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ITU-T Liaison Statements
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ITU-T Liaison Statements
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Incoming liaison statements allocated to an ITU-T Study Group meeting (
*
)
ITU-T Study Group
Any
ITU-T TSAG [Telecommunication Standardization Advisory Group]
ITU-T SG2 [Operational aspects of telecommunications and ICTs]
ITU-T SG3 [Tariff and accounting principles and international telecommunication/ICT economic and policy issues]
ITU-T SG5 [Environment, climate action, circular economy and electromagnetic fields]
ITU-T SG11 [Signalling requirements, protocols, test specifications and combating counterfeit telecommunication/ICT devices]
ITU-T SG12 [Performance, quality of service (QoS) and quality of experience (QoE)]
ITU-T SG13 [Future networks and emerging network technologies]
ITU-T SG15 [Networks, technologies and infrastructures for transport, access and home]
ITU-T SG17 [Security]
ITU-T SG20 [Internet of Things, digital twins and smart sustainable cities and communities]
ITU-T SG21 [Technologies for multimedia, content delivery and cable television]
Meeting
Sophia Antipolis, 9-18 June 2026
Geneva, 29 October - 6 November 2025
Geneva, 3-12 June 2025
Wroclaw, 17-21 June 2024
Geneva, 13-22 November 2023
Sophia Antipolis, 13-23 June 2023
E-Meeting, 9 February 2023
E-Meeting, 5 December 2022
Rome, 17-27 October 2022
Geneva, 21 June - 1 July 2022
E-Meeting, 30 November - 10 December 2021
E-Meeting, 11-20 May 2021
E-Meeting, 19-23 October 2020
E-Meeting, 11-20 May 2020
Geneva, 16-20 September 2019
Geneva, 13-22 May 2019
Geneva, 11-21 September 2018
Geneva, 21-25 May 2018
Geneva, 5-9 March 2018
Sophia Antipolis, 13-22 November 2017
Geneva, 15-24 May 2017
Geneva, 10-14 October 2016
Kuala Lumpur, 20-27 April 2016
Geneva, 12-23 October 2015
Kochi, 8-19 December 2014
Geneva, 23-29 July 2014
Geneva, 19-23 May 2014
Lima, 2-13 December 2013
Geneva, 29 January - 7 February 2013
Geneva, 8-12 October 2012
Geneva, 11-19 April 2012
Seoul, 20-28 September 2011
Geneva, 27 April - 5 May 2011
Geneva, 23 November - 1 December 2010
Rome, 1 October 2010
Buenos Aires, 12-16 April 2010
Geneva, 19-22 January 2010
Geneva, 12-16 October 2009
Geneva, 25-29 May 2009
Geneva, 24-28 November 2008
Geneva, 25-29 February 2008
Geneva, 19-23 November 2007
Beijing, 14-18 May 2007
Geneva, 18-22 September 2006
Osaka, 22-26 May 2006
Type of action
Any
Action
Comment
Information
With title containing all these words
Full search in ITU-T LSs Database
Total found:
56
Page Size:
10
20
50
100
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SG11-LS117
- [
https://www.itu.int/ifa/t/2025/ls/sg11/sp18-sg11-00117.zip
]
LS on results of the ITU Survey on the use of ITU-T Recommendations in national conformity assessment frameworks, including type approval
Approved on 2026-03-11
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG05-260609-TD-GEN-0993
Meeting:
Sophia Antipolis, 9-18 June 2026
SG11-LS115
- [
https://www.itu.int/ifa/t/2025/ls/sg11/sp18-sg11-00115.docx
]
LS/r on new terms and definitions produced in SG21 (reply to SG21-LS164)
Approved on 2026-03-11
in response to
SG21-LS164
.
For action to:
-
For information to:
Q8/5
Deadline:
2026-07-17
Submitted as:
T25-SG05-260609-TD-GEN-0992
Meeting:
Sophia Antipolis, 9-18 June 2026
SG13-LS159
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00159.zip
]
LS on consent of draft new Recommendation ITU-T Y.3329 (ex Y.IMT2020-EE-CFW) “Requirements and capability framework of IMT-2020 networks and beyond from the energy efficiency perspective”
Approved on 2026-02-27
.
For action to:
-
For information to:
Q6/5; Q11/5
Deadline:
-
Submitted as:
T25-SG05-260609-TD-GEN-0969
Meeting:
Sophia Antipolis, 9-18 June 2026
SG13-LS170
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00170.zip
]
LS on consent of draft new Recommendation ITU-T Y.3541 (ex Y.ecs-reqts) "Edge computing - Functional requirements of edge computing service"
Approved on 2026-02-27
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG05-260609-TD-GEN-0970
Meeting:
Sophia Antipolis, 9-18 June 2026
SG13-LS171
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00171.zip
]
LS on consent of draft new Recommendation ITU-T Y.3534 (ex Y.FaaS-reqts) “Cloud computing - Functional requirements of function as a service”
Approved on 2026-02-27
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG05-260609-TD-GEN-0971
Meeting:
Sophia Antipolis, 9-18 June 2026
SG13-LS172
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00172.zip
]
LS on initiation of new work item ITU-T Y.ecsai-reqts “Edge computing – Functional requirements of edge computing service for AI workload"
Approved on 2026-02-27
.
For action to:
-
For information to:
Q6/5; Q9/5; Q11/5
Deadline:
-
Submitted as:
T25-SG05-260609-TD-GEN-0967
Meeting:
Sophia Antipolis, 9-18 June 2026
SG13-LS185
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00185.zip
]
LS on initiation of draft new Recommendation ITU-T Y.Req-DAP-CNG “Requirements for data awareness and processing of computing, network and grid power for scheduling”
Approved on 2026-02-27
.
