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Spec #CR #Revision #Impacted VersionTarget ReleaseTitleWG TDoc #WG statusTSG TDoc #TSG statusNew Version
26.1310081-16.0.0Rel-16Clarifying nature of headset requirementsS4-200504postponed   
26.1310080115.1.0Rel-15Clarification of WLAN delay requirementsS4-191054agreedSP-190648approved15.2.0
26.1310080-15.1.0Rel-15CR 26.131-0080 Clarification of WLAN delay requirements (Release 15)S4-190975revised   
26.1310079114.1.0Rel-14Clarification of WLAN delay requirementsS4-191053agreedSP-190648approved14.2.0
26.1310079-14.1.0Rel-14CR 26.131-0079 Clarification of WLAN delay requirements (Release 14)S4-190974revised   
26.1310078215.1.0Rel-16Support of NRS4-190836agreedSP-190650approved16.0.0
26.1310078115.1.0Rel-16CR 26.131-0078 rev 1 Support of NR (Release 16)S4-190821revised   
26.1310078-15.1.0Rel-16CR 26.131-0078 Support of NR (Rel-16)S4-190589revised   
26.1310077-15.0.0Rel-15Requirements and objectives for SWB and FB terminalsS4-180923agreedSP-180648approved15.1.0
26.1310076114.1.0Rel-15Criteria for RLR in the presence of background noiseS4-180615agreedSP-180273approved15.0.0
26.1310076-14.1.0Rel-15CR 26.131-0076 Criteria for RLR in the presence of background noise (Release 15)S4-180591revised   
26.1310075-14.1.0Rel-15Addition of requirements and objectives for SWB and FB terminalsS4-180582agreedSP-180274approved15.0.0
26.1310074114.0.0Rel-14Addition of SWB and FB noise suppression performance objectivesS4-170479agreedSP-170321approved14.1.0
26.1310074-14.0.0Rel-14CR 26.131-0074 Addition of SWB and FB noise suppression performance objectives (Rel-14)S4-170438revised   
26.1310073314.0.0Rel-14Extension of UE Delay RequirementsS4-170486agreedSP-170325approved14.1.0
26.1310073214.0.0Rel-14CR 26.131-0073 rev 2 Extension of UE Delay Requirements (Rel-14)S4-170484revised   
26.1310073114.0.0Rel-14CR 26.131-0073 rev 1 Extension of UE Delay Requirements (Rel-14)S4-170434revised   
26.1310073-14.0.0Rel-14Extension of UE Delay RequirementsS4-170355revised   
26.1310072-13.3.0Rel-13Corrections to fix wrong or missing references and inconsistent formattingS4-170353agreedSP-170317approved13.4.0
26.1310071113.2.0Rel-13CR 26.131-0071 rev 1 Removal of brackets for channel aware mode delay requirements (Release 13)S4-160556agreedSP-160260approved13.3.0
26.1310071-13.2.0Rel-13CR 26.131-0071 Removal of brackets for channel aware mode delay requirements (Release 13)S4-160460revised   
26.1310070313.1.0Rel-13CR 26.131-0070 rev 3 Performance objectives for the transmission quality in the sending direction in the presence of ambient noise, for hand-held handsfree (Release 13)S4-160295agreedSP-160067approved13.2.0
26.1310070213.1.0Rel-13CR 26.131-0070 rev 2 Performance objectives for the transmission quality in the sending direction in the presence of ambient noise, for hand-held handsfree (Release 13)S4-160290revised   
26.1310070113.1.0Rel-13CR 26.131-0070 rev 1 Performance objectives for the transmission quality in the sending direction in the presence of ambient noise, for hand-held handsfree (Release 13)S4-160282revised   
26.1310070-13.1.0Rel-13CR 26.131-0070 Performance objectives for the transmission quality in the sending direction in the presence of ambient noise, for hand-held handsfree (Release 13)S4-160272revised   
26.1310069313.1.0Rel-13CR 26.131- 0069 rev 3 Frequency response masks for SWB and FB (Release 13)S4-160294agreedSP-160065approved13.2.0
26.1310069213.1.0Rel-13CR 26.131- 0069 rev 2 Frequency response masks for SWB and FB (Release 13)S4-160286revised   
