3GPP Specifications associated with Work Item
3GPP Work Item = 1273 (IMS) "Provisioning of IP-based multimedia services" [Rel-5]
This page lists the 3GPP Technical Specifications and Reports which are or might in future be associated with or affected by the above work item. Click on the spec to open its web page.
| Spec | Title | WG |
|---|---|---|
| 24.628 | Common Basic Communication procedures using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification | C1 |
| 24.103 | Telepresence using the IP Multimedia (IM) Core Network (CN) Subsystem (IMS); Stage 3 | C1 |
| 23.121 | Architectural requirements for Release 1999 | S2 |
| 23.040 | Technical realization of the Short Message Service (SMS) | C1 |
| 24.501 | Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3 | C1 |
| 23.203 | Policy and charging control architecture | S2 |
| 22.066 | Support of Mobile Number Portability (MNP); Service description; Stage 1 | S1 |
| 23.401 | General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access | S2 |
| 23.122 | Non-Access-Stratum (NAS) functions related to Mobile Station (MS) in idle mode | C1 |
| 24.371 | Web Real-Time Communications (WebRTC) access to the IP Multimedia (IM) Core Network (CN) subsystem (IMS); Stage 3; Protocol specification | C1 |
| 23.038 | Alphabets and language-specific information | C1 |
| 24.390 | Unstructured Supplementary Service Data (USSD) using IP Multimedia (IM) Core Network (CN) subsystem IMS; Stage 3 | C1 |
| 24.642 | Completion of Communications to Busy Subscriber (CCBS) and Completion of Communications by No Reply (CCNR) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification | C1 |
| 23.002 | Network architecture | S2 |
| 31.102 | Characteristics of the Universal Subscriber Identity Module (USIM) application | C6 |
| 26.235 | Packet switched conversational multimedia applications; Default codecs | S4 |
| 26.142 | Dynamic and Interactive Multimedia Scenes (DIMS) | S4 |
| 26.234 | Transparent end-to-end Packet-switched Streaming Service (PSS); Protocols and codecs | S4 |
| 24.607 | Originating Identification Presentation (OIP) and Originating Identification Restriction (OIR) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification | C1 |
| 26.233 | Transparent end-to-end Packet-switched Streaming service (PSS); General description | S4 |
| 29.165 | Inter-IMS Network to Network Interface (NNI) | C3 |
| 24.379 | Mission Critical Push To Talk (MCPTT) call control; Protocol specification | C1 |
| 23.981 | Interworking aspects and migration scenarios for IPv4-based IP Multimedia Subsystem (IMS) implementations | S2 |
| 23.216 | Single Radio Voice Call Continuity (SRVCC); Stage 2 | S2 |
| 24.623 | Extensible Markup Language (XML) Configuration Access Protocol (XCAP) over the Ut interface for Manipulating Supplementary Services | C1 |
| 24.141 | Presence service using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3 | C1 |
| 24.615 | Communication Waiting (CW) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol Specification | C1 |
| 24.611 | Anonymous Communication Rejection (ACR) and Communication Barring (CB) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification | C1 |
| 24.654 | Closed User Group (CUG) using IP Multimedia (IM) Core Network (CN) subsystem, Protocol Specification | C1 |
| 26.103 | Speech codec list for GSM and UMTS | S4 |
| 22.340 | IP Multimedia Subsystem (IMS) messaging; Stage 1 | S1 |
| 24.484 | Mission Critical Services (MCS) configuration management; Protocol specification | C1 |
| 22.468 | Group Communication System Enablers (GCSE) | S1 |
| 24.292 | IP Multimedia (IM) Core Network (CN) subsystem Centralized Services (ICS); Stage 3 | C1 |
| 24.608 | Terminating Identification Presentation (TIP) and Terminating Identification Restriction (TIR) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification | C1 |
