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Spec #CR #Revision #Impacted VersionTarget ReleaseTitleWG TDoc #WG statusTSG TDoc #TSG statusNew Version
23.2281236-16.5.0Rel-16Correction to HSS Discovery and Selection via NRFS2-2007574agreedSP-200956approved16.6.0
23.2281235-16.4.0Rel-16Error correction for imsSubscriber Data Management Service and acquistion of an 5GS IP address forS2-2005808agreedSP-200678approved16.5.0
23.2281234116.4.0Rel-16HSS Selection UpdateS2-2006496agreedSP-200678approved16.5.0
23.2281234-16.4.0Rel-16HSS Selection UpdateS2-2004882revised   
23.2281230216.2.0Rel-16SBI capable HSS supporting domain selection for SMS from IP-SM-GWS2-1912158noted   
23.2281230116.2.0Rel-16SBI capable HSS supporting domain selection for SMS from IP-SM-GWS2-1912086revised   
23.2281230-16.2.0Rel-16SBI capable HSS supporting domain selection for SMS from IP-SM-GWS2-1911682revised   
23.2281226-16.2.0Rel-16UDR service for mapping IMS Public Identity to HSS Group ID for HSS selectionS2-1910294agreedSP-191078approved16.3.0
23.2281225216.2.0Rel-16Correction on HSS service Nhss_imsSubscriberDataManagementS2-1910669agreedSP-191078approved16.3.0
23.2281225116.2.0Rel-16Correction on HSS service Nhss_imsSubscriberDataManagementS2-1910292revised   
23.2281225-16.2.0Rel-16Correction on HSS service Nhss_imsSubscriberDataManagementS2-1909465revised   
23.2281224-16.2.0Rel-16Discovery of Transport in P-CSCFS2-1909026noted   
23.2281223116.2.0Rel-16HSS Service Name correctionS2-1910293agreedSP-191078approved16.3.0
23.2281223-16.2.0Rel-16HSS Service Name correctionS2-1909025revised   
23.2281221116.1.0Rel-16Replace Group ID Service with existing Service of UDRS2-1908054postponed   
23.2281221-16.1.0Rel-16Replace Group ID Service with existing Service of UDRS2-1907509revised   
23.2281220-16.1.0Rel-16Remove EN forGroup ID service of UDRS2-1907505merged   
23.2281219216.1.0Rel-16Update P-CSCF Registration with NRFS2-1908114agreedSP-190611approved16.2.0
23.2281219116.1.0Rel-16Update P-CSCF Registration with NRFS2-1908062revised   
23.2281219-16.1.0Rel-16Update P-CSCF Registration with NRFS2-1907500revised   
23.2281218-16.1.0Rel-16Resolve EN on networks with both Rx and N5 supportS2-1907499agreedSP-190611approved16.2.0
23.2281217116.1.0Rel-16UDR service for mapping IMS Public Identity to HSS Group ID for HSS selectionS2-1908052postponed   
23.2281217-16.1.0Rel-16UDR service for mapping IMS Public Identity to HSS Group ID for HSS selectionS2-1907407revised   
23.2281216-16.1.0Rel-16S-CSCF, MRF and MGCF selection to consider proximity to UPFS2-1907394withdrawn   
23.2281215116.1.0Rel-16HSS service updateS2-1908059withdrawn   
23.2281215-16.1.0Rel-16HSS service updateS2-1907236merged   
23.2281214116.1.0Rel-16Title: HSS service to support T-ADS info queryS2-1908058withdrawn   
23.2281214-16.1.0Rel-16Title: HSS service to support T-ADS info queryS2-1907235merged   
23.2281213116.1.0Rel-16HSS service to support location info queryS2-1908057withdrawn   
23.2281213-16.1.0Rel-16HSS service to support location info queryS2-1907234merged   
23.2281212316.1.0Rel-16Clarification for HSS Discovery and Interface Type SelectionS2-1908614agreedSP-190611approved16.2.0
23.2281212216.1.0Rel-16Clarification for HSS Discovery and Interface Type SelectionS2-1908113revised   
