommunications system (Phase 2) -- Mobile Application Part (MAP) specification (GSM 09.02 version 4.17.1)

European digital cellular telecommunications system (Phase 2) -- Signalling requirements on interworking between the Integrated Services Digital Network (ISDN) or Public Switched Telephone Network (PSTN) and the Public Land Mobile Network (PLMN) (GSM 09.03)

European digital cellular telecommunications system (Phase 2) -- Interworking between the Public Land Mobile Network (PLMN) and the Circuit Switched Public Data Network (CSPDN) (GSM 09.04)

European digital cellular telecommunications system (Phase 2) -- Interworking between the Public Land Mobile Network (PLMN) and the Packet Switched Public Data Network (PSPDN) for Packet Assembly/Disassembly (PAD) facility access (GSM 09.05)

European digital cellular telecommunications system (Phase 2) -- Interworking between a Public Land Mobile Network (PLMN) and a Packet Switched Public Data Network/Integrated Services Digital Network (PSPDN/ISDN) for the support of packet switched data transmission services (GSM 09.06)

Digital cellular telecommunications system (Phase 2) -- General requirements on interworking between the Public Land Mobile Network (PLMN) and the Integrated Services Digital Network (ISDN) or Public Switched Telephone Network (PSTN) (GSM 09.07)

Digital cellular telecommunications system (Phase 2) -- Information element mapping between Mobile Station -- Base Station System (MS-BSS) and Base Station System -- Mobile-services Switching Centre (BSS-MSC) -- Signalling procedures and the Mobile Application Part (MAP) (GSM 09.10 version 4.4.1)

European digital cellular telecommunications system (Phase 2) -- Signalling interworking for supplementary services (GSM 09.11)

Digital cellular telecommunications system (Phase 2) -- Signalling interworking for supplementary services (GSM 09.11)

Digital cellular telecommunications system (Phase 2) -- Mobile Station (MS) conformance specification -- Part 1: Conformance specification (GSM 11.10-1 version 4.21.1)

Digital cellular telecommunications system (Phase 2) -- Mobile Station (MS) conformance specification -- Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (GSM 11.10-2)

Digital cellular telecommunications system (Phase 2) -- Mobile Station (MS) conformance specification -- Part 3: Layer 3 (L3) Abstract Test Suite (ATS) (GSM 11.10-3 version 4.21.1)

European digital cellular telecommunications system (Phase 2) -- Specification of the Subscriber Identity Module -- Mobile Equipment (SIM-ME) interface (GSM 11.11)

Digital cellular telecommunications system (Phase 2) -- Specification of the Subscriber Identity Module -- Mobile Equipment (SIM-ME) interface (GSM 11.11 version 4.19.1)

Digital cellular telecommunications system (Phase 2) -- Base Station System (BSS) equipment specification -- Part 2: Signalling aspects (GSM 11.23 version 4.7.1)

Digital cellular telecommunications system (Phase 2) (GSM) -- Base Station System (BSS) equipment specification -- Part 3: Transcoder aspects (GSM 11.24 version 4.3.1)

Digital cellular telecommunications system (Phase 2 and Phase 2+) -- Base Station System (BSS) equipment specification -- Part 4: Repeaters (GSM 11.26 version 5.0.2)

Digital cellular telecommunications system (Phase 2) -- Network Management (NM) -- Part 1: Objectives and structure of Network Management (GSM 12.00)

Digital cellular telecommunications system (Phase 2) -- Network Management (NM) -- Part 2: Common aspects of GSM/DCS 1800 Network Management (GSM 12.01)

Digital cellular telecommunications system (Phase 2) -- Subscriber, Mobile Equipment (ME) and services data administration (GSM 12.02)

Digital cellular telecommunications system (Phase 2) -- Security management (GSM 12.03)

Digital cellular telecommunications system (Phase 2) -- Performance data measurements (GSM 12.04)

Digital cellular telecommunications system (Phase 2) -- Event and call data (GSM 12.05 version 4.3.1)

Digital cellular telecommunications system (Phase 2) -- GSM Network configuration management (GSM 12.06)

Digital cellular telecommunications system (Phase 2) -- Base Station System (BSS) Management Information (GSM 12.20)

Digital cellular telecommunications system (Phase 2) -- Network Management (NM) procedures and messages on the A-bis interface (GSM 12.21)

Digital cellular telecommunications system (Phase 2) -- Interworking of GSM Network Management (NM) procedures and messages at the Base Station Controller (BSC) (GSM 12.22)

Digital cellular telecommunications system (Phase 2) -- Unstructured Supplementary Service Data (USSD) -- Stage 1 (GSM 02.90 version 4.1.1)

European digital cellular telecommunications system (Phase 2) -- Application of the Base Station System Application Part (BSSAP) on the E-interface (GSM 09.08)

Digital cellular telecommunications system (Phase 2) -- Subscriber and equipment trace (GSM 12.08 version 4.5.1)

European digital cellular telecommunications system (Phase 2) -- Alphabets and language-specific information (GSM 03.38)

Digital cellular telecommunications system (Phase 2) -- Subscriber data management -- Stage 2 (GSM 03.16)

Transmission and Multiplexing (TM) -- Low capacity point-to-point Digital Radio Relay Systems (DRRS) operating in the 1,4 GHz frequency band

Transmission and Multiplexing (TM) -- Fixed radio link equipment for the transmission of analogue video signals operating in the frequency range 24,25 GHz to 29,50 GHz

Transmission and Multiplexing (TM) -- Digital Radio Relay Systems (DRRS) -- Low and medium capacity point-to-point DRRS operating in the frequency range 2,1 to 2,6 GHz

Transmission and Multiplexing (TM) -- Synchronous Digital Hierarchy (SDH) -- Radio specific functional blocks for transmission of Mx STM-N

Transmission and Multiplexing (TM) -- Time Division Multiple Access (TDMA) point-to-multipoint digital radio systems in the frequency range 1 to 3 GHz