TS/TR Number/Version/Name/3GPP-Release/3GPP-Group

Description/Scope

3GPP TR 22.800 V6.0.0 (2003-09),”IP Multimedia Subsystem (IMS) subscription and access scenarios”, (Release 6)(SA1)

TR 22.800 is an introductory stage 1 document covering various IMS user and operator scenarios. Examples describe functionality for basic and roaming operation, for non-3GPP access with and without roaming, for multiple operators, for multiple terminals, etc.

3GPP TS 23.218 V8.0.0 (2007-12), “IP Multimedia (IM) session handling;
IM call model; Stage 2”, (Release 8)(CT1)

TS 23.218 focuses on the functional requirements of the serving CSCF, the HSS, the MRFC and the AS during a multimedia call (session).  This is the main spec describing the famous ISC interface (between S-CSCF and the AS).

3GPP TS 23.228 V8.3.0 (2007-12), “IP Multimedia Subsystem (IMS); Stage 2”, (Release 8)(SA2)

TS 23.228 describes in detail the main IMS concepts and procedures, showing the responsibilities of the associated IMS functional entities.

3GPP TS 24.228 V5.15.0 (2006-09), ”Signalling flows for the IP multimedia call control based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP)”, Stage 3 (Release 5)(CT1)

TS 24.228 is an informative spec, which shows the SIP signaling flows and the exact content of the SIP messages during registration, session origination, session termination, etc., both in case of configuration hiding (THIG) and non-hiding.

3GPP TS 24.229 V8.2.0 (2007-12), “Internet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3”, (Release 8)

TS 24.229 covers in detail the functionality of the UE, of the P/I/S-CSCF, of the MGCF, BGCF, MRFC and AS.  Various SIP methods, headers and parameters are described, including SIP compression, as well as procedures associated with the application usage of the SDP content.  

3GPP TR 24.930 V7.3.0 (2007-12), “Signalling Flows for the Session Setup in the IM CN Subsystem based on SIP and SDP - Stage 3”, (Release 7)

TR 24.930 gives examples of the session setup in the IM CN subsystem based on SIP and SDP. These signaling flows provide detailed signaling flows, which expand on the overview information flows provided in 3GPP TS 23.228.

TS/TR Num/Ver/Name/3GPP-Release/3GPP-Group

Description/Scope

3GPP TR 21.905 V8.3.0 (2007-12), “Vocabulary for 3GPP Specifications”, (Release 8)(SA1)

TR 21.905 is a collection of terms, definitions and abbreviations used in the 3GPP specifications.

3GPP TS 23.002 V8.2.0 (2007-12), “Network architecture”, (Release 8)(SA2)

TS 23.002 is a comprehensive document showing the core network architectures for the circuit-switched (CS), packet-switched (PS) and IP multimedia (IMS) domains.  Functional entities, reference points and interfaces are identified and described briefly. When someone throws an interface name (AKA reference point) at you (e.g. Cx, Sh), and you have no idea what he/she is talking about, 23.002 is the first place you want to go and look up.

3GPP TS 32.200 V5.9.0 (2005-10), “Telecommunication management; Charging management; Charging principles”, (Release 5)(SA5)

TS 32.200 is a comprehensive document covering charging for the CS (including CAMEL support), PS and IMS (both online and offline charging) domains as well as for the MMS services.  Charging is a good example for the practical add-on value, which IMS brings to the IP telephony world.

TR 23.976 is a wide-scope document covering push services in PS, CS and IMS domains.  For IMS, it envisions a Push Function AS connected to a Push Initiator and interfacing to S-CSCF via the ISC interface.  The IMS service is SIP-based, using the SUBSCRIBE, MESSAGE and NOTIFY methods.

TS 22.173 defines the IMS Multimedia Telephony service and the minimum set of capabilities required to secure multi-vendor and multi-operator inter-operability for Multimedia Telephony and related Supplementary Services.

TS 24.173 provides the protocol details for multimedia telephony communication service and associated supplementary services in the IP Multimedia (IM) Core Network (CN) subsystem based on the requirements from 3GPP TS 22.173 (see one item above).