23.2281212116.1.0Rel-16Clarification for HSS Discovery and Interface Type SelectionS2-1908056revised   
23.2281212-16.1.0Rel-16Clarification for HSS Discovery and Interface Type SelectionS2-1906930revised   
23.2281211416.1.0Rel-16Update of SBA HSS Services for IMSS2-1908598agreedSP-190611approved16.2.0
23.2281211316.1.0Rel-16Update of SBA HSS Services for IMSS2-1908118revised   
23.2281211216.1.0Rel-16Update of SBA HSS Services for IMSS2-1908112revised   
23.2281211116.1.0Rel-16Update of SBA HSS Services for IMSS2-1908055revised   
23.2281211-16.1.0Rel-16Update of SBA HSS Services for IMSS2-1906929revised   
23.2281209-16.0.0Rel-16HSS discovery via NRFS2-1905712noted   
23.2281207-16.0.0Rel-16Adding SLF services to 5GC for public identifiers in NF discoveryS2-1905379not treated   
23.2281205216.0.0Rel-16Bearer establishment mode negotiation not applicable in 5GCS2-1905925agreedSP-190419approved16.1.0
23.2281205116.0.0Rel-16Bearer establishment mode negotiation not applicable in 5GCS2-1905872revised   
23.2281205-16.0.0Rel-16Bearer establishment mode negotiation not applicable in 5GCS2-1904964revised   
23.2281204-16.0.0Rel-16Additional corrections for allowing IMS to use N5 interface to interact with PCFS2-1904942agreedSP-190419approved16.1.0
23.2281203316.0.0Rel-16Allowing IMS to use N5 interface to interact with PCFS2-1904382agreedSP-190419approved16.1.0
23.2281203216.0.0Rel-16Allowing IMS to use N5 interface to interact with PCFS2-1904378revised   
23.2281203116.0.0Rel-16Allowing IMS to use N5 interface to interact with PCFS2-1904354revised   
23.2281203-16.0.0Rel-16Allowing IMS to use N5 interface to interact with PCFS2-1903419revised   
23.2281202116.0.0Rel-16Allowing SMF to perform P-CSCF Discovery using NRFS2-1904361agreedSP-190419approved16.1.0
23.2281202-16.0.0Rel-16Allowing SMF to perform P-CSCF Discovery using NRFS2-1903417revised   
23.2281201316.0.0Rel-16HSS Discovery and Interface Type SelectionS2-1905930agreedSP-190419approved16.1.0
23.2281201216.0.0Rel-16HSS Discovery and Interface Type SelectionS2-1905889revised   
23.2281201116.0.0Rel-16HSS Discovery and Interface Type SelectionS2-1905010revised   
23.2281200316.0.0Rel-16SBA HSS Services for IMSS2-1905928agreedSP-190419approved16.1.0
23.2281200216.0.0Rel-16SBA HSS Services for IMSS2-1905875revised   
23.2281200116.0.0Rel-16SBA HSS Services for IMSS2-1905012revised   
23.2281199116.0.0Rel-16eIMS P-CSCF use of NRFS2-1904360agreedSP-190419approved16.1.0
23.2880059-16.1.0Rel-16UDR service for mapping IMS Public Identity to HSS Group ID for HSS selectionS2-1909123revised   
23.3800115-16.3.0Rel-16S-CSCF reselection in eIMSC4-212142agreedCP-211060approved16.4.0
23.5012391116.5.1Rel-16HSS Selection UpdateS2-2006497agreedSP-200678approved16.6.0
23.5012391-16.5.1Rel-16HSS Selection UpdateS2-2004883revised   
23.5012279116.4.0Rel-16Corrections to HSS DiscoveryS2-2003490agreedSP-200430approved16.5.0
23.5012279-16.4.0Rel-16Corrections to HSS DiscoveryS2-2002898revised   
23.5011912-16.2.0Rel-16Including IMS related interfaces in list of 5G interfacesS2-1909884agreedSP-191078approved16.3.0
23.5011759-16.2.0Rel-16UDR service for mapping IMS Public Identity to HSS Group ID for HSS selectionS2-1909125agreedSP-191078approved16.3.0
23.5011758-16.2.0Rel-16UDR service for mapping IMS Public Identity to HSS Group ID for HSS selectionS2-1909121withdrawn   
