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133 specifications found, displaying 1 to 50
Specification NumberTypeTitleStatusPrimary Responsible Group 
21.905TRVocabulary for 3GPP SpecificationsUnder change control SP
See details Internal Common IMS 2G 3G LTE 5G
22.066TSSupport of Mobile Number Portability (MNP); Service description; Stage 1Under change control S1
See details Internal Common IMS 2G 3G LTE 5G
22.101TSService aspects; Service principlesUnder change control S1
See details Internal Common IMS 2G 3G LTE 5G
22.105TSServices and service capabilitiesUnder change control S1
See details Internal Common IMS 2G 3G LTE 5G
22.115TSService aspects; Charging and billingUnder change control S1
See details Internal Common IMS 2G 3G LTE 5G
22.121TRService aspects; The Virtual Home Environment (VHE); Stage 1Under change control S1
See details Internal Common IMS 2G 3G LTE 5G
22.129TSService aspects; Handover requirements between UTRAN and GERAN or other radio systemsUnder change control S1
See details Internal Common IMS 2G 3G LTE 5G
22.173TSIP Multimedia Core Network Subsystem (IMS) Multimedia Telephony Service and supplementary services; Stage 1Under change control S1
See details Internal Common IMS 2G 3G LTE 5G
22.228TSService requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1Under change control S1
See details Internal Common IMS 2G 3G LTE 5G
22.340TSIP Multimedia Subsystem (IMS) messaging; Stage 1Under change control S1
See details Internal Common IMS 2G 3G LTE 5G
23.002TSNetwork architectureUnder change control S2
See details Internal Common IMS 2G 3G LTE 5G
23.003TSNumbering, addressing and identificationUnder change control C4
See details Internal Common IMS 2G 3G LTE 5G
23.008TSOrganization of subscriber dataUnder change control C4
See details Internal Common IMS 2G 3G LTE 5G
23.060TSGeneral Packet Radio Service (GPRS); Service description; Stage 2Under change control S2
See details Internal Common IMS 2G 3G LTE 5G
23.107TSQuality of Service (QoS) concept and architectureUnder change control S2
See details Internal Common IMS 2G 3G LTE 5G
23.121TSArchitectural requirements for Release 1999Under change control S2
See details Internal Common IMS 2G 3G LTE 5G
23.141TSPresence service; Architecture and functional descriptionUnder change control S2
See details Internal Common IMS 2G 3G LTE 5G
23.167TSIP Multimedia Subsystem (IMS) emergency sessionsUnder change control S2
See details Internal Common IMS 2G 3G LTE 5G
23.203TSPolicy and charging control architectureUnder change control S2
See details Internal Common IMS 2G 3G LTE 5G
23.207TSEnd-to-end Quality of Service (QoS) concept and architectureUnder change control S2
See details Internal Common IMS 2G 3G LTE 5G
23.216TSSingle Radio Voice Call Continuity (SRVCC); Stage 2Under change control S2
See details Internal Common IMS 2G 3G LTE 5G
23.218TSIP Multimedia (IM) session handling; IM call model; Stage 2Under change control C1
See details Internal Common IMS 2G 3G LTE 5G
23.221TSArchitectural requirementsUnder change control S2
See details Internal Common IMS 2G 3G LTE 5G
23.226TSGlobal text telephony (GTT); Stage 2Under change control S2
See details Internal Common IMS 2G 3G LTE 5G
23.228TSIP Multimedia Subsystem (IMS); Stage 2Under change control S2
See details Internal Common IMS 2G 3G LTE 5G
23.237TSIP Multimedia Subsystem (IMS) Service Continuity; Stage 2Under change control S2
See details Internal Common IMS 2G 3G LTE 5G
23.278TSCustomised Applications for Mobile network Enhanced Logic (CAMEL) Phase 4; Stage 2; IM CN InterworkingUnder change control C4
See details Internal Common IMS 2G 3G LTE 5G
23.292TSIP Multimedia Subsystem (IMS) centralized services; Stage 2Under change control S2
See details Internal Common IMS 2G 3G LTE 5G
23.380TSIMS Restoration ProceduresUnder change control C4
See details Internal Common IMS 2G 3G LTE 5G
23.402TSArchitecture enhancements for non-3GPP accessesUnder change control S2
See details Internal Common IMS 2G 3G LTE 5G
23.406TSTISPAN; IP Multimedia Subsystem (IMS); Stage 2 description [3GPP TS 23.228 v7.2.0, modified]Under change control S2
See details Internal Common IMS 2G 3G LTE 5G
23.506TSTISPAN; IP Multimedia Subsystem (IMS); Stage 2 description [3GPP TS 23.228 Release 7, modified]Under change control S2
See details Internal Common IMS 2G 3G LTE 5G
23.509TSTISPAN; NGN Architecture to support emergency communication from citizen to authority [Endorsed document 3GPP TS 23.167, Release 7]Under change control S2
See details Internal Common IMS 2G 3G LTE 5G
23.820TRStudy of IMS restoration proceduresUnder change control C4
See details Internal Common IMS 2G 3G LTE 5G
23.981TRInterworking aspects and migration scenarios for IPv4-based IP Multimedia Subsystem (IMS) implementationsUnder change control S2
See details Internal Common IMS 2G 3G LTE 5G
24.008TSMobile radio interface Layer 3 specification; Core network protocols; Stage 3Under change control C1
See details Internal Common IMS 2G 3G LTE 5G
24.141TSPresence service using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3Under change control C1
See details Internal Common IMS 2G 3G LTE 5G
24.147TSConferencing using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3Under change control C1
See details Internal Common IMS 2G 3G LTE 5G
24.167TS3GPP IMS Management Object (MO); Stage 3Under change control C1
See details Internal Common IMS 2G 3G LTE 5G
24.206TSVoice call continuity between Circuit Switched (CS) and IP Multimedia Subsystem (IMS); Stage 3Under change control C1
See details Internal Common IMS 2G 3G LTE 5G
24.216TSCommunication Continuity Management Object (MO)Under change control C1
See details Internal Common IMS 2G 3G LTE 5G
24.228TSSignalling flows for the IP multimedia call control based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3Under change control C1
See details Internal Common IMS 2G 3G LTE 5G
24.229TSIP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3Under change control C1
See details Internal Common IMS 2G 3G LTE 5G
24.237TSIP Multimedia (IM) Core Network (CN) subsystem IP Multimedia Subsystem (IMS) service continuity; Stage 3Under change control C1
See details Internal Common IMS 2G 3G LTE 5G
24.247TSMessaging service using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3Under change control C1
See details Internal Common IMS 2G 3G LTE 5G
24.279TSCombining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 3Under change control C1
See details Internal Common IMS 2G 3G LTE 5G
24.292TSIP Multimedia (IM) Core Network (CN) subsystem Centralized Services (ICS); Stage 3Under change control C1
See details Internal Common IMS 2G 3G LTE 5G
24.301TSNon-Access-Stratum (NAS) protocol for Evolved Packet System (EPS); Stage 3Under change control C1
See details Internal Common IMS 2G 3G LTE 5G
24.337TSIP Multimedia (IM) Core Network (CN) subsystem IP Multimedia Subsystem (IMS) inter-UE transfer; Stage 3Under change control C1
See details Internal Common IMS 2G 3G LTE 5G
24.403TSTISPAN; 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]Under change control C1
See details Internal Common IMS 2G 3G LTE 5G