| 23.221 | Architectural requirements | S2 |
| 24.294 | IP Multimedia Subsystem (IMS) Centralized Services (ICS) protocol via I1 interface | C1 |
| 23.380 | IMS Restoration Procedures | C4 |
| 23.334 | IP Multimedia Subsystem (IMS) Application Level Gateway (IMS-ALG) - IMS Access Gateway (IMS-AGW) interface: Procedures descriptions | C4 |
| 24.610 | Communication HOLD (HOLD) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification | C1 |
| 23.003 | Numbering, addressing and identification | C4 |
| 24.604 | Communication Diversion (CDIV) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification | C1 |
| 23.218 | IP Multimedia (IM) session handling; IM call model; Stage 2 | C1 |
| 24.302 | Access to the 3GPP Evolved Packet Core (EPC) via non-3GPP access networks; Stage 3 | C1 |
| 24.301 | Non-Access-Stratum (NAS) protocol for Evolved Packet System (EPS); Stage 3 | C1 |
| 22.368 | Service requirements for Machine-Type Communications (MTC); Stage 1 | S1 |
| 23.107 | Quality of Service (QoS) concept and architecture | S2 |
| 24.605 | Conference (CONF) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification | C1 |
| 23.820 | Study of IMS restoration procedures | C4 |
| 22.173 | IP Multimedia Core Network Subsystem (IMS) Multimedia Telephony Service and supplementary services; Stage 1 | S1 |
| 26.140 | Multimedia Messaging Service (MMS); Media formats and codecs | S4 |
| 23.288 | Architecture enhancements for 5G System (5GS) to support network data analytics services | S2 |
| 24.403 | TISPAN; IP Multimedia Call Control Protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP) Stage 3 [3GPP TS 24.229 (Release 7), modified] | C1 |
| 24.424 | Management Object (MO) for Extensible Markup Language (XML) Configuration Access Protocol (XCAP) over the Ut interface for Manipulating Supplementary Services (SS) | C1 |
| 24.647 | Advice Of Charge (AOC) using IP Multimedia (IM) Core Network (CN) subsystem | C1 |
| 23.167 | IP Multimedia Subsystem (IMS) emergency sessions | S2 |
| 24.008 | Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 | C1 |
| 24.228 | Signalling flows for the IP multimedia call control based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3 | C1 |
| 23.060 | General Packet Radio Service (GPRS); Service description; Stage 2 | S2 |
| 22.823 | Study on enhancements to IMS for new real time communication services | S1 |
| 24.237 | IP Multimedia (IM) Core Network (CN) subsystem IP Multimedia Subsystem (IMS) service continuity; Stage 3 | C1 |
| 31.103 | Characteristics of the IP Multimedia Services Identity Module (ISIM) application | C6 |
| 31.124 | Mobile Equipment (ME) conformance test specification; Universal Subscriber Identity Module Application Toolkit (USAT) conformance test specification | C6 |
| 29.060 | General Packet Radio Service (GPRS); GPRS Tunnelling Protocol (GTP) across the Gn and Gp interface | C4 |
| 29.276 | 3GPP Evolved Packet System (EPS); Optimized handover procedures and protocols between E-UTRAN access and cdma2000 HRPD Access; Stage 3 | C4 |
| 29.280 | Evolved Packet System (EPS); 3GPP Sv interface (MME to MSC, and SGSN to MSC) for SRVCC | C4 |
| 29.421 | TISPAN; NGN Release 1; Endorsement of 3GPP TS 29.162 Interworking between IM CN Sub-system and IP networks | C3 |
| 29.282 | Mobile IPv6 vendor specific option format and usage within 3GPP | C4 |
| 29.305 | InterWorking Function (IWF) between MAP based and Diameter based interfaces | C4 |
| 29.328 | IP Multimedia (IM) Subsystem Sh interface; Signalling flows and message contents | C4 |
| 29.278 | Customized Applications for Mobile network Enhanced Logic (CAMEL) Phase 4; CAMEL Application Part (CAP) specification for IP Multimedia Subsystems (IMS) | C4 |