3GPP TS 22.228 V8.3.0 (2007-12), “Service requirements for the Internet Protocol (IP) multimedia core network subsystem”, (Release 8)(SA1)

TS 22.228 defines the service requirements from users’ and operators’ perspective for the support of IP multimedia applications through the IMS.

3GPP TR 23.810 V0.9.0 (2008-01), “on Architecture Impacts of Service Brokering”, (Release 8)(SA2)

TR 23.810 is to study if there is enhancement needed to the current service interaction management architecture (e.g. SCIM as part of AS and Service Broker as part of OSA SCS) in order to satisfy requirements in 3GPP TS 22.228 (see one item above).

3GPP TS 24.167 V7.3.0 (2007-12), “3GPP IMS Management Object (MO); Stage 3”, (Release 7)(CT1)

TS 24.167 defines a mobile device 3GPP IMS Management Object. The management object is compatible with OMA Device Management protocol specifications, version 1.1.2 and upwards, and is defined using the OMA DM Device Description Framework.

TS/TR Num/Ver/Name/3GPP-Release/3GPP-Group

Description/Scope

3GPP TS 29.229 V8.0.0 (2007-12), “Cx and Dx interfaces based on the Diameter protocol; Protocol details”, (Release 8)(CT4)

TS 29.229 defines extensions/modifications to the DIAMETER protocol in support of the signaling between CSCF and HSS (directly at the Cx reference point and through redirection by SLF at the Dx reference point).

[312] 3GPP TS 29.228 V8.0.0 (2007-12), “IP Multimedia (IM) Subsystem Cx and Dx interfaces; Signalling flows and message contents”, (Release 8)(CT4)

TS 29.228 addresses the signaling flows for Cx and Dx interfaces.

[313] 3GPP TS 29.328 V7.8.0 (2007-12), “IP Multimedia (IM) Subsystem Sh interface;Signalling flows and message contents”, (Release 7)(CT4)

TS 29.328 defines procedures for the Sh messages and their mapping to the DIAMETER protocol in support of the signaling between the SIP AS (or OSA SCS) and HSS (directly at the Sh reference point and through redirection by SLF at the Dh reference point).

[314] 3GPP TS 29.329 V7.5.0 (2007-12), “Sh Interface based on the Diameter protocol;Protocol details”, (Release 7)(CT4)

TS 29.329 defines extensions/modifications to the DIAMETER protocol in support of the signaling between the SIP AS (or OSA SCS) and HSS (directly at the Sh reference point and through redirection by SLF at the Dh reference point).

[315] 3GPP TS 29.332 V8.0.0 (2007-12), “Media Gateway Control Function (MGCF) – IM Media Gateway; Mn Interface”, (Release 8)(CT4)

TS 29.332 defines extensions/modifications to the MEGACO protocol in support of the signaling between the MGCF and IM-MGW (at the Mn reference point).

[363] 3GPP TS 23.198 V7.3.0 (2007-12), “Open Service Access (OSA); Stage 2”, (Release 7)(CT5)

TS 23.198 defines an architecture that enables service application developers to make use of network functionality through open standardized interface, i.e. the OSA APIs and Parlay X Web Services. The concepts and the functional architecture for the OSA are contained in this document. The requirements for OSA are contained in 3GPP TS 22.127.

TS/TR Num/Ver/Name/3GPP-Release/3GPP-Group

Description/Scope

3GPP TS 23.207 V7.0.0 (2007-06), “End-to-end Quality of Service (QoS) concept and architecture”, (Release 7)(SA2)

TS 23.207 covers QoS for GPRS systems, end-to-end interactions with RSVP and IMS aspects.  With regard to IMS, the functionality of the PDF and of the P-CSCF, acting as an AF, is explained.  The Gq interface and the COPS – based Go interface are addressed, together with SDP mappings to QoS parameters.