26.1310069113.1.0Rel-13CR 26.131- 0069 rev 1 Frequency response masks for SWB and FB (Release 13)S4-160278revised   
26.1310069-13.1.0Rel-13CR 26.131- 0069 Frequency response masks for SWB and FB (Release 13)S4-160274revised   
26.1310068312.4.0Rel-12CR 26.131- 0068 rev 3 Frequency response masks for SWB and FB (Release 12)S4-160293agreedSP-160065approved12.5.0
26.1310068212.4.0Rel-12CR 26.131- 0068 rev 2 Frequency response masks for SWB and FB (Release 12)S4-160285revised   
26.1310068112.4.0Rel-12CR 26.131- 0068 rev 1 Frequency response masks for SWB and FB (Release 12)S4-160277revised   
26.1310068-12.4.0Rel-12CR 26.131- 0068 Frequency response masks for SWB and FB (Release 12)S4-160273revised   
26.1310067113.0.0Rel-13CR 26.131-0067 rev 1 on Additional UE delay test scenarios for MTSI-based services over LTE with the EVS codec (Release 13)S4-151520agreedSP-150651approved13.1.0
26.1310067-13.0.0Rel-13CR 26.131-0067 on Additional UE delay test scenarios for MTSI-based services over LTE with the EVS codec (Release 13)S4-151499revised   
26.1310066112.4.0Rel-13CR 26.131-0066 rev 1 UE delay requirements for MTSI-based services over LTE with the EVS codec (Release 13)S4-151099agreedSP-150445approved13.0.0
26.1310066- Rel-13CR 26.131-0066 UE delay requirements for MTSI-based services over LTE with the EVS codec (Release 13)S4-151055revised   
26.1310065312.3.0Rel-12CR 26.131-0065 rev 3 Aligning requirements in TS 26.131 to test conditions in TS 26.132 related to free-field correction for hands-free modes (Release 12)S4-150562agreedSP-150209approved12.4.0
26.13100652 Rel-12CR 26.131-0065 rev 2 Aligning requirements in TS 26.131 to test conditions in TS 26.132 related to free-field correction for hands-free modes (Release 12)S4-150542revised   
26.13100651 Rel-13CR 26.131-0065 rev 1 Aligning requirements in TS 26.131 to test conditions in TS 26.132 related to free-field correction for hands-free modes (Release 12)S4-150536revised   
26.1310065- Rel-12CR 26.131-0065 Aligning requirements in TS 26.131 to test conditions in TS 26.132 related to free-field correction for hands-free modes (Release 12)S4-150526revised   
26.1310064- Rel-12CR 26.131- 0064 Correcting inconsistent receive distortion value between narrowband and wideband (for ratio at -3 dBm0) (Release 12)S4-150439withdrawn   
26.1310063212.2.0Rel-12Acoustic requirements for super-wideband and fullband telephonyS4-AHQ090agreedSP-140731approved12.3.0
26.1310063112.2.0Rel-12Acoustic requirements for super-wideband and fullband telephonyS4-AHQ086revised-  
26.1310063-12.2.0Rel-12Acoustic requirements for super-wideband and fullband telephonyS4-141399postponed-  
26.1310063-12.2.0Rel-12Acoustic requirements for super-wideband and fullband telephonyS4-141399revised-  
26.1310062112.1.0Rel-12LTE UE delay requirementsS4-141038agreedSP-140469approved12.2.0
26.1310062- Rel-12LTE UE delay requirementsS4-141033revised-  
26.1310061212.0.0Rel-12STMR – adaptation to modern form factorsS4-131400agreedSP-130563approved12.1.0
26.13100611 Rel-12STMR – adaptation to modern form factorsS4-131376revised-  
26.1310061- Rel-12STMR – adaptation to modern form factorsS4-131360revised-  
26.1310060211.2.0Rel-11STMR – adaptation to modern form factorsS4-131399agreedSP-130563approved11.3.0
26.13100601 Rel-11STMR – adaptation to modern form factorsS4-131375revised-  
26.1310060- Rel-11STMR – adaptation to modern form factorsS4-131359revised-  
26.1310059210.4.0Rel-10STMR – adaptation to modern form factorsS4-131398agreedSP-130563approved10.5.0
26.13100591 Rel-10STMR – adaptation to modern form factorsS4-131374revised-  
