23 Series: Technical realization ("stage 2")

Network architecture
Numbering, addressing and identification
Restoration procedures
Organization of subscriber data
Handover procedures
Technical realization of Supplementary Services
Location management procedures
Support of Dual Tone Multi-Frequency (DTMF) signalling
Technical realization of Operator Determined Barring (ODB)
Subscriber data management; Stage 2
Basic call handling; Technical realization
3G Security; Fraud Information Gathering System (FIGS); Technical realization; Stage 2
Universal Geographical Area Description (GAD)
High Speed Circuit Switched Data (HSCSD); Stage 2
Immediate Service Termination (IST); Stage 2
Alphabets and language-specific information
Interface Protocols for the Connection of Short Message Service Centers (SMSCs) to Short Message Entities (SMEs)
Technical realization of the Short Message Service (SMS)
Technical realization of Cell Broadcast Service (CBS)
Compression algorithm for text messaging services
Security mechanisms for the (U)SIM application toolkit; Stage 2
Tandem Free Operation (TFO)
⇒ Service description; Stage 2
Mobile Execution Environment (MExE); Functional description; Stage 2
General Packet Radio Service (GPRS)
⇒ Service description; Stage 2
Support of Mobile Number Portability (MNP); Technical realization; Stage 2
enhanced Multi-Level Precedence and Pre-emption Service (eMLPP)
⇒ Stage 2
Call Deflection (CD) supplementary service; Stage 2
Customised Applications for Mobile network Enhanced Logic (CAMEL) Phase 4; Stage 2
Support of Optimal Routeing (SOR); Technical realization
Line Identification supplementary services
⇒ Stage 2
Call Forwarding (CF) supplementary services; Stage 2
Call Waiting (CW) and Call Hold (HOLD) supplementary services; Stage 2
Multi Party (MPTY) supplementary service; Stage 2
Closed User Group (CUG) supplementary service
⇒ Stage 2
Advice of Charge (AoC) supplementary services; Stage 2
User-to-User Signalling (UUS) supplementary service; Stage 2
Call Barring (CB) Supplementary Services; Stage 2
Unstructured Supplementary Service Data (USSD)
⇒ Stage 2
Explicit Call Transfer (ECT) supplementary service; Stage 2
Technical realization of Completion of Calls to Busy Subscriber (CCBS); Stage 2
Follow-Me (FM); Stage 2
Name identification supplementary services
⇒ Stage 2
Multiple Subscriber Profile (MSP) (Phase X); Stage 2
General Universal Mobile Telecommunications System (UMTS) architecture
Quality of Service (QoS) concept and architecture
Mobile radio interface layer 3 specification, core network protocols
⇒ Stage 2
Universal Mobile Telecommunications System (UMTS) access stratum; Services and functions
Super-Charger technical realization; Stage 2
Gateway Location Register (GLR); Stage 2
Architectural requirements for Release 1999
Non-Access-Stratum (NAS) functions related to Mobile Station (MS) in idle mode
Overall high level functionality and architecture impacts of flow based charging; Stage 2
Virtual Home Environment (VHE) / Open Service Access (OSA)
Multicall supplementary service; Stage 2
3GPP system - fixed broadband access network interworking; Stage 2
Multimedia Messaging Service (MMS); Functional description; Stage 2
Presence service; Architecture and functional description
Value-added Services for SMS (VAS4SMS)
⇒ Interface and signalling flow
Technical realization of facsimile Group 3 non-transparent
Out of band transcoder control
⇒ Stage 2
IP Multimedia Subsystem (IMS) emergency sessions
Location Services (LCS); Functional description; Stage 2 (UMTS)
Technical realization of Circuit Switched (CS) multimedia service UDI/RDI fallback and service modification; Stage 2
System Architecture Enhancements for Mission Critical PTT over LTE
Provision of User Equipment Specific Behaviour Information (UESBI) to network entities
Open Service Access (OSA); Stage 2
Circuit switched data bearer services
Policy and charging control architecture
Support of Short Message Service (SMS) over generic 3GPP Internet Protocol (IP) access; Stage 2
Bearer-independent circuit-switched core network; Stage 2
Voice Call Continuity (VCC) between Circuit Switched (CS) and IP Multimedia Subsystem (IMS); Stage 2
End-to-end Quality of Service (QoS) concept and architecture
Single Radio Voice Call Continuity (SRVCC); Stage 2
IP Multimedia (IM) session handling; IM call model; Stage 2
Architectural requirements
Global text telephony (GTT)
⇒ Stage 2
Application and user interaction in the UE; Principles and specific requirements
IP Multimedia Subsystem (IMS); Stage 2
SIP-I based circuit-switched core network; Stage 2
3GPP system to Wireless Local Area Network (WLAN) interworking; System description
Intra-domain connection of Radio Access Network (RAN) nodes to multiple Core Network (CN) nodes
IP Multimedia Subsystem (IMS) Service Continuity; Stage 2
3GPP Generic User Profile (GUP); Architecture (Stage 2)
Multimedia Broadcast/Multicast Service (MBMS); Architecture and functional description
