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Spec #CR #Revision #Impacted VersionTarget ReleaseTitleWG TDoc #WG statusTSG TDoc #TSG statusNew Version
23.2720973114.1.0Rel-15Introduction of Service Gap ControlS2-178983agreedSP-170924approved15.0.0
23.2720973-14.1.0Rel-15Introduction of Service Gap ControlS2-178532revised   
23.2720972214.1.0Rel-14Alignment with stage 3 of HLCOM aspect on Mobile Terminating SMS handlingS2-177953agreedSP-170910approved14.2.0
23.2720972114.1.0Rel-14Alignment with stage 3 of HLCOM aspect on Mobile Terminating SMS handlingS2-177589revised   
23.2720972-14.1.0Rel-14Alignment with stage 3 of HLCOM aspect on Mobile Terminating SMS handlingS2-176913revised   
23.2720971213.5.0Rel-13Alignment with stage 3 of HLCOM aspect on Mobile Terminating SMS handlingS2-177952agreedSP-170910approved13.6.0
23.2720971113.5.0Rel-13Alignment with stage 3 of HLCOM aspect on Mobile Terminating SMS handlingS2-177588revised   
23.2720971-13.5.0Rel-13Alignment with stage 3 of HLCOM aspect on Mobile Terminating SMS handlingS2-176912revised   
23.2720970214.0.0Rel-14Correction on combined attach for NB-IoT UE for TS 23.272 in R14S2-176127agreedSP-170723approved14.1.0
23.2720970114.0.0Rel-14Correction on combined attach for NB-IoT UE for TS 23.272 in R14S2-176034revised   
23.2720970-14.0.0Rel-14Correction on combined attach for NB-IoT UE for TS 23.272 in R14S2-175578revised   
23.2720969114.0.0Rel-14Alignment with stage 3 on handling of Mobile Terminating SMS handling for extended I-DRXS2-176074agreedSP-170714approved14.1.0
23.2720969-14.0.0Rel-14Alignment with stage 3 on handling of Mobile Terminating SMS handling for extended I-DRXS2-175379revised   
23.2720968113.4.0Rel-13Alignment with stage 3 on handling of Mobile Terminating SMS handling for extended I-DRXS2-176073agreedSP-170714approved13.5.0
23.2720968-13.4.0Rel-13Alignment with stage 3 on handling of Mobile Terminating SMS handling for extended I-DRXS2-175378revised   
23.2720967-13.4.0Rel-14MT-CSFB/MT-SMS handling with Light ConnectionS2-170969not treated   
23.2720966-13.4.0Rel-14MT-CSFB/MT-SMS handling in Light ConnectionS2-170053not treated   
23.2720965-13.3.0Rel-14SRVCC based eCSFBS2-162656    
23.2720964213.3.0Rel-13Support for SMS using CP optimisation for CIOT  SP-160435  
23.2720964113.3.0Rel-13Support for SMS using CP optimisation for CIOTS2-162874revisedSP-160287revised 
23.2720964-13.3.0Rel-13Support for SMS using CP optimisation for CIOTS2-162466revised   
23.2720963-13.3.0Rel-14Support for MME informing eNB of CSFB statusS2-162453    
23.2720962113.3.0Rel-13Improve the MT SMS over SGs procedure in eDRXS2-162660merged   
23.2720962-13.3.0Rel-13Improve the MT SMS over SGs procedure in eDRXS2-161432revised   
23.2720961113.2.0Rel-13SMS support with EPS attach and TAUS2-161348agreedSP-160161approved13.3.0
23.2720961-13.2.0Rel-13SMS support with EPS attach and TAUS2-160978revised   
23.2720960413.3.0Rel-13MT SM transmission to a UE in eDRX within the SM-Delivery-Start-Time/TimerS2-163200agreedSP-160289approved13.4.0
23.2720960313.3.0Rel-13MT SM transmission to a UE in eDRX within the SM-Delivery-Start-Time/TimerS2-163168revised   
23.2720960213.3.0Rel-13MT SM transmission to a UE in eDRX within the SM-Delivery-Start-Time/TimerS2-162679revised   
23.2720960113.3.0Rel-13MT SM transmission to a UE in eDRX within the SM-Delivery-Start-Time/TimerS2-161652revised   