23.5011741-16.2.0Rel-16SMF Discovery of Transport in P-CSCFS2-1909027withdrawn   
23.5011611-16.1.0Rel-16Replace Group ID Service with existing Service of UDRS2-1907510merged   
23.5011609-16.1.0Rel-16Remove EN forGroup ID service of UDRS2-1907506merged   
23.5011607116.1.0Rel-16Update P-CSCF Discovery using NRFS2-1908061agreedSP-190611approved16.2.0
23.5011607-16.1.0Rel-16Update P-CSCF Discovery using NRFS2-1907502revised   
23.5011606-16.1.0Rel-16Add IMS interfaces to list of SBA interfacesS2-1907501not treated   
23.5011584116.1.0Rel-16UDR service for mapping IMS Public Identity to HSS Group ID for HSS selectionS2-1908053postponed   
23.5011584-16.1.0Rel-16UDR service for mapping IMS Public Identity to HSS Group ID for HSS selectionS2-1907408revised   
23.5011563116.1.0Rel-16NF Group resolution by SCPS2-1908063agreedSP-190611approved16.2.0
23.5011563-16.1.0Rel-16NF Group resolution by SCPS2-1907334revised   
23.5011478116.1.0Rel-16Correction of P-CSCF selection to consider proximity to UPFS2-1908060agreedSP-190611approved16.2.0
23.5011478-16.1.0Rel-16Correction of P-CSC selection to considerproximity to UPFS2-1907010revised   
23.5011438216.0.2Rel-16HSS discovery via NRFS2-1905929agreedSP-190419approved16.1.0
23.5011438116.0.2Rel-16HSS discovery via NRFS2-1905892revised   
23.5011438-16.0.2Rel-16HSS discovery via NRFS2-1905713revised   
23.5011384316.0.2Rel-16Adding UDR NF Group ID association functionalityS2-1906803agreedSP-190419approved16.1.0
23.5011384216.0.2Rel-16Adding SLF to architecture to allow public identifier in 5GCS2-1905931revised   
23.5011384116.0.2Rel-16Adding SLF to architecture to allow public identifier in 5GCS2-1905887revised   
23.5011384-16.0.2Rel-16Adding SLF to architecture to allow public identifier in 5GCS2-1905377revised   
23.5011134316.0.2Rel-16Allowing IMS to use N5 interface to interact with PCFS2-1904381agreedSP-190419approved16.1.0
23.5011134216.0.2Rel-16Allowing IMS to use N5 interface to interact with PCFS2-1904379revised   
23.5011134116.0.2Rel-16Allowing IMS to use N5 interface to interact with PCFS2-1904357revised   
23.5011134-16.0.2Rel-16Allowing IMS to use N5 interface to interact with PCFS2-1903420revised   
23.5011133-16.0.2Rel-16Allowing SMF to perform P-CSCF Discovery using NRFS2-1903418merged   
23.5011035416.0.2Rel-16NRF based P-CSCF discoveryS2-1905873agreedSP-190419approved16.1.0
23.5011035316.0.2Rel-16NRF based P-CSCF discoveryS2-1905488revised   
23.5021762-16.2.0Rel-16UDR service for mapping IMS Public Identity to HSS Group ID for HSS selectionS2-1909138agreedSP-191078approved16.3.0
23.5021758116.2.0Rel-16UDR service for mapping IMS Public Identity to HSS Group ID for HSS selectionS2-1909122withdrawn   
23.5021717-16.2.0Rel-16P-CSCF Transport Related parametersS2-1909028withdrawn   
23.5021594-16.1.1Rel-16Replace Group ID Service with existing Service of UDRS2-1907511merged   
23.5021593-16.1.1Rel-16Remove EN forGroup ID service of UDRS2-1907508merged   
23.5021592-16.1.1Rel-16Add P-CSCF as consumer of Npcf service operationsS2-1907503not treated   
23.5021571116.1.1Rel-16UDR service for mapping IMS Public Identity to HSS Group ID for HSS selectionS2-1908049postponed   
23.5021571-16.1.1Rel-16UDR service for mapping IMS Public Identity to HSS Group ID for HSS selectionS2-1907403revised   