TR 23.802 covers possible solutions to enhance the end-to-end QoS architecture to achieve improved end-to-end QoS in the case of interworking with IP network domains or backbone networks that provide IP QoS mechanisms.  The “on-path and “off-path” QoS signaling alternatives are presented side by side.  Document is currently frozen.

TS 29.207 covers the interactions between the GGSN and the PDF, including the associated signaling, based on the COPS protocol.

3GPP TS 29.208 V6.7.0 (2007-06), “End-to-end Quality of Service (QoS) Signalling Flows”, (Release 6)(CT3)

TS 29.208 gives examples of QoS signaling flows for resource reservation to provide end-to-end QoS. The flows are used as bases of developing QoS related protocol descriptions for new and existing specifications.

TS 29.209 defines procedures and protocol extensions to the DIAMETER protocol for session based policy set-up information exchange between the Policy Decision Function (PDF) and the Application Function (AF). In IMS the role of AF is played by the P-CSCF.

TS 29.212 provides the stage 3 specification of the Gx reference point for the present release. The functional requirements and the stage 2 specifications of the Gx reference point are contained in 3GPP TS 23.203. The Gx reference point lies between the Policy and Charging Rule Function and the Policy and Charging Enforcement Function.

TS 29.213 adds detailed flows of Policy and Charging Control (PCC) over the Rx and Gx reference points and their relationship with the bearer level signalling flows over the Gn interface.

TS 29.214 provides the stage 3 specification of the Rx reference point for the present release. The functional requirements and the stage 2 specifications of the Rx reference point are contained in 3GPP TS 23.203. The Rx reference point lies between the Application Function and the Policy and Charging Rule Function.

TS/TR Num/Ver/Name/3GPP-Release/3GPP-Group

Description/Scope

3GPP TS 23.278 V7.1.0 (2006-03), “Customised Applications for Mobile network Enhanced Logic (CAMEL) Phase 4; Stage 2; IM CN Interworking”, (Release 7)(CT4)

TS 23.278 defines interworking between the CAMEL IP Multimedia Service Switching Function (IM-SSF) and IMS functional entities such as HSS (via the MAP-based Si interface) or S-CSCF (via SIP-based ISC interface).

3GPP TS 29.278 V7.0.0 (2005-12), “Customised Applications for Mobile network Enhanced Logic (CAMEL) Phase 4; CAMEL Application Part (CAP) specification for IP Multimedia Subsystems (IMS)”, (Release 7)(CT4)

TS/TR Num/Ver/Name/3GPP-Release/3GPP-Group

Description/Scope

3GPP TS 31.103 V7.3.0 (2007-09), “Characteristics of the IP Multimedia Services Identity Module (ISIM) application”, (Release 7)(CT6)

TS 31.103 defines (in support of IMS operation) the structure and content of the Elementary Files (EFs) stored in the ISIM, as well as the security-related procedure (e.g. authentication) performed by the ISIM.

TS 31.133 defines the ISIM Application Programming Interface extending the "UICC API for Java Card (TM)". This API allows to develop an application running together with an ISIM application. The present document includes information applicable to network operators, service providers, server -, ISIM - and database manufacturers.

3GPP TS 29.240 V7.0.0 (2007-07), “3GPP Generic User Profile (GUP); Stage 3; Network”, (Release 7)(CT4)

TS 29.240 contains a normative Appendix A defining the content of the user profile stored in the HSS.

TS 23.008 provides details concerning information to be stored in home subscriber servers (HSS), visitor location registers, GPRS Support Nodes and Call Session Control Function (CSCF) concerning mobile subscriber.

TR 23.816 is to capture the results of a feasibility study in the needs of identifying IMS communication services with and in the need of the IMS communication service identifier.  

3GPP TS 23.003 V7.6.0 (2007-12), “Numbering, addressing and identification”, (Release 7)(CT4)

TS 23.003 is a wide-scope document concentrating information about identities/addresses used in 3GPP family of specifications: user identities (e.g. IMSI, TMSI), equipment identities (e.g. IMEI), areas identities (e.g., LAI, RAI), etc. For IMS, it defines home network domains, private and public user identities and the public service identities.