23.2720960-13.2.0Rel-13MT SM transmission to a UE in eDRX within the SM-Delivery-Start-Time/TimerS2-160474revised   
23.2720959-13.2.0Rel-13MT SMS for eDRX in unsynchronized E-UTRAN networksS2-160456    
23.2720958-13.2.0Rel-13Removal of new SGs cause for MT SMS over SGs in eDRXS2-160367    
23.2720957413.3.0Rel-13Prioritized SM retransmission by the SMS SC when the UE becomes reachableS2-163199agreedSP-160289approved13.4.0
23.2720957313.3.0Rel-13Prioritized SM retransmission by the SMS SC when the UE becomes reachableS2-163167revised   
23.2720957213.3.0Rel-13Prioritized SM retransmission by the SMS SC when the UE becomes reachableS2-162677revised   
23.2720957113.3.0Rel-13Prioritized SM retransmission by the SMS SC when the UE becomes reachableS2-161651revised   
23.2720957-13.2.0Rel-13Prioritized SM retransmission by the SMS SC when the UE becomes reachableS2-160302revised   
23.2720956413.3.0Rel-13MT SM retransmission by the SMS GMSC to a UE in eDRX at the time requested in the Delivery ReportS2-163175agreedSP-160289approved13.4.0
23.2720956313.3.0Rel-13MT SM retransmission by the SMS GMSC to a UE in eDRX at the time requested in the Delivery ReportS2-163050revised   
23.2720956213.3.0Rel-13MT SM retransmission by the SMS GMSC to a UE in eDRX at the time requested in the Delivery ReportS2-162675revised   
23.2720956113.3.0Rel-13MT SM retransmission by the SMS GMSC to a UE in eDRXS2-161650revised   
23.2720956-13.2.0Rel-13MT SM retransmission by the SMS GMSC to a UE in eDRXS2-160301revised   
23.2720955113.1.0Rel-13Correction on condition of CSFB MOS2-154291agreedSP-150614approved13.2.0
23.2720955-13.1.0Rel-13Correction on condition of CSFB MOS2-154032revised   
23.2720954113.1.0Rel-13MT-SMS triggered Paging handling for extended DRX UES2-154243agreedSP-150611approved13.2.0
23.2720954-13.1.0Rel-13MT-SMS triggered Paging handling for extended DRX UES2-153841revised   
23.2720953213.1.0Rel-13Correction of references to parts of Detach proceduresS2-154285agreedSP-150614approved13.2.0
23.2720953113.1.0Rel-13Correction of references to parts of Detach proceduresS2-153786revised   
23.2720953-13.1.0Rel-13Correction of references to parts of Detach proceduresS2-153393revised   
23.2720952112.6.0Rel-12Correction of references to parts of Detach proceduresS2-153785    
23.2720952-12.6.0Rel-12Correction of references to parts of Detach proceduresS2-153392revised   
23.2720951111.10.0Rel-11Correction of references to parts of Detach proceduresS2-153784    
23.2720951-11.10.0Rel-11Correction of references to parts of Detach proceduresS2-153391revised   
23.2720950110.15.0Rel-10Correction of references to parts of Detach proceduresS2-153783    
23.2720950-10.15.0Rel-10Correction of references to parts of Detach proceduresS2-153390revised   
23.272094919.15.0Rel-9Correction of references to parts of Detach proceduresS2-153782    
23.2720949-9.15.0Rel-9Correction of references to parts of Detach proceduresS2-153389revised   
23.272094818.12.0Rel-8Correction of references to parts of Detach proceduresS2-153781noted   
23.2720948-8.12.0Rel-8Correction of references to parts of Detach proceduresS2-153388revised   
23.2720947213.0.0Rel-13Mobile Terminating SMS handling for extended I-DRXS2-152621agreedSP-150501approved13.1.0
23.2720947113.0.0Rel-13Mobile Terminating SMS handling for extended I-DRXS2-152555revised   