Network sharing; Architecture and functional description
Personal Network Management (PNM); Procedures and information flows; Stage 2
IP flow mobility and seamless Wireless Local Area Network (WLAN) offload; Stage 2
Functional stage 2 description of Location Services (LCS)
Circuit Switched (CS) fallback in Evolved Packet System (EPS); Stage 2
Customised Applications for Mobile network Enhanced Logic (CAMEL) Phase 4; Stage 2; IM CN Interworking
Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2
Local Call Local Switch (LCLS); Stage 2
IP Multimedia Subsystem (IMS) centralized services; Stage 2
Proximity-based services (ProSe); Stage 2
Mobility between 3GPP-Wireless Local Area Network (WLAN) interworking and 3GPP systems
Multimedia Resource Function Controller (MRFC) - Multimedia Resource Function Processor (MRFP) Mp interface: Procedures descriptions
IP Multimedia Subsystem (IMS) Application Level Gateway (IMS-ALG) - IMS Access Gateway (IMS-AGW) interface: Procedures descriptions
User Data Convergence (UDC); Technical realization and information flows; Stage 2
IMS Restoration Procedures
General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access
Architecture enhancements for non-3GPP accesses
TISPAN; IP Multimedia Subsystem (IMS); Stage 2 description [3GPP TS 23.228 v7.2.0, modified]
TISPAN
⇒ IP Multimedia Subsystem (IMS); Functional architecture
Group Communication System Enablers for LTE (GCSE_LTE); Stage 2
TISPAN; IP Multimedia Subsystem (IMS); Stage 2 description [3GPP TS 23.228 Release 7, modified]
TISPAN; Voice Call Continuity (VCC); Stage 2 [3GPP TS 23.206 Release 7, modified]
TISPAN
⇒ Presence Service; Architecture and functional description [Endorsement of 3GPP TS 23.141 and OMA-AD-Presence_SIMPLE-V1_0]
⇒ NGN Architecture to support emergency communication from citizen to authority [Endorsed document 3GPP TS 23.167, Release 7]
⇒ XML Document Management; Architecture and functional description [OMA-AD-XDM-V1_0-20051006-C modified]
⇒ IP Multimedia Subsystem (IMS); Functional architecture
Telecommunications and Internet converged Services and Protocols for Advanced Networks (TISPAN); Support of Short Message Service (SMS) over NGN IMS subsystem; Stage 2; [Endorsement of 3GPP TS 23.204 Release 7]
TISPAN; XML Document Management; Architecture and functional description [OMA-AD-XDM-V1_0-20051006-C modified]
Architecture enhancements to facilitate communications with packet data networks and applications
Study on Web Real Time Communication (WebRTC) access to IP Multimedia Subsystem (IMS); Stage 2
Study on architecture enhancements to support Proximity-based Services (ProSe)
Study on Circuit Switched (CS) / Packet Switched (PS) coordination in shared network; Stage 2
Study on system enhancements for user plane congestion management
TR on Architectural enhancements to support webRTC interworking
Architecture enhancements for dedicated core networks; Stage 2
Architecture Enhancements for Service Exposure
Study on Optimizations to Support High Latency Communications
Study on extended architecture support for proximity services
Enabling Transcoder Free Operation During SRVCC (PS to CS)
Study on architecture enhancements to support Group Communication System Enablers for LTE (GCSE_LTE)
Group based Enhancements
Enhanced Circuit Switched (CS) fallback
Study on System Architecture Enhancements for Mission Critical PTT over LTE
Monitoring Enhancements
Study on Application Based Charging (ABC); Stage 2
Architectural enhancements for end-to-end Quality of Service (QoS)
Support of SMS and MMS over generic 3GPP IP access
Voice call continuity between Circuit Switched (CS) and IP Multimedia Subsystem (IMS) Study
Study on architecture impacts of Service Brokering
Service level interworking for messaging services; Stage 2
Feasibility study on IP Multimedia Subsystem (IMS) evolution
Study on policy solutions and enhancements
Separating RR and MM specific parts of the MS Classmark
Charging implications of IMS architecture
Identification of communication services in IMS
Study of IMS restoration procedures
IP-Short-Message-Gateway (IP-SM-GW) enhancements for interworking with Open Mobile Alliance (OMA) Converged IP Messaging (CPM)
Feasibility study on Voice Call Continuity (VCC) support for emergency calls
Earthquake and Tsunami Warning System (ETWS); Requirements and solutions; Solution placeholder
Local IP Access and Selected IP Traffic Offload (LIPA-SIPTO)
Architecture aspects of Home Node B (HNB) / Home enhanced Node B (HeNB)
IP Multimedia Subsystem (IMS) service continuity; Inter-UE transfer enhancements; Stage 2
IP Multimedia Subsystem (IMS) aspects of architecture for Home Node B (HNB); Stage 2
Study on General Packet Radio Service (GPRS) Tunelling Protocol (GTP) based S2b; Stage 2
IP Multimedia Subsystem (IMS) service continuity enhancements; Service, policy and interaction; Stage 2
Study on support of Broadband Forum (BBF) access Interworking