TS/TR Num/Ver/Name/3GPP-Release/3GPP-Group

Description/Scope

3GPP TR 23.864 V0.6.0 (2003-04), “Commonality and Interoperability between IMSs”, (Release 6)(SA2)

TR 23.864 addresses interoperability between IMS and non-IMS “IP-connectivity” networks (e.g. some WLAN). Issues include the level of QoS provided by the IP-connectivity network, (local) policy decision and enforcement functions, user profiles.

3GPP TS 29.162 V7.1.0 (2006-03), “Interworking between the IM CN subsystem and IP networks”, (Release 7)(CT3)

TS 29.162 describes IMS with external IP networks interactions at the Mb reference point. The external IP network may be IPv4-based (rather than IPv6-based, like IMS) and may not support (all of) the extensions to SIP prescribed by IMS.

TS 29.163 is a detailed document covering interworking between IMS and BICC/ISUP based legacy CS, with and without 3GPP specific additions, in order to support IMS basic voice calls and supplementary services.  The document describes protocol translations between ISUP and SIP occurring in the MGCF and MGW as well as codecs and transcoders handling. 

TR 23.981 addresses issues related to IPv4 equipment interworking with IMS.  The document looks into P-CSCF discovery, roaming between IPv4 and IPv6 systems, as well as impacts on the current GPRS systems, if connected to the IMS core.

TR 23.899 looks at using CS bearers and IMS simultaneously (e.g. mixed circuit voice and VoIP call).  The spec is mainly targeted towards GERAN access networks.

TR 22.979 is being defined at high level as part of Release 7, to introduce “combinational” services, sessions and calls between UEs, by adding IMS components to CS calls and vice-versa.

TS 22.279 specifies service requirements for Combining CS and IMS services using a CS speech or CS multimedia call in association with an IMS session.

3GPP TS 24.279 V8.0.0 (2007-12), “Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) Services - Stage 3”, (Release 8)(CT1)

TS 24.279 provides the technical realization for the combination of Circuit Switched calls and IM sessions when using them simultaneously between the same two users.

TS/TR Num/Ver/Name/3GPP-Release/3GPP-Group

Description/Scope

3GPP TS 23.125 V7.0.0 (2007-06), “Overall high level functionality and architecture impacts of flow based charging; Stage 2”, (Release 7)(SA2)

TR 23.125 specifies the overall high level functionality and architecture impacts of Flow Based Charging.

TR 23.815 shows architectural impacts of charging, functional entities used for charging, user cases and requirements.

TS 32.225 covers online and offline charging for IMS, including formats for the CDR.  The document focuses on the extensions to the DIAMETER protocol in support of IMS charging.

TS 32.240 is a general document (i.e. not IMS-specific) defining the architecture, interfaces and common charging principles.

3GPP TS 32.260 V8.2.0 (2007-12), “Charging management; IP Multimedia Subsystem (IMS) charging”, (Release 8)(SA5)

TS 32.260 covers online and offline charging for IMS.  The document details charging principles, impacts on functional entities, signaling and the formats of CDRs.

TS 32.296 covers all internal aspects of the Online Charging System (OCS).  The document contains the architecture and functions of the OCS logical components and thereby derives the functionality of the OCS interfaces.  A detailed specification of interfaces between the logical OCS components is also included.  The functionality of the OCS, as described in the document, applies to all charging domains (bearer, session and service).

TS 23.203 specifies the overall stage 2 level functionality for Policy and Charging Control that encompasses the following high level functions for IP-CANs (e.g. GPRS, I-WLAN, Fixed Broadband, etc.):  - Flow Based Charging, including charging control and online credit control;  - Policy control (e.g. gating control, QoS control, etc.). 

3GPP TS 32.297 V7.0.0 (2006-09), “Charging Management - Charging Data Record (CDR) File Format and Transfer”, (Release 7)(SA5)

TS 23.297 specifies the mechanisms used to transfer CDR files from the network to the operator's billing domain (e.g. the billing system or a mediation device). This includes the file transfer procedures and the layout of the CDR files, as well as file meta information and the encoding of the CDRs within the files.