23.2720947-13.0.0Rel-13Mobile Terminating SMS handling for extended I-DRXS2-152295revised   
23.2720946-12.5.0Rel-12Correction of CSFB references for CS domain priority schemesS2-151489agreedSP-150224approved12.6.0
23.2720945-11.9.0Rel-11Correction of CSFB references for CS domain priority schemesS2-151488agreedSP-150224approved11.10.0
23.2720944-12.4.0Rel-12eMPS-eMLPP issue in CSFB to GERANS2-143905noted-  
23.2720943-11.9.0Rel-11eMPS-eMLPP issue in CSFB to GERANS2-143904noted-  
23.2720942-10.15.0Rel-10eMPS-eMLPP issue in CSFB to GERANS2-143903noted-  
23.2720941212.4.0Rel-12Paging without LAIS2-150330agreedSP-150109approved12.5.0
23.2720941112.4.0Rel-12Paging without LAIS2-144275 -  
23.2720941-12.4.0Rel-12Paging without LAIS2-143398revised-  
23.2720940-12.4.0Rel-12Correction of CSFB priority for eMPS to GERANS2-143382 -  
23.2720939612.5.0Rel-13Enable ISR for PS-only UES2-151145agreedSP-150239approved13.0.0
23.2720939512.5.0Rel-13Enable ISR for PS-only UES2-151136revised   
23.2720939412.5.0Rel-13Enable ISR for PS-only UES2-150994revised   
23.2720939312.4.0Rel-12Enable ISR for PS-only UES2-150296revised   
23.2720939212.4.0Rel-12Enable ISR for PS-only UES2-143870 -  
23.2720939112.4.0Rel-12Enable ISR for PS-only UES2-143678revised-  
23.2720939-12.4.0Rel-12Enable ISR for PS-only UES2-143037revised-  
23.2720938-12.3.0Rel-12Corrections to message namesS2-142565agreedSP-140425approved12.4.0
23.2720937-12.2.0Rel-12Handling of the 2nd terminating call when an IMS emergency call is ongoingS2-141901noted-  
23.2720936-11.8.0Rel-11Handling of the 2nd terminating call when an IMS emergency call is ongoingS2-141900noted-  
23.2720935112.2.0Rel-12Handling CSFB request when VoLTE call is on-going in non SRVCC capable network/UES2-142002agreedSP-140252approved12.3.0
23.2720935-12.2.0Rel-12Handling CSFB request when VoLTE call is on-going in non SRVCC capable network/UES2-141856revised-  
23.2720934111.8.0Rel-11Handling CSFB request when VoLTE call is on-going in non SRVCC capable network/UES2-142001agreedSP-140252approved11.9.0
23.2720934-11.8.0Rel-11Handling CSFB request when VoLTE call is on-going in non SRVCC capable network/UES2-141855revised-  
23.2720933210.14.0Rel-10Handling CSFB request when VoLTE call is on-going in non SRVCC capable network/UES2-142141agreedSP-140252approved10.15.0
23.2720933110.14.0Rel-10Handling CSFB request when VoLTE call is on-going in non SRVCC capable network/UES2-142000revised-  
23.2720933-10.14.0Rel-10Handling CSFB request when VoLTE call is on-going in non SRVCC capable network/UES2-141854revised-  
23.2720932-12.2.0Rel-12Correction of ISR requirements for SGSNS2-141110 SP-140377approved12.3.0
23.2720932-12.2.0Rel-12Correction of ISR requirements for SGSNS2-141110agreedSP-140269reissued 
23.2720931112.2.0Rel-12New CSFB high priority indication for eMPS and emergency callS2-141250 SP-140377approved12.3.0
23.2720931112.2.0Rel-12New CSFB high priority indication for eMPS and emergency callS2-141250agreedSP-140269reissued 
23.2720931-12.2.0Rel-12New CSFB high priority indication for eMPS and emergency callS2-141099revised-  
23.2720930112.2.0Rel-12Correction on priority pagingS2-141242agreedSP-140251approved12.3.0
23.2720930-12.2.0Rel-12Correction on priority pagingS2-140987revised-  
23.2720929111.8.0Rel-11Correction on priority pagingS2-141241agreedSP-140251approved11.9.0
