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ETSI - European Telecommunication Standard Institute(ETSI) produces globally-applicable standards for information and telecommunication technologies (ICT) including land, mobile, radio, converged, broadcast and internet technologies.
Universal Mobile Telecommunications System (UMTS); LTE; Terminal acoustic characteristics for telephony; Requirements (3GPP TS 26.131 version 10.1.0 Release 10)
Standard published on 7.4.2011
Selected format:Universal Mobile Telecommunications System (UMTS); LTE; Terminal acoustic characteristics for telephony; Requirements (3GPP TS 26.131 version 10.2.0 Release 10)
Standard published on 27.6.2011
Selected format:Universal Mobile Telecommunications System (UMTS); LTE; Terminal acoustic characteristics for telephony; Requirements (3GPP TS 26.131 version 10.3.0 Release 10)
Standard published on 21.10.2011
Selected format:Universal Mobile Telecommunications System (UMTS); LTE; Terminal acoustic characteristics for telephony; Requirements (3GPP TS 26.131 version 10.4.0 Release 10)
Standard published on 10.1.2012
Selected format:Universal Mobile Telecommunications System (UMTS); LTE; Terminal acoustic characteristics for telephony; Requirements (3GPP TS 26.131 version 10.5.0 Release 10)
Standard published on 8.1.2014
Selected format:Universal Mobile Telecommunications System (UMTS); LTE; Terminal acoustic characteristics for telephony; Requirements (3GPP TS 26.131 version 11.0.0 Release 11)
Standard published on 11.10.2012
Selected format:Universal Mobile Telecommunications System (UMTS); LTE; Terminal acoustic characteristics for telephony; Requirements (3GPP TS 26.131 version 11.1.0 Release 11)
Standard published on 22.1.2013
Selected format:Universal Mobile Telecommunications System (UMTS); LTE; Terminal acoustic characteristics for telephony; Requirements (3GPP TS 26.131 version 11.2.0 Release 11)
Standard published on 23.4.2013
Selected format:Universal Mobile Telecommunications System (UMTS); LTE; Terminal acoustic characteristics for telephony; Requirements (3GPP TS 26.131 version 11.3.0 Release 11)
Standard published on 8.1.2014
Selected format:Universal Mobile Telecommunications System (UMTS); LTE; Terminal acoustic characteristics for telephony; Requirements (3GPP TS 26.131 version 12.2.0 Release 12)
Standard published on 1.10.2014
Selected format:Latest update: 2026-09-17 (Number of items: 2 301 467)
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