Rel-9

GSM Half Rate DTX Comfort Noise Generation

Specifies background noise evaluation, encoding/decoding and comfort noise generation for GSM half rate DTX to prevent n

GSM Half Rate Speech Codec Test Sequences

Specifies digital test sequences for bit-exact implementation of GSM half rate speech transcoder, VAD, comfort noise, an

Transmission Planning for Speech Service in GSM PLMN

This specification provides guidance on transmission planning for speech services in GSM PLMN, ensuring interworking wit

Requirements for MSs supporting DARP

Specifies requirements for mobile stations supporting Downlink Advanced Receiver Performance (DARP) independent of relea

LAPDm Protocol Specification

Defines LAPDm data link layer protocol for signalling on MS-BS interface, supporting unacknowledged and acknowledged mod

GSM/EDGE Radio Interface Channel Types

Defines channel types, access capabilities, and configurations for the Um reference point in GSM/EDGE networks.

GSM MS-BSS Interface General Aspects

Specifies general aspects, principles, and protocol layering for the GSM MS-BSS interface, covering channel structures,

MDT Feasibility Study for LTE/HSPA

Feasibility study on automating UE measurements to reduce drive tests in LTE/HSPA networks, defining use cases and requi

X2 Interface General Aspects and Principles

Defines X2 interface for interconnection of eNBs in E-UTRAN, supporting mobility, load management, and interference coor

Enhanced aacPlus AAC Encoder Specification

Defines the AAC encoder for Enhanced aacPlus, including filterbank, psychoacoustic model, and quantization.

3GPP TS 36.410: S1 Interface for E-UTRAN to EPC Interconnection

Defines the S1 interface for interconnection between E-UTRAN and EPC, specifying protocols, procedures, and capabilities

Layer 1 specification for S1 interface

Specifies physical layer (layer 1) for S1 interface in E-UTRAN, including frame delineation, clock extraction, alarms, a

SIM API C Language Testing Specification

Specifies conformance tests for SIM API in C, covering test environment, procedures, and tools for GSM and 3G networks.

EMC for 3G Mobile Terminals and Ancillaries

Specifies EMC requirements, tests, and limits for UTRA UE (FDD/TDD) and accessories to ensure electromagnetic compatibil

UE Conformance Test Specification Part 3: ATS

TTCN test suite for protocol conformance testing of 3GPP UE at Uu interface, covering releases R99 to Rel-9.

OSA API Mapping for Mobility

Maps OSA Mobility interface to CAP and MAP operations for user status and location.

UE Conformance Test ICS Proforma Specification

Provides ICS proforma for 3G UE protocol conformance testing, specifying test case applicability and implementation capa

PSS Characterization and Optimization

Characterizes 3GPP Packet-switched Streaming Service (PSS) performance, optimizing radio efficiency and QoS.

SLh Diameter Interface for LCS in EPC

Defines Diameter-based SLh interface between GMLC and HSS for Control Plane LCS routing info.

3GPP File Format Reference Software

Cover note for source code of 3GPP file format derived from ISO base media file format. Provides reference software for

Codec for Circuit Switched Multimedia Telephony Service

Specifies additions, deletions, and changes to ITU-T H.324 for 3GPP circuit switched multimedia service, focusing on cod

Fixed-point AMR-WB+ codec ANSI-C reference

Fixed-point ANSI-C code for Extended Adaptive Multi-Rate Wideband codec, defining bit-exact reference implementation for

Extended AMR-WB+ Codec ANSI-C Code

Floating-point ANSI-C code for Extended Adaptive Multi-Rate Wideband codec, including encoder/decoder implementation and

Generic Frame Format for AMR and GSM-EFR Speech Codecs

Describes a common frame format for AMR and GSM-EFR speech codecs, used for interfacing speech frames between 3G system

3GPP Codec Lists for OoBTC and TrFO

Defines codec lists for GSM and UMTS used in Out of Band Transcoder Control (OoBTC) for Transcoder Free Operation (TrFO)