23.2720929-11.8.0Rel-11Correction on priority pagingS2-140986revised-  
23.2720928110.14.0Rel-10Correction on priority pagingS2-141240agreedSP-140251approved10.15.0
23.2720928-10.14.0Rel-10Correction on priority pagingS2-140985revised-  
23.2720927112.2.0Rel-12How to transfer the last used LTE PLMN identity for CSFB to UTRANS2-141237agreedSP-140256approved12.3.0
23.2720927-12.2.0Rel-12How to transfer the last used LTE PLMN identity for CSFB to UTRANS2-140901revised-  
23.2720926111.8.0Rel-11How to transfer the last used LTE PLMN identity for CSFB to UTRANS2-141236agreedSP-140256approved11.9.0
23.2720926-11.8.0Rel-11How to transfer the last used LTE PLMN identity for CSFB to UTRANS2-140900revised-  
23.2720925312.2.0Rel-12Correction of CSFB priority and eMLPP handlingS2-141249agreedSP-140250approved12.3.0
23.2720925212.2.0Rel-12Correction of CSFB priority and eMLPP handlingS2-140969revised-  
23.2720925112.1.0Rel-12Correction of CSFB priority and eMLPP handlingS2-140484withdrawn-  
23.2720925-12.1.0Rel-12Correction of CSFB priority and eMLPP handlingS2-140314revised-  
23.2720924311.8.0Rel-11Correction of CSFB priority and eMLPP handlingS2-141248agreedSP-140250approved11.9.0
23.2720924211.8.0Rel-11Correction of CSFB priority and eMLPP handlingS2-140968revised-  
23.2720924111.7.0Rel-11Correction of CSFB priority and eMLPP handlingS2-140483withdrawn-  
23.2720924-11.7.0Rel-11Correction of CSFB priority and eMLPP handlingS2-140313revised-  
23.2720923310.14.0Rel-10Correction of CSFB priority and eMLPP handlingS2-141247agreedSP-140250approved10.15.0
23.2720923210.14.0Rel-10Correction of CSFB priority and eMLPP handlingS2-140967revised-  
23.2720923110.13.0Rel-10Correction of CSFB priority and eMLPP handlingS2-140482withdrawn-  
23.2720923-10.13.0Rel-10Correction of CSFB priority and eMLPP handlingS2-140312revised-  
23.2720922-12.1.0Rel-12CSFB priority call handling in an eMLPP/MPS networkS2-140291 -  
23.2720921-11.7.0Rel-11CSFB priority call handling in an eMLPP/MPS networkS2-140290 -  
23.2720920-10.13.0Rel-10CSFB priority call handling in an eMLPP/MPS networkS2-140289 -  
23.2720919-12.1.0Rel-12Correction of MT procedures in active modeS2-140174agreedSP-140111approved12.2.0
23.2720918212.1.0Rel-12Supporting priority services in 1xCSFBS2-140532agreedSP-140098approved12.2.0
23.2720918112.1.0Rel-12Supporting priority services in 1xCSFBS2-140486revised-  
23.2720918-12.1.0Rel-12Supporting priority services in 1xCSFBS2-140165revised-  
23.2720917211.7.0Rel-11Supporting priority services in 1xCSFBS2-140531agreedSP-140098approved11.8.0
23.2720917111.7.0Rel-11Supporting priority services in 1xCSFBS2-140485revised-  
23.2720917-11.7.0Rel-11Supporting priority services in 1xCSFBS2-140164revised-  
23.2720916210.13.0Rel-10Supporting priority services in 1xCSFBS2-140530agreedSP-140098approved10.14.0
23.2720916110.13.0Rel-10Supporting priority services in 1xCSFBS2-140432revised-  
23.2720916-10.13.0Rel-10Supporting priority services in 1xCSFBS2-140163revised-  
23.2720915-12.0.0Rel-12Congestion control on the SGs interface via the overload start messageS2-134170 -  
23.2720914-12.0.0Rel-12CSFB priority call handling in a network supporting Multimedia Priority ServiceS2-134158 -  
23.2720913-11.6.0Rel-11CSFB priority call handling in a network supporting Multimedia Priority ServiceS2-134157 -  