TS 23.298 specifies the CDR parameters, the abstract syntax and encoding rules for all the CDR types that are defined in the charging management TSs described above. Therefore, it is only applicable to offline charging.

TS/TR Num/Ver/Name/3GPP-Release/3GPP-Group

Description/Scope

3GPP TS 33.102 V7.1.0 (2006-12), “Security Architecture”, (Release 7)(SA3)

TS 33.102 defines the security architecture, i.e., the security features and the security mechanisms, for the third generation mobile telecommunication system.

TS 33.203 overviews the IMS security architecture and covers various features and mechanisms involved in IMS security.  The document addresses the protection of the Gm interface (UE to P-CSCF).

TS 33.210 covers at high level Network Domain Security aspects, such as security gateways, the Za and Zb reference points and various aspects of IKE and IPSEC.

TS 33.220 covers the AKA-based generic bootstrapping architecture. IMS is impacted at the reference point Zh between the HSS and the bootstrapping function entity.

3GPP TS 33.222 V7.3.0 (2007-12), “Generic Authentication Architecture (GAA); Access to network application functions using Hypertext Transfer Protocol over Transport Layer Security (HTTPS)”, (Release 7)(SA3)

TS 33.222 specifies secure access methods to Network Application Functions (NAF) using HTTP over TLS in the Generic Authentication Architecture (GAA), and provides Stage 2 security requirements, principles and procedures for the access.  The document describes both direct access to an Application Server (AS) and access to an Application Server through an Authentication Proxy (AP).

3GPP TS 29.109 V7.8.0 (2007-12), “Generic Authentication Architecture (GAA); Zh and Zn Interfaces based on the Diameter protocol; Stage 3”, (Release 7)(CT4)

TS 29.109 defines the Diameter based implementation for bootstrapping Zh interface (BSF-HSS) and GAA Application Zn interface (BSF-NAF) in Generic Authentication Architecture (GAA).  The document covers procedures, message contents and coding.  The interface is based on reuse of Cx interface Multimedia-Auth-Request/Answer messages between CSCF and HSS.

3GPP TR 33.978 V7.0.0 (2007-06), “Security aspects of early IP Multimedia Subsystem (IMS)”, (Release 6)(SA3)

TR 33.978 covers a method of providing security without support of IPsec, through IP comparison for GSN-based systems.

3GPP TS 33.310 V8.1.0 (2007-06), “Network Domain Security (NDS) - Authentication Framework (AF)”, (Release 8)(SA3)

TS 33.310 is limited to authentication of network elements, which are using NDS/IP or TLS, and located in the inter-operator domain.

TR 33.803 studies from a security point of view the coexistence between TISPAN authentication methods (as specified in TISPAN release 1) and existing 3GPP authentication schemes, i.e. both the IMS AKA (as specified in 3GPP TS 33.203 and 3GPP TS 24.229) and the early IMS security (as specified in 3GPP TR 33.978). This document also aims to provide solutions to handle potential compatibility issues. These issues are listed in detail in section 5 of this document.

TS/TR Num/Ver/Name/3GPP-Release/3GPP-Group

Description/Scope

3GPP TS 33.107 V8.2.0 (2007-12), “3G security; Lawful interception architecture and functions”, (Release 8)(SA3)

TS 33.107 shows the service requirements from a Law Enforcement point of view.  The invocation of Lawful Intercept services is addressed separately for CS, PS and IMS domains.

TS 33.108 addresses the handover interfaces for Lawful Interception of Packet-Data Services, Circuit Switched Services, Multimedia Services (IMS).  The handover interface includes the delivery of Intercept Related Information and Content of Communication to the Law Enforcement Monitoring Facility.