26.1310059- Rel-10STMR – adaptation to modern form factorsS4-131358revised-  
26.131005829.4.0Rel-9STMR – adaptation to modern form factorsS4-131397agreedSP-130563approved9.5.0
26.13100581 Rel-9STMR – adaptation to modern form factorsS4-131373revised-  
26.1310058- Rel-9STMR – adaptation to modern form factorsS4-131357revised-  
26.1310057111.2.0Rel-12Update acoustic requirements specification to cover MTSI speech-only services over LTE (narrowband and wideband)S4-130611agreedSP-130189approved12.0.0
26.1310057- Rel-12Update acoustic requirements specification to cover MTSI speech-only services over LTE (narrowband and wideband)S4-130601revised-  
26.1310056-11.2.0Rel-12Adding receiving distortion tests at frequencies lower than 1020HzS4-130597agreedSP-130189approved12.0.0
26.1310055111.1.0Rel-11Voiding of ambient noise rejection test casesS4-130254agreedSP-130017approved11.2.0
26.1310055- Rel-11Voiding of ambient noise rejection test casesS4-130245revised-  
26.1310054211.0.0Rel-11Minor clarification of UMTS UE Delay RequirementsS4-121520agreedSP-120760approved11.1.0
26.13100541 Rel-11Minor clarification of UMTS UE Delay RequirementsS4-121511revised-  
26.1310054- Rel-11Minor clarification of UMTS UE Delay RequirementsS4-121279revised-  
26.1310053110.4.0Rel-11Extension of Acoustic Test RequirementsS4-121234agreedSP-120503approved11.0.0
26.1310053- Rel-11Extension of Acoustic Test RequirementsS4-121204revised-  
26.1310052310.4.0Rel-11Addition of UE delay requirementS4-121244agreedSP-120503approved11.0.0
26.13100522 Rel-11Addition of UE delay requirementS4-121236revised-  
26.13100521 Rel-11Addition of UE delay requirementS4-121202revised-  
26.1310052- Rel-11Addition of UE delay requirementS4-121192revised-  
26.13100512 Rel-11Addition of UE delay requirementS4-120982rejected-  
26.13100511 Rel-11Addition of UE delay requirementS4-120870postponed-  
26.1310051- Rel-11Addition of UE delay requirementS4-120855revised-  
26.13100501 Rel-11Addition of UE delay requirementS4-120926rejected-  
26.1310050- Rel-11Addition of UE delay requirementS4-120812postponed-  
26.1310049- Rel-11Addition of requirements for UE speech delayS4-120259postponed-  
26.1310049- Rel-11Addition of requirements for UE speech delayS4-120259withdrawn-  
26.1310048-10.3.0Rel-10Corrections to volume control settingS4-111071agreedSP-110793approved10.4.0
26.1310047-10.3.0Rel-10Correction of sending idle channel noise requirementS4-110980agreedSP-110793approved10.4.0
26.1310046110.2.0Rel-10Note on applicability of WB sidetone delayS4-110728agreedSP-110549approved10.3.0
26.1310046- Rel-10Note on applicability of WB sidetone delayS4-110601revised-  
26.1310045- Rel-10Editorial modifications to TS 26.131S4-110408revised-  
26.1310044310.0.0Rel-10Correction of WB receive distortion requirements- SP-110149approved10.1.0
26.1310044210.0.0Rel-10Correction of WB receive distortion requirementsS4-110325agreedSP-110037revised 
26.13100441 Rel-10Correction of WB receive distortion requirementsS4-110272revised-  
26.1310044- Rel-10Correction of WB receive distortion requirementsS4-110063postponed-  
26.131004339.3.0Rel-9Correction of WB receive distortion requirements- SP-110149approved9.4.0
26.131004329.3.0Rel-9Correction of WB receive distortion requirementsS4-110324agreedSP-110037revised 
26.13100431 Rel-9Correction of WB receive distortion requirementsS4-110271revised-  
26.1310043- Rel-9Correction of WB receive distortion requirementsS4-110062postponed-  
26.131004228.2.0Rel-8Correction of WB send and receive distortion requirementsS4-110323agreedSP-110035approved8.3.0