23.2720912-10.12.0Rel-10CSFB priority call handling in a network supporting Multimedia Priority ServiceS2-134156 -  
23.2720911112.0.0Rel-12Ultra-Flash CSFB (SRVCC based CSFB)S2-134316noted-  
23.2720911-12.0.0Rel-12Ultra-Flash CSFB (SRVCC based CSFB)S2-134074revised-  
23.2720910-12.0.0Rel-12CSFB priority call handling in an eMLPP/MPS networkS2-133946 -  
23.2720909-11.6.0Rel-11CSFB priority call handling in an eMLPP/MPS networkS2-133945 -  
23.2720908-10.12.0Rel-10CSFB priority call handling in an eMLPP/MPS networkS2-133944 -  
23.2720907212.0.0Rel-12Resuming PS services that have been handed over to non-3GPPS2-133701agreedSP-130540approved12.1.0
23.2720907112.0.0Rel-12Resuming PS services that have been handed over to non-3GPPS2-133624revised-  
23.2720907-12.0.0Rel-12Resuming PS services that have been handed over to non-3GPPS2-133451revised-  
23.2720906-12.0.0Rel-12Overload handling for T4 device triggerS2-133442noted-  
23.2720905211.6.0Rel-11Alignment of CSFB/emergency and eMPS (priority service)S2-134330agreedSP-130520approved11.7.0
23.2720905111.6.0Rel-11Alignment of CSFB/emergency and eMPS (priority service)S2-134160revised-  
23.2720905-11.6.0Rel-11Alignment of CSFB/emergency and eMPS (priority service)S2-133427revised-  
23.2720904210.12.0Rel-10Alignment of CSFB/emergency and eMPS (priority service)S2-134329agreedSP-130520approved10.13.0
23.2720904110.12.0Rel-10Alignment of CSFB/emergency and eMPS (priority service)S2-134159revised-  
23.2720904-10.12.0Rel-10Alignment of CSFB/emergency and eMPS (priority service)S2-133426revised-  
23.2720903112.0.0Rel-12CS MO indication to VLR via SGsS2-134165agreedSP-130525approved12.1.0
23.2720903-12.0.0Rel-12CS MO indication to VLR via SGsS2-133424revised-  
23.2720902111.6.0Rel-11CS MO indication to VLR via SGsS2-134164agreedSP-130525approved11.7.0
23.2720902-11.6.0Rel-11CS MO indication to VLR via SGsS2-133423revised-  
23.2720901-12.0.0Rel-12Correction of resume procedure after CSFBS2-133414agreedSP-130525approved12.1.0
23.2720900212.0.0Rel-12Correction of the extended service request procedure for LIPA and SIPTO@LNS2-133974agreedSP-130526approved12.1.0
23.2720900112.0.0Rel-12Correction of the extended service request procedure for LIPA and SIPTO@LNS2-133718revised-  
23.2720900-12.0.0Rel-12Correction of the extended service request procedure for LIPA and SIPTO@LNS2-133410revised-  
23.2720899112.0.0Rel-12MME initiated removal of registration of MME for SMSS2-133563agreedSP-130522approved12.1.0
23.2720899-12.0.0Rel-12MME initiated removal of registration of MME for SMSS2-133392revised-  
23.2720898211.6.0Rel-11MME initiated removal of registration of MME for SMSS2-133734agreedSP-130522approved11.7.0
23.2720898111.6.0Rel-11MME initiated removal of registration of MME for SMSS2-133562revised-  
23.2720898-11.6.0Rel-11MME initiated removal of registration of MME for SMSS2-133391revised-  
23.2720897212.0.0Rel-12SS service ID used in the Paging messageS2-133972agreedSP-130525approved12.1.0
23.2720897112.0.0Rel-12SS service ID used in the Paging messageS2-133559revised-  
23.2720897-12.0.0Rel-12SS service ID used in the Paging messageS2-133274revised-  
23.2720896212.0.0Rel-12Earlier provision of the former last used LTE PLMN IDS2-133561agreedSP-130525approved12.1.0
23.2720896112.0.0Rel-12Earlier provision of the former last used LTE PLMN IDS2-133544revised-  