| 29.292 | Interworking between the IP Multimedia (IM) Core Network (CN) subsystem (IMS) and MSC Server for IMS Centralized Services (ICS) | C3 |
| 29.329 | Sh interface based on the Diameter protocol; Protocol details | C4 |
| 29.332 | Media Gateway Control Function (MGCF) - IM Media Gateway; Mn interface | C4 |
| 29.333 | Multimedia Resource Function Controller (MRFC) - Multimedia Resource Function Processor (MRFP) Mp interface; Stage 3 | C4 |
| 25.322 | Radio Link Control (RLC) protocol specification | RP |
| 29.510 | 5G System; Network function repository services; Stage 3 | C4 |
| 29.228 | IP Multimedia (IM) Subsystem Cx and Dx Interfaces; Signalling flows and message contents | C4 |
| 29.215 | Policy and Charging Control (PCC) over S9 reference point; Stage 3 | C3 |
| 33.226 | Security assurance for IP Multimedia Subsystem (IMS) | S3 |
| 29.208 | End-to-end Quality of Service (QoS) signalling flows | C3 |
| 29.949 | Study on technical aspects on roaming end-to-end scenarios with Voice over LTE (VoLTE) IP Multimedia Subsystem (IMS) and other networks | C3 |
| 29.212 | Policy and Charging Control (PCC); Reference points | C3 |
| 29.334 | IMS Application Level Gateway (IMS-ALG) – IMS Access Gateway (IMS-AGW); Iq Interface; Stage 3 | C4 |
| 29.207 | Policy control over Go interface | C3 |
| 29.274 | 3GPP Evolved Packet System (EPS); Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C); Stage 3 | C4 |
| 29.364 | IP Multimedia Subsystem (IMS) Application Server (AS) service data descriptions for AS interoperability | C4 |
| 29.213 | Policy and charging control signalling flows and Quality of Service (QoS) parameter mapping | C3 |
| 29.205 | Application of Q.1900 series to bearer independent Circuit Switched (CS) core network architecture; Stage 3 | C4 |
| 29.863 | Feasibility Study for the multimedia inter-working between the IP Multimedia Core Network (CN) Subsystem (IMS) and Circuit Switched (CS) networks | C3 |
| 29.201 | Representational State Transfer (REST) reference point between Application Function (AF) and Protocol Converter (PC) | C3 |
| 26.223 | Telepresence using the IP Multimedia Subsystem (IMS); Media handling and interaction | S4 |
| 29.214 | Policy and charging control over Rx reference point | C3 |
| 26.923 | Study on media handling aspects of IP Multimedia Subsystem (IMS) based telepresence | S4 |
| 26.237 | IP Multimedia Subsystem (IMS) based Packet Switch Streaming (PSS) and Multimedia Broadcast/Multicast Service (MBMS) User Service; Protocols | S4 |
| 26.244 | Transparent end-to-end packet switched streaming service (PSS); 3GPP file format (3GP) | S4 |
| 26.346 | Multimedia Broadcast/Multicast Service (MBMS); Protocols and codecs | S4 |
| 26.935 | Packet Switched (PS) conversational multimedia applications; Performance characterisation of default codecs | S4 |
| 24.525 | Business trunking; Architecture and functional description | C1 |
| 27.007 | AT command set for User Equipment (UE) | C1 |
| 27.060 | Packet domain; Mobile Station (MS) supporting Packet Switched services | C3 |
| 31.130 | (U)SIM Application Programming Interface (API); (U)SIM API for Java™ Card | C6 |
| 29.002 | Mobile Application Part (MAP) specification | C4 |
| 29.061 | Interworking between the Public Land Mobile Network (PLMN) supporting packet based services and Packet Data Networks (PDN) | C3 |
| 29.078 | Customised Applications for Mobile network Enhanced Logic (CAMEL) Phase X; CAMEL Application Part (CAP) specification | C4 |
| 31.111 | Universal Subscriber Identity Module (USIM) Application Toolkit (USAT) | C6 |
| 29.162 | Interworking between the IM CN subsystem and IP networks | C3 |
| 29.514 | 5G System; Policy Authorization Service; Stage 3 | C3 |
| 29.562 | 5G System; Home Subscriber Server (HSS) services; Stage 3 | C4 |