23.5021569116.1.1Rel-16MRFP and IM-MGW selection to consider proximity to UPFS2-1907774noted   
23.5021569-16.1.1Rel-16S-CSCF, MRF and MGCF selection to consider proximity to UPFS2-1907397revised   
23.5021545116.1.1Rel-16NF Group resolution by SCPS2-1908064agreedSP-190611approved16.2.0
23.5021545-16.1.1Rel-16NF Group resolution by SCPS2-1907335revised   
23.5021444-16.0.2Rel-16HSS discovery via NRFS2-1905714merged   
23.5021406216.0.2Rel-16NRF service enhancement to support P-CSCF discoveryS2-1905926agreedSP-190419approved16.1.0
23.5021406116.0.0Rel-16NRF service enhancement to support P-CSCF discoveryS2-1905874revised   
23.5021406-16.0.0Rel-16NRF service enhancement to support P-CSCF discoveryS2-1905489revised   
23.5021389316.0.2Rel-16Adding NF Group ID association functionality to UDRS2-1906804agreedSP-190419approved16.1.0
23.5021389216.0.2Rel-16Adding SLF services to 5GC for public identifiers in NF discoveryS2-1905932revised   
23.5021389116.0.2Rel-16Adding SLF services to 5GC for public identifiers in NF discoveryS2-1905888revised   
23.5021389-16.0.2Rel-16Adding SLF services to 5GC for public identifiers in NF discoveryS2-1905378revised   
23.5021174116.0.1Rel-16Support for IMS functionality using Npcf servicesS2-1904356agreedSP-190419approved16.1.0
23.5021130316.0.2Rel-16HSS instances registration, and discovery in NRFS2-1906802agreedSP-190419approved16.1.0
23.5021130216.0.2Rel-16HSS instances registration, and discovery in NRFS2-1905891revised   
23.5021130116.0.2Rel-16HSS instances registration, and discovery in NRFS2-1905011revised   
23.5021129116.0.0Rel-16SMF discovery of P-CSCFS2-1904359agreedSP-190419approved16.1.0
23.5030342616.2.0Rel-16SR-VCC with PS to CS handover indicationS2-1912085agreedSP-191072approved16.3.0
23.5030342516.2.0Rel-16SR-VCC with PS to CS handover indicationS2-1911096revised   
23.5030342416.2.0Rel-165G to 3G SR-VCC with PS to CS handover indicationS2-1911042merged   
23.5030342316.2.0Rel-165G to 3G SR-VCC with PS to CS handover indicationS2-1910670revised   
23.5030342216.2.0Rel-165G to 3G SR-VCC with PS to CS handover indicationS2-1910295revised   
23.5030342116.2.0Rel-165G to 3G SR-VCC with PS to CS handover indicationS2-1910266revised   
23.5030342-16.2.0Rel-165G to 3G SR-VCC with PS to CS handover indicationS2-1909747revised   
23.5030257-16.0.0Rel-16Allowing IMS to use N5 interface to interact with PCFS2-1904944merged   
23.5030238516.0.0Rel-16Support for IMS functionality using Npcf servicesS2-1905927agreedSP-190419approved16.1.0
23.5030238416.0.0Rel-16Support for IMS functionality using Npcf servicesS2-1905871revised   
23.5030238316.0.0Rel-16Support for IMS functionality using Npcf servicesS2-1905348revised   
24.2296527117.2.0Rel-17S-CSCF reselection in eIMSC1-213612agreedCP-211134approved17.3.0
24.2296527-17.2.0Rel-17S-CSCF reselection in eIMSC1-213447revised   
24.2296526116.9.0Rel-16S-CSCF reselection in eIMSC1-213611agreedCP-211134approved16.10.0
24.2296526-16.9.0Rel-16S-CSCF reselection in eIMSC1-213445revised   
24.2296408116.5.0Rel-16No impact from SBA on main bodyC1-202066agreedCP-201110approved16.6.0
24.2296408-16.4.0Rel-16No impact from SBA on main bodyC1-200353revised   
24.2296384216.3.0Rel-16Service Based Architecture in IMSC1-198027agreedCP-193120approved16.4.0
24.2296384116.3.0Rel-16Service Based Architecture in IMSC1-196802revised   