23.2720896-12.0.0Rel-12Earlier provision of the former last used LTE PLMN IDS2-133227revised-  
23.2720895211.6.0Rel-11Earlier provision of the former last used LTE PLMN IDS2-133560agreedSP-130525approved11.7.0
23.2720895111.6.0Rel-11Earlier provision of the former last used LTE PLMN IDS2-133543revised-  
23.2720895-11.6.0Rel-11Earlier provision of the former last used LTE PLMN IDS2-133226revised-  
23.2720894-12.0.0Rel-12Mobile terminating CS services and LU to new MSCS2-133223noted-  
23.2720893211.5.0Rel-11Corrections to UE return to last used LTE PLMN after CSFBS2-132884agreedSP-130376approved11.6.0
23.2720893111.5.0Rel-11Corrections to UE return to last used LTE PLMN after CSFBS2-132799revised-  
23.2720893-11.5.0Rel-11Corrections to UE return to last used LTE PLMN after CSFBS2-132566revised-  
23.2720892111.5.0Rel-11ISR with CSFB/ emergency handling with IMSIS2-132807agreedSP-130368approved11.6.0
23.2720892-11.5.0Rel-11ISR with CSFB/ emergency handling with IMSIS2-132688revised-  
23.2720891110.11.0Rel-10ISR with CSFB/ emergency handling with IMSIS2-132806agreedSP-130368approved10.12.0
23.2720891-10.11.0Rel-10ISR with CSFB/ emergency handling with IMSIS2-132687revised-  
23.272089029.14.0Rel-9ISR with CSFB/ emergency handling with IMSIS2-132882agreedSP-130368approved9.15.0
23.272089019.14.0Rel-9ISR with CSFB/ emergency handling with IMSIS2-132805revised-  
23.2720890-9.14.0Rel-9ISR with CSFB/ emergency handling with IMSIS2-132686revised-  
23.2720889211.5.0Rel-11TMSI reallocation for CSFB/emergency handling with IMSIS2-132880agreedSP-130376approved11.6.0
23.2720889111.5.0Rel-11TMSI reallocation for CSFB/emergency handling with IMSIS2-132802revised-  
23.2720889-11.5.0Rel-11TMSI reallocation for CSFB/emergency handling with IMSIS2-132684revised-  
23.2720888111.5.0Rel-11Replacing 'emergency' indication in CSFB with high priority indicationS2-132870withdrawn-  
23.2720888-11.5.0Rel-11Replacing 'emergency' indication in CSFB with high priority indicationS2-132682revised-  
23.2720887110.11.0Rel-10Replacing 'emergency' indication in CSFB with high priority indicationS2-132869withdrawn-  
23.2720887-10.11.0Rel-10Replacing 'emergency' indication in CSFB with high priority indicationS2-132681revised-  
23.2720886211.6.0Rel-11Correction of resume procedure after CSFBS2-133413agreedSP-130525approved11.7.0
23.2720886111.5.0Rel-11Correction of resume procedure after CSFBS2-132796noted-  
23.2720886-11.5.0Rel-11Correction of resume procedure after CSFBS2-132647revised-  
23.2720885211.5.0Rel-12Adding a recommendation on hysteresis mechanism for WORM featureS2-133027agreedSP-130385approved12.0.0
23.2720885111.5.0Rel-12Adding a recommendation on hysteresis mechanism for WORM featureS2-132914revised-  
23.2720885-11.5.0Rel-12Adding a recommendation on hysteresis mechanism for WORM featureS2-132618revised-  
23.2720884-11.5.0Rel-12SIPTO@LN PDN connection and CSFBS2-132540withdrawn-  
23.2720883211.5.0Rel-11Correction on 1xCSFB IMS interactionS2-132881agreedSP-130376approved11.6.0
23.2720883111.5.0Rel-11Correction on 1xCSFB IMS interactionS2-132804revised-  
23.2720883-11.5.0Rel-11Correction on 1xCSFB IMS interactionS2-132532revised-  
23.2720882111.5.0Rel-11Improve how CSFB UE return back to the former LTE PLMNS2-132798agreedSP-130376approved11.6.0
23.2720882-11.5.0Rel-11Improve how CSFB UE return back to the former LTE PLMNS2-132489revised-