| 29.273 | Evolved Packet System (EPS); 3GPP EPS AAA interfaces | C4 |
| 29.272 | Evolved Packet System (EPS); Mobility Management Entity (MME) and Serving GPRS Support Node (SGSN) related interfaces based on Diameter protocol | C4 |
| 29.238 | Interconnection Border Control Functions (IBCF) - Transition Gateway (TrGW) interface, Ix interface; Stage 3 | C4 |
| 29.235 | Interworking between SIP-I based circuit-switched core network and other networks | C3 |
| 29.232 | Media Gateway Controller (MGC) - Media Gateway (MGW) interface; Stage 3 | C4 |
| 29.163 | Interworking between the IP Multimedia (IM) Core Network (CN) subsystem and Circuit Switched (CS) networks | C3 |
| 29.513 | 5G System; Policy and Charging Control signalling flows and QoS parameter mapping; Stage 3 | C3 |
| 25.453 | UTRAN Iupc interface Positioning Calculation Application Part (PCAP) signalling | R3 |
| 29.571 | 5G System; Common Data Types for Service Based Interfaces; Stage 3 | C4 |
| 29.230 | Diameter applications; 3GPP specific codes and identifiers | C4 |
| 31.121 | UICC-terminal interface; Universal Subscriber Identity Module (USIM) application test specification | C6 |
| 29.229 | Cx and Dx interfaces based on the Diameter protocol; Protocol details | C4 |
| 29.275 | Proxy Mobile IPv6 (PMIPv6) based Mobility and Tunnelling protocols; Stage 3 | C4 |
| 26.236 | Packet switched conversational multimedia applications; Transport protocols | S4 |
| 29.512 | 5G System; Session Management Policy Control Service; Stage 3 | C3 |
| 34.108 | Common test environments for User Equipment (UE); Conformance testing | R5 |
| 24.305 | Selective Disabling of 3GPP User Equipment Capabilities (SDoUE) Management Object (MO) | C1 |
| 33.926 | Security Assurance Specification (SCAS) threats and critical assets in 3GPP network product classes | S3 |
| 33.203 | 3G security; Access security for IP-based services | S3 |
| 34.229-3 | Internet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); User Equipment (UE) conformance specification; Part 3: Abstract test suite (ATS) | R5 |
| 36.300 | Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2 | R2 |
| 32.274 | Telecommunication management; Charging management; Short Message Service (SMS) charging | S5 |
| 33.821 | Rationale and track of security decisions in Long Term Evolution (LTE) RAN / 3GPP System Architecture Evolution (SAE) | S3 |
| 32.275 | Telecommunication management; Charging management; MultiMedia Telephony (MMTel) charging | S5 |
| 33.402 | 3GPP System Architecture Evolution (SAE); Security aspects of non-3GPP accesses | S3 |
| 36.508 | Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Packet Core (EPC); Common test environments for User Equipment (UE) conformance testing | R5 |
| 33.328 | IP Multimedia Subsystem (IMS) media plane security | S3 |
| 32.240 | Telecommunication management; Charging management; Charging architecture and principles | S5 |
| 32.409 | Telecommunication management; Performance Management (PM); Performance measurements; IP Multimedia Subsystem (IMS) | S5 |
| 32.454 | Telecommunication management; Key Performance Indicators (KPI) for the IP Multimedia Subsystem (IMS); Definitions | S5 |
| 36.331 | Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification | R2 |
| 34.123-2 | User Equipment (UE) conformance specification; Part 2: Implementation conformance statement (ICS) proforma specification | R5 |
| 36.523-1 | Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Packet Core (EPC); User Equipment (UE) conformance specification; Part 1: Protocol conformance specification | R5 |
| 36.523-2 | Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Packet Core (EPC); User Equipment (UE) conformance specification; Part 2: Implementation Conformance Statement (ICS) proforma specification | R5 |