24.2296384-16.3.0Rel-16Service Based Architecture in IMSC1-196154revised   
24.2371300-16.3.0Rel-16SRVCC from E-UTRAN to GERAN/UTRAN when IMS voice call is initiated in 5GS and support of scenario where the SCC AS sends a request to the HSS to retrieve the SRVCC data for the UE using SBAC1-203408merged   
24.2371299116.3.0Rel-16Support scenario where the SCC AS sends a request to the HSS to retrieve the SRVCC data for the UEC1-202675merged   
24.2371299-16.3.0Rel-16Support scenario where the SCC AS sends a request to the HSS to retrieve the SRVCC data for the UEC1-202099revised   
24.2371298416.3.0Rel-16SRVCC from E-UTRAN to GERAN/UTRAN when IMS voice call is initiated in 5GS and support of scenario where the SCC AS sends a request to the HSS to retrieve the SRVCC data for the UE using SBAC1-203782agreedCP-201131approved16.4.0
24.2371298316.3.0Rel-16SRVCC from E-UTRAN to GERAN/UTRAN when IMS voice call is initiated in 5GS and support of scenario where the SCC AS sends a request to the HSS to retrieve the SRVCC data for the UE using SBAC1-202837revised   
29.2141637-16.1.0Rel-16Report of EPS FallbackC3-201320withdrawn   
29.2141635116.1.0Rel-16Report of EPS FallbackC3-201496agreedCP-200231approved16.2.0
29.2141635-16.1.0Rel-16Report of EPS FallbackC3-201168revised   
29.3280632116.0.0Rel-16Introduce support for 5G SRVCC support indicationC4-202356agreedCP-201038approved16.1.0
29.5100558-17.2.0Rel-17NFType enumeration value for IMS-ASC4-214303agreedCP-212066approved17.3.0
29.5100557-16.8.0Rel-16NFType enumeration value for IMS-ASC4-214302agreedCP-212066approved16.9.0
29.5100405-16.5.0Rel-16P-CSCF addressesC4-205161agreedCP-203053approved16.6.0
29.5100378-16.4.0Rel-16Missing NF types for SBA interactions between IMS and 5GCC4-204203agreedCP-202118approved16.5.0
29.5100370-16.4.0Rel-16HSS NF Profile UpdateC4-204085agreedCP-202118approved16.5.0
29.5100245216.1.0Rel-16P-CSCF Discovery based on TAIC4-194515agreedCP-193059approved16.2.0
29.5100245116.1.0Rel-16P-CSCF Discovery based on TAIC4-194331revised   
29.5100245-16.1.0Rel-16P-CSCF Discovery based on TAIC4-194127revised   
29.5100233116.0.0Rel-16P-CSCF DiscoveryC4-193599agreedCP-192136approved16.1.0
29.5100233-16.0.0Rel-16P-CSCF DiscoveryC4-193318revised   
29.5120519-16.4.0Rel-16"PCSCF-Restoration-Enhancement" feature correctionsC3-203307agreedCP-201232approved16.5.0
29.5120433-16.3.0Rel-16Report of EPS FallbackC3-201321withdrawn   
29.5120423116.3.0Rel-16Report of EPS FallbackC3-201497agreedCP-200231approved16.4.0
29.5120423-16.3.0Rel-16Report of EPS FallbackC3-201169revised   
29.5120359-16.2.0Rel-16Add reference of 29.514C3-194149agreedCP-193196approved16.3.0
29.5120306116.1.0Rel-16Support of Npcf_PolicyAuthorization invocation of priority sharingC3-193412agreedCP-192155approved16.2.0
29.5120306-16.1.0Rel-16Support of Npcf_PolicyAuthorization invocation of priority sharingC3-193186revised   
29.5120305116.1.0Rel-16Support of IMS restorationC3-193411agreedCP-192155approved16.2.0
29.5120305-16.1.0Rel-16Support of IMS restorationC3-193185revised   
29.5130242117.1.0Rel-17Correction to table 7.4.1C3-211597agreedCP-210229approved17.2.0
29.5130146-16.3.0Rel-16Update for eIMS5G_SBAC3-202111agreedCP-201232approved16.4.0
29.5130136-16.2.0Rel-16Annex B, IMS Restricted Local Operator ServicesC3-201324agreedCP-200206approved16.3.0
