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Spec #CR #Revision #Impacted VersionTarget ReleaseTitleWG TDoc #WG statusTSG TDoc #TSG statusNew Version
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   
23.2880059-16.1.0Rel-16UDR service for mapping IMS Public Identity to HSS Group ID for HSS selectionS2-1909123revised   
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   
23.5021762-16.2.0Rel-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   
23.5030342616.2.0Rel-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   
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
29.5100378-16.4.0Rel-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   
29.5130146-16.3.0Rel-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   
29.5130103216.1.0Rel-16Skeleton for Annex B, Signalling Flows for IMSC3-195383revised   
29.5130103116.1.0Rel-16Skeleton for Annex B, Signalling Flows for IMSC3-195309revised   
29.5130103-16.1.0Rel-16Skeleton for Annex B, Signalling Flows for IMSC3-195209revised   
29.5130102216.1.0Rel-16QoS Parameter mapping at AF, N5 interfaceC3-195435agreedCP-193217approved16.2.0
29.5130102116.1.0Rel-16QoS Parameter mapping at AF, N5 interfaceC3-195405revised   
29.5130102-16.1.0Rel-16QoS Parameter mapping at AF, N5 interfaceC3-195208revised   
29.5140260116.5.0Rel-16Handling of MPS Session by the P-CSCFC3-204314agreedCP-202065approved16.6.0
29.5140260-16.5.0Rel-16Handling of MPS Session by the P-CSCFC3-204241revised   
29.5140259116.5.0Rel-16Correction of handling of non-3GPP location information by the P-CSCFC3-204313agreedCP-202065approved16.6.0
29.5140259-16.5.0Rel-16Correction of handling of non-3GPP location information by the P-CSCFC3-204240revised   
29.5140258-16.5.0Rel-16Correction to Trusted Non-3GPP location informationC3-204239agreedCP-202065approved16.6.0
29.5140256116.5.0Rel-16Data type correction of the reqAniC3-204312agreedCP-202065approved16.6.0
29.5140256-16.5.0Rel-16Data type correction of the reqAniC3-204165revised   
29.5140243116.4.0Rel-16"PCSCF-Restoration-Enhancement" feature correctionsC3-203427agreedCP-201232approved16.5.0
29.5140243-16.4.0Rel-16"PCSCF-Restoration-Enhancement" feature correctionsC3-203306revised   
29.5140214316.4.0Rel-16Correction to NetLoc featureC3-203642agreedCP-201232approved16.5.0
29.5140214216.4.0Rel-16Correction to NetLoc featureC3-203208revised   
29.5140214116.4.0Rel-16Correction to NetLoc featureC3-202492agreed   
29.5140214-16.4.0Rel-16Correction to NetLoc featureC3-202257revised   
29.5140207-16.4.0Rel-16Miscellaneous correctionsC3-202206agreedCP-201232approved16.5.0
29.5140196-16.3.0Rel-16Report of EPS FallbackC3-201319withdrawn   
29.5140193-16.3.0Rel-16Correcting eIMS5G_SBA errors in clause 5.6C3-201255agreedCP-200206approved16.4.0
29.5140192-16.3.0Rel-16OpenAPI: property containing the pre-emption control informationC3-201254agreedCP-200206approved16.4.0
29.5140180116.3.0Rel-16Report of EPS FallbackC3-201495agreedCP-200231approved16.4.0
29.5140180-16.3.0Rel-16Report of EPS FallbackC3-201167revised   
29.5140177116.3.0Rel-16Network provided location information at SIP session releaseC3-201416agreedCP-200206approved16.4.0
29.5140177-16.3.0Rel-16Network provided location information at SIP session releaseC3-201153revised   
29.5140159-16.2.0Rel-16Support of Maximum Supported Bandwidth and Minimum Desired BandwidthC3-195205agreedCP-193196approved16.3.0
29.5140158216.2.0Rel-16P-CSCF restorationC3-195382agreedCP-193196approved16.3.0
29.5140158116.2.0Rel-16P-CSCF restorationC3-195308revised   
29.5140158-16.2.0Rel-16P-CSCF restorationC3-195204revised   
29.5140157-16.2.0Rel-16Correction of AF Charging Identifier data typeC3-195203agreedCP-193196approved16.3.0
29.5140144-16.2.0Rel-16NetLoc CorrectionC3-194240agreedCP-193196approved16.3.0
29.5140140216.2.0Rel-16Support of the RAN-NAS Release CauseC3-195206agreedCP-193196approved16.3.0
29.5140140116.2.0Rel-16Support of RAN-NAS Release CauseC3-194277agreed   
29.5140140-16.2.0Rel-16Support of RAN-NAS Release CauseC3-194071revised   
29.5140139116.2.0Rel-16P-CSCF procedures to subscribe to PLMN Change notificationC3-194276agreedCP-193196approved16.3.0
29.5140139-16.2.0Rel-16P-CSCF procedures to subscribe to PLMN Change notificationC3-194070revised   
29.5140138116.2.0Rel-16P-CSCF procedures to support Access Type Change notificationC3-194275agreedCP-193196approved16.3.0
29.5140138-16.2.0Rel-16P-CSCF procedures to support Access Type Change notificationC3-194069revised   
29.5140127-16.1.0Rel-16IMS emergency servicesC3-193184agreedCP-192155approved16.2.0
29.5140126216.1.0Rel-16Priority Sharing Indication  CP-192225approved16.2.0
29.5140126116.1.0Rel-16Priority Sharing IndicationC3-193409revisedCP-192155revised 
29.5140126-16.1.0Rel-16Priority Sharing IndicationC3-193183revised   
29.5140125116.1.0Rel-16Support of Mission Critical VideoC3-193408agreedCP-192155approved16.2.0
29.5140125-16.1.0Rel-16Support of Mission Critical VideoC3-193182revised   
29.5140124-16.1.0Rel-16Support of Mission Critical Push To TalkC3-193181agreedCP-192155approved16.2.0
29.5140123116.1.0Rel-16Resource Sharing SupportC3-193407agreedCP-192155approved16.2.0
29.5140123-16.1.0Rel-16Resource Sharing SupportC3-193180revised   
29.5140122116.1.0Rel-16Provisioning of Signalling Flow Information  CP-192222approved16.2.0
29.5140122-16.1.0Rel-16Provisioning of Signalling Flow InformationC3-193179revisedCP-192155revised 
29.5140121216.1.0Rel-16Subscription to notification of Signalling Path StatusC3-193620agreedCP-192155approved16.2.0
29.5140121116.1.0Rel-16Subscription to notification of Signalling Path StatusC3-193406revised   
29.5140121-16.1.0Rel-16Subscription to notification of Signalling Path StatusC3-193178revised   
29.5140120116.1.0Rel-16IMS related P-CSCF procedures, support of RTCP flowsC3-193405agreedCP-192155approved16.2.0
29.5140120-16.1.0Rel-16IMS related P-CSCF procedures, support of RTCP flowsC3-193177revised   
29.5140119-16.1.0Rel-16IMS related P-CSCF procedures, Support of SIP ForkingC3-193176agreedCP-192155approved16.2.0
29.5140118-16.1.0Rel-16IMS related P-CSCF procedures, setting flow status and flow numberC3-193175agreedCP-192155approved16.2.0
29.5140117116.1.0Rel-16IMS related P-CSCF procedures and Service Information StatusC3-193404agreedCP-192155approved16.2.0
29.5140117-16.1.0Rel-16IMS related P-CSCF procedures and Service Information StatusC3-193174revised