| 22.228 | Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 | S1 |
| 23.333 | Multimedia Resource Function Controller (MRFC) - Multimedia Resource Function Processor (MRFP) Mp interface: Procedures descriptions | C4 |
| 23.228 | IP Multimedia Subsystem (IMS); Stage 2 | S2 |
| 24.503 | TISPAN; IP Multimedia Call Control Protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP) Stage 3 [3GPP TS 24.229 (Release 7), modified] | C1 |
| 36.304 | Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) procedures in idle mode | R2 |
| 32.736 | Telecommunication management; IP Multimedia Subsystem (IMS) Network Resource Model (NRM) Integration Reference Point (IRP); Solution Set (SS) definitions | S5 |
| 24.430 | TISPAN; Presence Service Capability; Protocol Specification [3GPP TS 24.141 V7.0.0, modified and OMA-TS-Presence_SIMPLE-V1_0, modified] | C1 |
| 36.413 | Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 Application Protocol (S1AP) | R3 |
| 32.225 | Telecommunication management; Charging management; Charging data description for the IP Multimedia Subsystem (IMS) | S5 |
| 34.229-1 | Internet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); User Equipment (UE) conformance specification; Part 1: Protocol conformance specification | R5 |
| 32.290 | Telecommunication management; Charging management; 5G system; Services, operations and procedures of charging using Service Based Interface (SBI) | S5 |
| 34.229-2 | Internet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); User Equipment (UE) conformance specification; Part 2: Implementation Conformance Statement (ICS) specification | R5 |
| 33.141 | Presence service; Security | S3 |
| 32.291 | Telecommunication management; Charging management; 5G system, charging service; Stage 3 | S5 |
| 32.296 | Telecommunication management; Charging management; Online Charging System (OCS): Applications and interfaces | S5 |
| 32.270 | Telecommunication management; Charging management; Multimedia Messaging Service (MMS) charging | S5 |
| 33.210 | Network Domain Security (NDS); IP network layer security | S3 |
| 32.281 | Telecommunication management; Charging management; Announcement service | S5 |
| 32.732 | Telecommunication management; IP Multimedia Subsystem (IMS) Network Resource Model (NRM) Integration Reference Point (IRP); Information Service (IS) | S5 |
| 32.299 | Telecommunication management; Charging management; Diameter charging applications | S5 |
| 32.298 | Telecommunication management; Charging management; Charging Data Record (CDR) parameter description | S5 |
| 33.978 | Security aspects of early IP Multimedia Subsystem (IMS) | S3 |
| 32.251 | Telecommunication management;Charging management;Packet Switched (PS) domain charging | S5 |
| 32.250 | Telecommunication management; Charging management; Circuit Switched (CS) domain charging | S5 |
| 34.123-1 | User Equipment (UE) conformance specification; Part 1: Protocol conformance specification | R5 |
| 32.255 | Telecommunication management; Charging management; 5G data connectivity domain charging; Stage 2 | S5 |
| 32.260 | Telecommunication management;Charging management;IP Multimedia Subsystem (IMS) charging | S5 |
| 36.423 | Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 Application Protocol (X2AP) | R3 |
| 32.200 | Telecommunication management; Charging management; Charging principles | S5 |
| 23.506 | TISPAN; IP Multimedia Subsystem (IMS); Stage 2 description [3GPP TS 23.228 Release 7, modified] | S2 |
| 23.700-12 | Study on enhanced IP Multimedia Subsystem (IMS) to 5GC integration Phase 2; CT WG4 aspects | C4 |
| 24.206 | Voice call continuity between Circuit Switched (CS) and IP Multimedia Subsystem (IMS); Stage 3 | C1 |
| 24.183 | IP Multimedia Subsystem (IMS) Customized Ringing Signal (CRS); Protocol specification | C1 |