Study into routeing of MT-SMs via the HPLMN
Presence service architecture
Study on network provided location information to the IP Multimedia Subsystem (IMS)
Study on Core Network Overload (CNO) solutions
Feasibility study on IP Multimedia Subsystem (IMS) based peer-to-peer content distribution services; Stage 2
Study on User Data Convergence (UDC) evolution
Multimedia Broadcast/Multicast Service (MBMS); Stage 2
Enhancements to IMS service functionalities facilitating multicast bearer services
Study on Stage 2 aspects of Optimised Service Charging and Allocation of Resources (OSCAR) in the IP Multimedia Subsystem (IMS) whilst roaming
Study on roaming architecture for voice over IP Multimedia Subsystem (IMS) with local breakout
Network sharing; Architecture and functional description
Study on S2a Mobility based on GPRS Tunnelling Protocol (GTP) and Wireless Local Area Network (WLAN) access to the Enhanced Packet Core (EPC) network (SaMOG); Stage 2
Operator Policies for IP Interface Selection (OPIIS)
Enhancements for Multimedia Priority Service (MPS)
Data Identification in Access Network Discovery and Selection Function (ANDSF) (DIDA)
Single Radio Voice Call Continuity (SRVCC) enhancements; Stage 2
Study of Evolved Packet Core (EPC) nodes restoration
Usage Monitoring Control PCC Enhancement
Local IP access (LIPA) mobility and Selected IP Traffic Offload (SIPTO) at the local network
Enabling coder selection and rate adaptation for UTRAN and E-UTRAN for load adaptive applications; Stage 2
Network based IP flow mobility
Evolved Packet Core (EPC) enhancements to support interworking with data application providers; Stage 2
Support of Short Message Service (SMS) in IP Multimedia Subsystem (IMS) without Mobile Station International ISDN Number (MSISDN); Stage 2
Study on Wireless Local Area Network (WLAN) network selection for 3GPP terminals; Stage 2
Study on system improvements for energy efficiency
Internet Protocol (IP) based IP Multimedia Subsystem (IMS) emergency sessions
Feasibility study on extension of support for IP Multimedia Subsystem (IMS) emergency calls
Support for Internet Protocol (IP) based IP Multimedia Subsystem (IMS) Emergency calls over General Packet Radio Service (GPRS) and Evolved Packet Service (EPS)
Single Radio Voice Call Continuity (SR-VCC) support for IMS Emergency Calls
Enhanced support for user privacy in Location Services (LCS)
Study on architecture of IP Multimedia Subsystem (IMS) based Customized Alerting Tone (CAT)
Feasibility study for transport and control separation in the PS CN domain
Support of Push service
Architectural aspects of speech-enabled services
Study on Circuit Switched (CS) domain services over evolved Packet Switched (PS) access
3GPP system architecture evolution (SAE): Report on technical options and conclusions
Study on enhancements to IMS Centralized Services (ICS)
Feasibility Study of Single Radio Voice Call Continuity (SRVCC) from UTRAN/GERAN to E-UTRAN/HSPA; Stage 2
Feasibility Study of Single Radio Video Call Continuity (vSRVCC); Stage 2
Study on Machine-Type Communications (MTC) and other mobile data applications communications enhancements
System improvements for Machine-Type Communications (MTC)
Local Call Local Switch (LCLS) system impacts; Feasibility study
Optimized offloading to Wireless Local Area Network (WLAN) in 3GPP Radio Access Technology (RAT) mobility
Evaluation of LCS Control Plane Solutions for EPS
IP Multimedia Subsystem (IMS) centralized services
Feasibility study on multimedia session continuity; Stage 2
System enhancements for the use of IP Multimedia Subsystem (IMS) services in local breakout and optimal routeing of media
Provision of UE specific behaviour information to network entities
Technical Report on Support for fixed broadband access networks convergence
Feasibility study on IP Multimedia Subsystem (IMS) business trunking for Internet Protocol Private Branch Exchange (IP-PBX) in Static Mode of Operation
Access Class Barring and Overload Protection (ACBOP)
Redial solution for voice-video switching
Technical report on Pre-Paging
Technical report on the Gateway Location Register
Circuit switched data bearer services
Technical report on Out-of-band transcoder control
Technical report on Super-Charger
Direct tunnel deployment guideline
Combined GSM and Mobile IP mobility handling in UMTS IP CN
Feasibility study on Non-Access Stratum (NAS) node selection function above Base Station Controller (BSC) / Radio Network Controller (RNC)
Iu principles
3GPP Generic User Profile (GUP); Stage 2; Data Description Method (DDM)
Circuit switched multimedia telephony
IPv6 migration guidelines
Push architecture
Bandwidth And Resource Savings (BARS) and speech enhancements for Circuit Switched (CS) networks
3GPP enablers for Open Mobile Alliance (OMA); Push-to-talk over Cellular (PoC) services; Stage 2
Interworking aspects and migration scenarios for IPv4-based IP Multimedia Subsystem (IMS) implementations