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CAMEL Phase 4 Stage 2

Stage 2 spec for CAMEL Phase 4, enabling operator-specific services while roaming with enhanced call control, location,

Line Identification Supplementary Services Stage 2

Stage 2 description of calling and connected line identification supplementary services (CLIP, CLIR, COLP, COLR).

Call Waiting and Hold Supplementary Services Stage 2

Stage 2 specification for Call Waiting (CW) and Call Hold (HOLD) supplementary services in 3GPP networks.

Value-added Services for SMS (VAS4SMS)

Stage 2 specification for SMS value-added services like forwarding, receipt, auto-reply. Defines architecture, interface

Compression algorithm for SMS

Defines compression algorithms for text messaging services to reduce bandwidth usage and improve efficiency.

3GPP User Data Convergence (UDC) Technical Report

Describes concept of User Data Convergence to centralize user data, simplify network topology, avoid duplication, and en

Quality of Service (QoS) concept and architecture

Framework for QoS in 3GPP systems, defining UMTS/RAB attributes and QoS architecture.

3GPP Network Architecture Overview

Overview of 3GPP network architectures covering UTRAN, GERAN, E-UTRAN, EPS, and IMS.

Speech-Enabled Services and Multimodal Framework

Explores speech-enabled services, multimodal interfaces, and distributed speech recognition for 3G networks.

Study on Public Warning System (PWS)

Identifies requirements and aspects for a Public Warning System delivering emergency alerts via 3GPP networks.

Fraud Information Gathering System (FIGS)

Specifies fraud monitoring for roaming subscribers using TAP and CAMEL across three service levels to detect suspicious

IMS Convergent Multimedia Conferencing Requirements Study

Studies requirements for IMS-based multimedia conferencing services including conference framework, media control, floor

UE Radio Transmission and Reception

Defines UE radio transmission and reception requirements for LTE, including RF parameters and performance.

Facsimile Group 3 Technical Realization in UMTS

Specifies procedures for real-time Group 3 fax service in UMTS networks using non-transparent support, covering mobile-t

SMS Technical Realization

Defines SMS architecture, protocols, and network functions for GSM/UMTS.

User-to-User Signalling (UUS) supplementary service

Stage 2 specification for UUS supplementary service enabling transfer of user information during calls via signalling ch

Tandem Free Operation (TFO) Stage 2

Defines stage 2 service description for TFO in GSM/UMTS to improve speech quality by avoiding double transcoding in mobi

IMS Multimedia Telephony Service Definition

Defines IMS-based multimedia telephony service with supplementary services for wireless access, ensuring interoperabilit

GPRS Service Description Stage 2

Stage 2 service description for GPRS packet bearer service covering GERAN and UTRAN core network functionality.

General UMTS Architecture

Defines basic physical and functional separation of UMTS, including domains and reference points.

Closed User Group (CUG) Supplementary Service

Stage 2 specification for Closed User Group service, defining call handling, authorization, and roaming procedures for p

Support of Optimal Routeing (SOR)

Specifies methods to route calls directly between mobile subscribers without unnecessary HPLMN routing, reducing call se

Network Composition Feasibility Study

Studies uniform procedure for dynamic integration of heterogeneous networks with 3GPP systems, enabling plug-and-play in

Mobile Number Portability (MNP) Support

Describes technical alternatives for implementing Mobile Number Portability in GSM/UMTS networks, including IN-based and

Subscriber Data Management

Stage 2 description of subscriber data management handling between HLR, VLR, and SGSN.

Privacy Requirements Investigation for 3GPP Services

Investigates privacy requirements for 3GPP services, identifies privacy-related information, stakeholders, and aims to d

SMS over IP Access Networks

Specifies capabilities to support SMS over generic IP access networks using IMS, including architecture, interworking wi

Network Sharing Technical Report

Investigates network sharing scenarios, requirements, and technical specifications needed for standardized shared networ

Multi Party (MPTY) Supplementary Service Stage 2

Stage 2 description of the Multi Party (MPTY) supplementary service, including functions, information flows, and procedu

Alphabets and Language-Specific Information

Defines character sets, languages, and message handling for SMS, CBS, USSD, and MMI. Specifies data coding schemes and n

Location Management Procedures

Defines location management procedures for circuit-switched domain including location updating, cancellation, MS purging

Basic Call Handling

Specifies call origination, termination, and release for GSM/UMTS mobile subscribers.

Super-Charger Technical Realization

Specifies signaling reduction for mobility by retaining subscriber data in previous network nodes during location update

Study on All-IP Network (AIPN) Feasibility

Studies feasibility of evolving 3GPP system to All-IP Network, analyzing drivers, requirements, migration paths.

eMLPP Stage 2 Specification

Specifies stage 2 of enhanced Multi-Level Precedence and Pre-emption service for call priority, fast set-up, and pre-emp

Call Forwarding (CF) Supplementary Services Stage 2

Stage 2 specification for Call Forwarding supplementary services (CFU, CFB, CFNRy, CFNRc), covering procedures, interact

Follow-Me (FM) Stage 2 Specification

Stage 2 spec for Follow-Me feature enabling a subscriber to forward calls destined for a remote party to themselves via

Customized Alerting Tone (CAT) Service Requirements

Studies requirements and capabilities for Customized Alerting Tone service in CS/PS domains, focusing on roaming, intero

Immediate Service Termination (IST)

Specifies stage 2 description of IST service for HPLMN to terminate subscriber activities in VPLMN. Covers CAMEL and non

NAS idle mode functions for MS

Defines NAS tasks for mobile stations in idle mode, including PLMN selection, cell camping, and procedures for multi-sys

Mobile radio interface layer 3 specification

Defines layer 3 procedures for call control, mobility management, and session management over GSM/GPRS radio interface.

Feasibility Study on Multimedia Priority Service

Assesses 3GPP specifications' ability to meet high-level requirements for Multimedia Priority Service (MPS) for emergenc

HSCSD Stage 2 Specification

Stage 2 service description for High Speed Circuit Switched Data (HSCSD) on GSM/GERAN, enabling higher data rates via mu

Cell Broadcast Service Technical Realization

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

Multiple Subscriber Profile (MSP) Phase 2 Stage 2

Specifies stage 2 of MSP Phase 2, enabling multiple profiles per subscriber using CAMEL Phase 3 for flexible service han

Supplementary Services Technical Realization

Describes technical realization of supplementary services in 3GPP systems, including activation, deactivation, registrat

Explicit Call Transfer (ECT) Stage 2

Stage 2 description of Explicit Call Transfer supplementary service for 3GPP networks, covering procedures and informati

Combinational Service Requirements Study

Studies requirements for combining CS calls with IMS sessions into a single service, covering user experience, charging,

Out-of-Band Transcoder Control Stage 2

Specifies procedures for transcoder-free and tandem-free speech operation using out-of-band signaling to negotiate codec

UMTS Access Stratum Services and Functions

Specifies services and functions of the UMTS Access Stratum, defining its boundary with the Non-Access Stratum and key d