| 23.292 | IP Multimedia Subsystem (IMS) centralized services; Stage 2 | S2 |
| 24.286 | IP Multimedia (IM) Core Network (CN) subsystem Centralized Services (ICS); Management Object (MO) | C1 |
| 23.501 | System architecture for the 5G System (5GS) | S2 |
| 24.182 | IP Multimedia Subsystem (IMS) Customized Alerting Tones (CAT); Protocol specification | C1 |
| 21.905 | Vocabulary for 3GPP Specifications | SP |
| 23.278 | Customised Applications for Mobile network Enhanced Logic (CAMEL) Phase 4; Stage 2; IM CN Interworking | C4 |
| 24.216 | Communication Continuity Management Object (MO) | C1 |
| 24.229 | IP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3 | C1 |
| 23.141 | Presence service; Architecture and functional description | S2 |
| 22.115 | Service aspects; Charging and billing | S1 |
| 24.930 | Signalling flows for the session setup in the IP Multimedia core network Subsystem (IMS) based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3 | C1 |
| 33.401 | 3GPP System Architecture Evolution (SAE); Security architecture | S3 |
| 24.147 | Conferencing using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3 | C1 |
| 22.261 | Service requirements for the 5G system | S1 |
| 24.524 | Hosted enterprise services; Architecture, functional description and signalling | C1 |
| 24.299 | - | - |
| 24.323 | 3GPP IP Multimedia Subsystem (IMS) service level tracing Management Object (MO) | C1 |
| 23.406 | TISPAN; IP Multimedia Subsystem (IMS); Stage 2 description [3GPP TS 23.228 v7.2.0, modified] | S2 |
| 24.247 | Messaging service using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3 | C1 |
| 24.315 | IP Multimedia Subsystem (IMS) Operator Determined Barring (ODB); Stage 3: protocol specification | C1 |
| 24.523 | Core and enterprise Next Generation Network (NGN) interaction scenarios; Architecture and functional description | C1 |
| 24.173 | IMS Multimedia telephony communication service and supplementary services; Stage 3 | C1 |
| 24.238 | Session Initiation Protocol (SIP) based user configuration; Stage 3 | C1 |
| 23.237 | IP Multimedia Subsystem (IMS) Service Continuity; Stage 2 | S2 |
| 24.226 | - | - |
| 22.121 | Service aspects; The Virtual Home Environment (VHE); Stage 1 | S1 |
| 24.279 | Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 3 | C1 |
| 24.166 | 3GPP IP Multimedia Subsystem (IMS) conferencing Management Object (MO) | C1 |
| 23.503 | Policy and charging control framework for the 5G System (5GS); Stage 2 | S2 |
| 24.526 | User Equipment (UE) policies for 5G System (5GS); Stage 3 | C1 |
| 22.101 | Service aspects; Service principles | S1 |
| 22.129 | Service aspects; Handover requirements between UTRAN and GERAN or other radio systems | S1 |
| 23.272 | Circuit Switched (CS) fallback in Evolved Packet System (EPS); Stage 2 | S2 |
| 24.341 | Support of SMS over IP networks; Stage 3 | C1 |
| 23.402 | Architecture enhancements for non-3GPP accesses | S2 |
| 23.700-10 | Study on enhanced IP Multimedia Subsystem (IMS) to 5GC integration Phase 2; CT WG1 aspects | C1 |
| 24.167 | 3GPP IMS Management Object (MO); Stage 3 | C1 |
| 23.509 | TISPAN; NGN Architecture to support emergency communication from citizen to authority [Endorsed document 3GPP TS 23.167, Release 7] | S2 |
| 24.481 | Mission Critical Services (MCS) group management; Protocol specification | C1 |
| 23.008 | Organization of subscriber data | C4 |
| 22.105 | Services and service capabilities | S1 |
| 24.337 | IP Multimedia (IM) Core Network (CN) subsystem IP Multimedia Subsystem (IMS) inter-UE transfer; Stage 3 | C1 |
| 23.226 | Global text telephony (GTT); Stage 2 | S2 |
| 23.502 | Procedures for the 5G System (5GS) | S2 |
| 23.207 | End-to-end Quality of Service (QoS) concept and architecture | S2 |
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