For action to:
-
For information to:
Q6/5; Q9/5; Q11/5
Deadline:
-
Submitted as:
T25-SG05-260609-TD-GEN-0985
Meeting:
Sophia Antipolis, 9-18 June 2026
SG13-LS186
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00186.zip
]
LS on initiation of draft new Recommendation ITU-T Y.AIEE-GN “AI-based energy efficiency management for green infrastructure in Developing Countries”
Approved on 2026-02-27
.
For action to:
-
For information to:
Q6/5
Deadline:
-
Submitted as:
T25-SG05-260609-TD-GEN-0986
Meeting:
Sophia Antipolis, 9-18 June 2026
SG2-LS76
- [
https://www.itu.int/ifa/t/2025/ls/sg2/sp18-sg2-00076.zip
]
LS on initiation of a new work item on ITU-T M.cedco “Cost-effectiveness evaluation of data center operation” in Q6/2
Approved on 2026-02-13
.
For action to:
-
For information to:
Q6/5
Deadline:
-
Submitted as:
T25-SG05-260609-TD-GEN-0977
Meeting:
Sophia Antipolis, 9-18 June 2026
TSAG-LS26
- [
https://www.itu.int/ifa/t/2025/ls/tsag/sp18-tsag-00026.docx
]
LS on TSAG proposal for modification on enablers in the draft ITU Strategic Plan for 2028-2031
Approved on 2026-02-11
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG05-260609-TD-GEN-0987
Meeting:
Sophia Antipolis, 9-18 June 2026
TSAG-LS27
- [
https://www.itu.int/ifa/t/2025/ls/tsag/sp18-tsag-00027.zip
]
LS on Request for feedback on the identification of needs to increase the support for the modernization of Study Groups
Approved on 2026-02-11
.
For action to:
All questions
For information to:
-
Deadline:
2026-09-30
Submitted as:
T25-SG05-260609-TD-GEN-0988
Meeting:
Sophia Antipolis, 9-18 June 2026
SCV-LS76
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-00076.docx
]
LS on Comments the term “mobile telecommunication terminal” and its definition developed by ITU-T Study Group 5
Approved on 2026-02-02
.
For action to:
-
For information to:
Q7/5; Q8/5
Deadline:
-
Submitted as:
T25-SG05-260609-TD-GEN-0951
Meeting:
Sophia Antipolis, 9-18 June 2026
SCV-LS79
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-00079.docx
]
LS on comments on the term “trials” and its definition developed by ITU-T Study Group 2
Approved on 2026-02-02
.
For action to:
Q8/5
For information to:
-
Deadline:
-
Submitted as:
T25-SG05-260609-TD-GEN-0952
Meeting:
Sophia Antipolis, 9-18 June 2026
SCV-LS81
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-00081.docx
]
LS on the comments on the term “idle state” and its definition, considered at the CCT meeting of 2 February 2026
Approved on 2026-02-02
.
For action to:
Q8/5; Q9/5
For information to:
-
Deadline:
-
Submitted as:
T25-SG05-260609-TD-GEN-0953
Meeting:
Sophia Antipolis, 9-18 June 2026
SCV-LS82
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-00082.docx
]
LS on the comments on the term “sink” developed by ITU-T Study Group 5, considered at the CCT meeting of 2 February 2026
Approved on 2026-02-02
.
For action to:
Q7/5; Q8/5
For information to:
-
Deadline:
-
Submitted as:
T25-SG05-260609-TD-GEN-0954
Meeting:
Sophia Antipolis, 9-18 June 2026
SCV-LS83
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-00083.docx
]
LS on the comments on the term “data quality” and its definition, considered at the CCT meeting of 2 February 2026
Approved on 2026-02-02
.
For action to:
Q8/5; Q9/5
For information to:
-
Deadline:
-
Submitted as:
T25-SG05-260609-TD-GEN-0955
Meeting:
Sophia Antipolis, 9-18 June 2026
SCV-LS84
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-00084.docx
]
LS on the comments on the term “source” and its definition, considered at the CCT meeting of 2 February 2026
Approved on 2026-02-02
.
For action to:
Q7/5; Q8/5
For information to:
-
Deadline:
-
Submitted as:
T25-SG05-260609-TD-GEN-0956
Meeting:
Sophia Antipolis, 9-18 June 2026
SCV-LS85
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-00085.docx
]
LS on the comments on the term “management information base (MIB)” and its definition, considered at the CCT meeting of 2 February 2026
Approved on 2026-02-02
.
For action to:
Q6/5; Q8/5
For information to:
-
Deadline:
-
Submitted as:
T25-SG05-260609-TD-GEN-0957
Meeting:
Sophia Antipolis, 9-18 June 2026
SCV-LS86
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-00086.docx
]
LS on terms and definitions developed by ITU-T Study Group 5, incorporating editorial suggestions from the CCT
Approved on 2026-02-02
.
For action to:
Q6/5; Q8/5
For information to:
-
Deadline:
-
Submitted as:
T25-SG05-260609-TD-GEN-0978
Meeting:
Sophia Antipolis, 9-18 June 2026
SCV-LS88
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-00088.docx
]
LS/r on the validated definition of the term “security update to firmware” (Reply to ITU-T SG5-LS30 and ITU-T SG17-LS87)
Approved on 2026-02-02
in response to
SG5-LS30
,
SG17-LS87
.
For action to:
Q7/5; Q8/5
For information to:
-
Deadline:
-
Submitted as:
T25-SG05-260609-TD-GEN-0979
Meeting:
Sophia Antipolis, 9-18 June 2026
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