3GPP TS 25431 v901: UTRAN Iub Interface Layer 1

Specifies standards for implementing Layer 1 on the Iub interface, focusing on transmission and coexistence requirements

AMR codec mapping to Iu, Nb, Uu interfaces

Specifies mapping of AMR, AMR-WB, GSM_EFR, GSM_FR, GSM_HR, and G.711 codecs to Iu, Nb, Uu, and A-interfaces over IP and

CAMEL Phase 4: Customized Applications for Mobile Network Enhanced Logic

Specifies stage 2 description for CAMEL phase 4, enhancing operator-specific services, including Optimal Routing, Call P

UTRA TDD Physical Channels & Transport Mapping

Defines physical channels and mapping of transport to physical channels for UTRA TDD mode.

UTRAN Overall Description

Describes UTRAN architecture, internal interfaces (Iub, Iur, Iu) and radio interface assumptions for UMTS.

UTRAN UE Positioning Stage 2

Defines UTRAN UE positioning architecture, methods, procedures for supporting location services in UMTS.

UTRA TDD UE and Network Measurements

Defines physical layer measurements for UE and network in TDD mode for idle and connected mode operations.

3GPP TS 25.215 v920: Physical layer - Measurements (FDD)

Defines measurements for FDD mode at UE and network, supporting idle and connected modes, including RSCP, RSSI, and Ec/N

Layer 3 Architecture for GSM/UMTS/EPS

Defines layer 3 protocol architecture for GSM Um interface and EPS NAS, covering RR, MM, CM sublayers for non-GPRS, GPRS

eMLPP Supplementary Service Procedures

Specifies radio interface procedures for enhanced Multi-Level Precedence and Pre-emption service in GSM and UMTS.

3GPP-WLAN Interworking System Architecture

Specifies system architecture and procedures for interworking between 3GPP systems and WLANs, extending 3GPP services to

PLMN Access Reference Configuration

Defines reference configurations and functional groups for PLMN access, including MS-BS, UE-UTRAN, and UE-E-UTRAN interf

CCBS Supplementary Service Stage 2

Defines Completion of Calls to Busy Subscriber (CCBS) service for GSM/UMTS networks, including architecture, timers, and

Multiple Subscriber Profile (MSP) Stage 2

Specifies MSP supplementary service using CAMEL Phase 3, enabling multiple subscriber profiles for different service nee

Follow Me (FM) Feature Stage 2 Description

Describes Follow Me feature allowing subscriber A to control call forwarding of remote party B to A's number using USSD.

Unstructured Supplementary Service Data (USSD) Stage 2

Defines the handling of USSD for communication between MS and PLMN, including network and mobile-initiated USSD.

Explicit Call Transfer (ECT) Supplementary Service

Stage 2 description of ECT service defining procedures, information flows, and interactions with other services for call

Multi Party Supplementary Service Stage 2

Defines the Multi Party (MPTY) service for 3GPP networks, enabling conference calls with multiple remote parties.

Support of Optimal Routeing (SOR) Phase 1

Specifies technical realisation of Optimal Routeing for mobile-to-mobile calls and call forwarding, reducing routing via

Tandem Free Operation (TFO) in GSM and UMTS

Defines stage 2 service description for Tandem Free Operation (TFO) in GSM and UMTS, focusing on speech calls to improve

Short Message Service (SMS) for GSM/UMTS Networks

Defines the SMS service, including architecture, protocols, and functionalities for GSM/UMTS networks, ensuring reliable

Enhanced Multi-Level Precedence and Pre-emption Service

Specifies eMLPP for call priority, fast setup, and pre-emption in GSM/UMTS networks.

Cell Broadcast Service and Public Warning System

Defines CBS for GSM/UMTS and PWS for GSM/UMTS/E-UTRAN, including network architecture and message formats.

SMS, CBS, USSD Character Sets and Coding

Defines character sets, languages, and message handling for SMS, CBS, and USSD, including data coding schemes and messag

Immediate Service Termination (IST) Stage 2

Specifies IST service for HPLMN to terminate subscriber activities in VPLMN using CAMEL or non-CAMEL implementations.