26.13100421 Rel-8Correction of WB send and receive distortion requirementsS4-110270revised-  
26.1310042- Rel-8Correction of WB send and receive distortion requirementsS4-110061postponed-  
26.1310041310.0.0Rel-10Alignment of 3GPP Audio Test RequirementsS4-110154agreedSP-110042approved10.1.0
26.13100412 Rel-10Alignment of 3GPP Audio Test RequirementsS4-110142revised-  
26.13100411 Rel-10Alignment of 3GPP Audio Test RequirementsS4-110006revised-  
26.1310041- Rel-10Alignment of 3GPP Audio Test RequirementsS4-100917postponed-  
26.1310040310.1.0Rel-10Remaining modifications to EAAT WIS4-110545agreedSP-110304approved10.2.0
26.13100402 Rel-10Remaining modifications to EAAT WIS4-110441revised-  
26.13100401 Rel-10Update to the Ambient Noise Rejection RequirementsS4-100936postponed-  
26.1310040- Rel-10Update to the Ambient Noise Rejection RequirementsS4-100801revised-  
26.131003949.3.0Rel-10Enhancement of STMR requirementsS4-100685agreedSP-100470approved10.0.0
26.13100393 Rel-10Enhancement of STMR requirementsS4-100686revised-  
26.13100392 Rel-10Enhancement of STMR requirementsS4-100553revised-  
26.13100391 Rel-10Enhancement of STMR requirementsS4-100534revised-  
26.1310039- Rel-10Enhancement of STMR requirementsS4-100393revised-  
26.1310038- Rel-10Clarifying the interpretation of “nominal”S4-100211postponed-  
26.13100372 Rel-10Alignment of 3GPP audio Test RequirementsS4-100724postponed-  
26.13100371 Rel-10Alignment of 3GPP audio Test RequirementsS4-100600postponed-  
26.1310037- Rel-10Modification of Test Cases RequirementsS4-100205postponed-  
26.131003619.2.0Rel-9Correction of distortion measurementsS4-100146agreedSP-100021approved9.3.0
26.1310036- Rel-9Correction of distortion measurementsS4-100056revised-  
26.131003519.1.0Rel-9Correction of STMR calculationS4-090635agreedSP-090568approved9.2.0
26.1310035- Rel-9Correction of STMR calculationS4-090490postponed-  
26.131003418.1.0Rel-8Correction of STMR calculationS4-090634agreedSP-090568approved8.2.0
26.1310034- Rel-8Correction of STMR calculationS4-090489postponed-  
26.1310033-9.0.0Rel-9Receiving sensitivity/frequency mask correction- SP-090257approved9.1.0
26.1310032-8.0.0Rel-8Receiving sensitivity/frequency mask correctionS4-090247agreedSP-090257approved8.1.0
26.131003117.1.0Rel-8Updated requirements and performance objectives for wideband terminal acousticsS4-080793agreedSP-080682approved8.0.0
26.1310031- Rel-8Updated requirements and performance objectives for wideband terminal acousticsS4-080737revised-  
26.131003017.1.0Rel-8Receiving characteristics harmonizationS4-080736agreedSP-080682approved8.0.0
26.1310030- Rel-8Receiving characteristics harmonizationS4-080676revised-  
26.131002928.0.0Rel-9Terminal acoustic characteristics for telephonyS4-090153agreedSP-090017approved9.0.0
26.13100291 Rel-9Terminal acoustic characteristics for telephonyS4-090134revised-  
26.1310029- Rel-8Terminal acoustic characteristics for telephonyS4-080437postponed-  
26.131002827.0.0Rel-7Creating a sidetone requirement for the case where HATS method is usedS4-070707agreedSP-070759approved7.1.0
26.13100281 Rel-7Creating a sidetone requirement for the case where HATS method is usedS4-070610postponed-  
26.1310028- Rel-7Creating a sidetone requirement for the case where HATS method is usedS4-070510revised-  
26.131002716.0.0Rel-6Sending distortion requirements for WB-AMRS4-070165agreedSP-070026approved6.1.0
26.1310027- Rel-6Sending distortion requirements for WB-AMRS4-070025revised-  
26.13100261 Rel-6Volume control setting for echo loss requirementsS4-070164rejected-  