29.5130135-16.2.0Rel-16Annex B, IMS Session Modification, provisioning of service informationC3-201323withdrawn   
29.5130134-16.2.0Rel-16Annex B, IMS Session EstablishmentC3-201322withdrawn   
29.5130133116.2.0Rel-16Subscription to Notification of Change of PLMN Identifier at IMS RegistrationC3-201451agreedCP-200206approved16.3.0
29.5130133-16.2.0Rel-16Subscription to Notification of Change of PLMN Identifier at IMS RegistrationC3-201315revised   
29.5130132-16.2.0Rel-16Subscription to Notification of Change of Access Type at IMS RegistrationC3-201314merged   
29.5130131-16.2.0Rel-16Provisioning of SIP signalling flow information at IMS RegistrationC3-201313merged   
29.5130130116.2.0Rel-16Subscription to Notification of Signalling Path Status at IMS RegistrationC3-201450agreedCP-200206approved16.3.0
29.5130130-16.2.0Rel-16Subscription to Notification of Signalling Path Status at IMS RegistrationC3-201312revised   
29.5130129-16.2.0Rel-16QoS Flow Release/LossC3-201311merged   
29.5130128-16.2.0Rel-16Mobile initiated session release / Network initiated session releaseC3-201310merged   
29.5130127-16.2.0Rel-16Provisioning of service information at terminating P-CSCF and PCFC3-201309merged   
29.5130126-16.2.0Rel-16Provisioning of service information at Originating P-CSCF and PCFC3-201308merged   
29.5130121-16.2.0Rel-16Annex B, P-CSCF RestorationC3-201179agreedCP-200206approved16.3.0
29.5130120-16.2.0Rel-16Annex B, Subscription to notification of signalling path status at IMS RegistrationC3-201178merged   
29.5130119-16.2.0Rel-16Annex B, Subscription to Notification of Change of PLMN IdentifierC3-201177merged   
29.5130118116.2.0Rel-16Annex B, Subscription to Notification of Change of Access TypeC3-201449agreedCP-200206approved16.3.0
29.5130118-16.2.0Rel-16Annex B, Subscription to Notification of Change of Access TypeC3-201176revised   
29.5130117116.2.0Rel-16Annex B, Provisioning of SIP signalling flow information at IMS RegistrationC3-201448agreedCP-200206approved16.3.0
29.5130117-16.2.0Rel-16Annex B, Provisioning of SIP signalling flow information at IMS RegistrationC3-201175revised   
29.5130116116.2.0Rel-16Annex B, IMS Session TerminationC3-201447agreedCP-200206approved16.3.0
29.5130116-16.2.0Rel-16Annex B, IMS Session TerminationC3-201174revised   
29.5130115116.2.0Rel-16Annex B, IMS Session Modification, media component removalC3-201446agreedCP-200206approved16.3.0
29.5130115-16.2.0Rel-16Annex B, IMS Session Modification, media component removalC3-201173revised   
29.5130114116.2.0Rel-16Annex B, IMS Session Modification, gate controlC3-201445agreedCP-200206approved16.3.0
29.5130114-16.2.0Rel-16Annex B, IMS Session Modification, gate controlC3-201172revised   
29.5130113116.2.0Rel-16Annex B, IMS Session Modification, provisioning of service informationC3-201444agreedCP-200222approved16.3.0
29.5130113-16.2.0Rel-16Annex B, IMS Session Modification, provisioning of service informationC3-201171revised   
29.5130112116.2.0Rel-16Annex B, IMS Session EstablishmentC3-201443agreedCP-200222approved16.3.0
29.5130112-16.2.0Rel-16Annex B, IMS Session EstablishmentC3-201170revised   
29.5130103416.1.0Rel-16Skeleton for Annex B, Signalling Flows for IMSC3-195411agreedCP-193196approved16.2.0
29.5130103316.1.0Rel-16Skeleton for Annex B, Signalling Flows for IMSC3-195406revised