TS/TR Num/Ver/Name/3GPP-Release/3GPP-Group

Description/Scope

3GPP TS 22.250 V7.0.0 (2007-06), “IP Multimedia Subsystem (IMS) group management; Stage 1”, (Release 7)(SA1)

TS 22.250 is a brief document covering a couple of use cases, high level requirements and some security and charging considerations.  It does not identify any impacts on IMS functional entities, architecture, protocols or signaling.

TS/TR Num/Ver/Name/3GPP-Release/3GPP-Group

Description/Scope

3GPP TS 22.141 V7.0.0 (2005-12), “Presence Service; Stage 1”, (Release 7)(SA1)

TS 22.141 defines the requirements for the support of the presence service.

TS 23.141 describes the presence architecture, functional entities, attributes, interfaces and reference points involved in presence.

3GPP TS 24.141 V7.4.0 (2007-09), “Presence service using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3”, (Release 7)(CT1)

TS 24.141 provides the protocol details for the presence service within the IMS, based on SIP and SIP Events.  Requirements for manipulation of presence data are defined by use of a protocol at the Ut reference point (between AS and UE) based on XML Configuration Access Protocol (XCAP).

TR 24.841 Illustrates many Presence service examples; the equivalent of 24.228 for the Presence service area.  Ironically the TR, which nicely illustrates the Presence service related - SIP PUBLISH method, never got published itself.  Still we find it to be a quite useful informational document.

TS 33.141 is the Stage 2 specification for the security requirements, security architecture, security features and security mechanisms for the Presence Service.  The main content of this specification is the security for the Ut reference point, which is HTTP–based, as applied in presence services.

TS/TR Num/Ver/Name/3GPP-Release/3GPP-Group

Description/Scope

3GPP TR 23.867 V7.1.0 (2005-12), “Internet Protocol (IP) based IP Multimedia Subsystem (IMS) emergency sessions”, (Release 7)(SA2)

TR 23.867 provides requirements and describes architecture and signaling for emergency procedures. The document identifies impacts on the IMS, the UE and the GPRS IP-connectivity access network.

3GPP TS 23.167 V7.7.0 (2007-12), “IP Multimedia Subsystem (IMS) Emergency Sessions”, (Release 7)(SA2)

TS 23.167 defines the stage-2 service description for emergency services in the IP Multimedia Core Network Subsystem (IMS), including the elements necessary to support IP Multimedia (IM) emergency services. This document covers also the Access Network aspects that are crucial for the provisioning of IMS emergency services.

TS/TR Num/Ver/Name/3GPP-Release/3GPP-Group

Description/Scope

3GPP TS 24.147 V8.0.0 (2008-01), “Conferencing using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3”, (Release 8)(CT1)

TS 24.147 provides protocol details for conferencing within IMS, based on the SIP, SIP Events, SDP, the Conference Policy Control Protocol (CPCP) and the Binary Floor Control Protocol (BFCP) protocols.  The document is applicable to AS, MRFC, MRFP, MGCF and UE, but the MRFC to MRFP signaling is not covered.

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Description/Scope

3GPP TS 22.340 V8.0.0 (2007-03), “IP Multimedia System (IMS) messaging; Stage 1”, (Release 8)(SA1)

TS 22.340 contains the requirements for the IMS messaging system.

TR 22.940 covers basic aspects of IMS messaging, includes user scenarios and addresses interactions with other technologies, whether developed by 3GPP (e.g. MMS) or other groups (e.g. OMA).  Three types of IMS messages are identified: immediate, deferred delivery and session based.

3GPP TR 23.804 V7.1.0 (2005-09), “Support of SMS and MMS over generic 3GPP IP access”, (Release 7)(SA2)

TR 23.804 covers registration for, and delivery of, short and multimedia messages.  SIP-based signaling in support of IMS is included.

3GPP TS 23.204 V8.0.0 (2007-12), “Support of SMS over generic 3GPP IP access - Stage 2”, (Release 8)(SA2)

TS 23.204 This TS specifies the new capabilities and enhancements needed to support SMS over a generic IP Connectivity Access Network (IP-CAN) using IMS capabilities.