26.1310026- Rel-6Volume control setting for echo loss requirementsS4-070024revised-  
26.131002516.0.0Rel-6Update of reference [11] to P.79-2001 Annex GS4-070163agreedSP-070026approved6.1.0
26.1310025- Rel-6Update of reference [11] to P.79-2001 Annex GS4-070023revised-  
26.131002416.0.0Rel-6Correcting wrong reference to ITU-T G.223S4-070162agreedSP-070026approved6.1.0
26.1310024- Rel-6Reference to ITU-T G.223 in sending distortion and receiving distortion requirementsS4-070022revised-  
26.131002316.0.0Rel-6Minimum echo loss requirementsS4-070161agreedSP-070026approved6.1.0
26.1310023- Rel-6Minimum echo loss requirementsS4-070021revised-  
26.1310022-5.2.0Rel-6Change of sending distortion requirementS4-040556agreedSP-040649approved6.0.0
26.13100212 Rel-6Masks Mandatory Only for Default EQ SettingS4-030662postponed-  
26.13100211 Rel-6Masks Mandatory Only for Default EQ SettingS4-030640revised-  
26.1310021- Rel-6Masks Mandatory Only for Default EQ SettingS4-030620revised-  
26.1310020- Rel-5Change to Sending Distortion Test MethodS4-030312postponed-  
26.1310019- Rel-4Change to Sending Distortion Test MethodS4-030311postponed-  
26.1310018- R1999Change to Sending Distortion Test MethodS4-030310postponed-  
26.1310017- Rel-5Masks Mandatory Only for Default EQ SettingS4-030297withdrawn-  
26.1310016- Rel-4Masks Mandatory Only for Default EQ SettingS4-030296withdrawn-  
26.1310015- R1999Masks Mandatory Only for Default EQ SettingS4-030295withdrawn-  
26.1310014-5.1.0Rel-5Correction on the ANR requirement for hands-free UesS4-020426agreedSP-020435approved5.2.0
26.131001314.1.0Rel-4Correction on the ANR requirement for hands-free UesS4-020425agreedSP-020435rejected 
26.1310013- Rel-4Correction on the ANR requirement for hands-free UesS4-020387revised-  
26.1310012-3.3.0R1999Correction on the ANR requirement for hands-free UesS4-020386agreedSP-020435rejected 
26.131001114.1.0Rel-4Removal of wideband telephony from terminal acoustic requirementsS4-020473agreedSP-020435approved4.2.0
26.1310011- Rel-4Removal of wideband telephony from terminal acoustic requirementsS4-020383revised-  
26.131001013.3.0R1999Removal of wideband telephony from terminal acoustic requirementsS4-020472agreedSP-020435approved3.4.0
26.1310010- R1999Removal of wideband telephony from terminal acoustic requirementsS4-020382revised-  
26.1310009-5.0.0Rel-5Introduction of ANR tolerance of 3 dBS4-010545agreedSP-010453approved5.1.0
26.1310008-4.0.0Rel-4Introduction of ANR tolerance of 3 dBS4-010544agreedSP-010453approved4.1.0
26.131000713.2.0R1999Introduction of ANR tolerance of 3 dBS4-010543agreedSP-010453approved3.3.0
26.131000633.1.0Rel-5Wideband acoustic requirementsS4-010271agreedSP-010106approved5.0.0
26.131000623.1.0Rel-4Wideband acoustic requirementsS4-010155Rrevised-  
26.131000613.1.0Rel-4Wideband acoustic requirementsS4-010155rrevised-  
26.131000513.1.0R1999Harmonisation of narrow-band acoustic requirements between 3GPP and GSM'S4-010236agreedSP-010106approved3.2.0
26.1310005-3.1.0R1999Harmonisation of narrow-band acoustic requirements between 3GPP and GSM'S4-010153revised-  
26.131000413.0.0R1999Acoustic requirements for Handheld-type hands-free user equipmentS4-000311agreedSP-000264approved3.1.0
26.131000313.0.0R1999Change of Handset and headset UE receiving sensitivity/frequency characteristic maskS4-000310agreedSP-000264approved3.1.0
26.1310002-3.0.0R1999Listener side tone (LSTR) and talker side tone (STMR) requirementsS4-000292agreedSP-000264approved3.1.0
26.131000123.0.0R1999Addition of a chapter pointing to ITU-T Recommendations for extended parametersS4-000335agreedSP-000264approved3.1.0