3GPP TS 24.247 V8.0.0 (2007-12), “Messaging service using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3”, (Release 8)(CT1)

TS 24.247 provides protocol details for the IMS messaging service (immediate messaging, session-based messaging and session-based messaging conferences) using SIP, SDP, and Message Session Relay Protocol (MSRP).  The document is applicable to AS, MRFC, MRFP and UEs, but does not cover signaling between MRFC and MRFP.

3GPP TS 24.341 V7.2.0 (2007-12), “Support of SMS over IP networks - Stage 3”, (Release 7)(CT1)

TS 24.341 provides the protocol details for SMS over IP within the IP Multimedia (IM) Core Network (CN) subsystem based on the Session Initiation Protocol (SIP) and SIP Events as defined in 3GPP TS 24.229.

3GPP TR 23.979 V7.0.0 (2007-06), “Push-to-talk over Cellular (PoC) services; Stage 2”, (Release 7)(SA2)

TR 23.979 studies the architectural requirements in order to enable services like PoC over 3GPP systems. The report looks into aspects of using 3GPP PS domain and radio access technologies (GERAN, UTRAN) for bearer services and IMS for reachability and connectivity for applications like PoC.

3GPP TS 32.272 V7.4.0 (2007-06), “Push-to-talk over Cellular (PoC) Charging”, (Release 7)(SA5)

TS 32.272 specifies the Offline and Online Charging description for the "Push-to-Talk over Cellular" (PoC) service, based on the functional description of the PoC service in 3GPP TR 23.979 "3GPP enablers for OMA PoC Services", in OMA-AD-POC "Push to talk over Cellular (PoC) - Architecture", in OMA-CP-POC "OMA PoC Control Plane" and in OMA-UP-POC: "OMA POC User Plane", respectively. This charging description includes the offline and online charging architecture and scenarios specific to PoC, as well as the mapping of the common 3GPP charging architecture specified in 3GPP TS 32.240 onto the PoC service. It further specifies the structure and content of the CDRs for offline charging, and the charging events for online charging.

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Description/Scope

3GPP TS 23.234 V7.6.0 (2007-12), “3GPP system to Wireless Local Area Network (WLAN) interworking; System description”, (Release 7)(SA2)

TS 23.234 specifies the architecture, functionality and interfaces necessary for connecting a WLAN access network to a 3GPP system.

- The Pr reference point between the 3GPP AAA Server and the PNA.

TS 33.234 specifies the security architecture; trust model and security requirements for the interworking of the 3GPP System and WLAN Access Networks. Specifications of the appropriate mechanisms for user and network authentication, key management, service authorization, confidentiality and integrity protection of user and signaling data are also provided.

3GPP TR 23.836 V1.0.0 (2005-11), “Quality of Service (QoS) and policy aspects of 3GPP - Wireless Local Area Network (WLAN) interworking”, (Release 7)(SA2)

TR 23.836 identifies requirements, functions and procedures for the WLAN AN, PDG and WAG in support of QoS.

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Description/Scope

3GPP TS 23.206 V7.5.0 (2007-12), “Voice Call Continuity (VCC) between Circuit Switched (CS) and IP Multimedia Subsystem (IMS)”, (Release 7)(SA2)

TS 23.206 specifies the architecture, functionality and interfaces necessary for performing handoff (real time/seamless transfer) of voice calls between the Circuit Switch (CS) domain and the IMS domain (and vice versa).

3GPP TS 24.206 V7.4.0 (2007-12), “Voice Call Continuity between the Circuit-Switched (CS) domain and the IP Multimedia Core Network (CN) (IMS) subsystem - Stage 3”, (Release 7)(CT1)

TS 24.206 provides the protocol details for voice call continuity between the IP Multimedia (IM) Core Network (CN) subsystem based on the Session Initiation Protocol (SIP) and the Session Description Protocol (SDP) and the protocols of the 3GPP Circuit-Switched (CS) domain (CAP, MAP, ISUP, BICC and the NAS call control protocol for the CS access).

TS/TR Num/Ver/Name/3GPP-Release/3GPP-Group

Description/Scope