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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
Geneva, 9-17 June 2026
Geneva, 9-18 September 2025
E-Meeting, 25 March 2025
Geneva, 14-23 January 2025
E-Meeting, 29 August 2024
Geneva, 16-25 April 2024
Mexico City, 19-28 September 2023
Geneva, 18-26 January 2023
Geneva, 7-17 June 2022
E-Meeting, 12-21 October 2021
E-Meeting, 4-13 May 2021
E-Meeting, 6-7 January 2021
E-Meeting, 7-11 September 2020
E-Meeting, 15-24 April 2020
Geneva, 26 November - 5 December 2019
Stockholm, 4 September 2019
Geneva, 7-16 May 2019
Geneva, 27 November - 6 December 2018
Geneva, 1-10 May 2018
Geneva, 15 February 2018
Geneva, 19-28 September 2017
Geneva, 10-19 January 2017
Munich, 20 October 2016
Geneva, 7-16 June 2016
Geneva, 12-21 January 2016
Geneva, 5-14 May 2015
Herzogenrath, 12 December 2014
Geneva, 2-11 September 2014
Solothurn, 25 March 2014
Geneva, 3-12 December 2013
Geneva, 19-28 March 2013
Stockholm, 7 September 2012
Geneva, 29 May - 7 June 2012
Geneva, 31 October - 9 November 2011
Geneva, 18-27 January 2011
Berlin, 17 September 2010
Geneva, 18-27 May 2010
Geneva, 3-12 November 2009
Geneva, 10-19 March 2009
Geneva, 22-30 May 2008
Geneva, 2-11 October 2007
Geneva, 16-25 January 2007
Geneva, 5-13 June 2006
Type of action
Any
Action
Comment
Information
With title containing all these words
Full search in ITU-T LSs Database
Total found:
62
Page Size:
10
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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:
Q1/12
Deadline:
-
Submitted as:
T25-SG12-260609-TD-GEN-0398
Meeting:
Geneva, 9-17 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:
Q2/12
Deadline:
2026-07-17
Submitted as:
T25-SG12-260609-TD-GEN-0399
Meeting:
Geneva, 9-17 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:
Q1/12
Deadline:
-
Submitted as:
T25-SG12-260609-TD-GEN-0392
Meeting:
Geneva, 9-17 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:
Q1/12
Deadline:
-
Submitted as:
T25-SG12-260609-TD-GEN-0393
Meeting:
Geneva, 9-17 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:
Q1/12
Deadline:
-
Submitted as:
T25-SG12-260609-TD-GEN-0394
Meeting:
Geneva, 9-17 June 2026
JCA-IMT2020/IMT2030-LS19
- [
https://www.itu.int/ifa/t/2025/ls/jca-imt2020_imt2030/sp18-jca-imt2020_imt2030-00019.docx
]
LS on Invitation to update the information in the IMT-2020 and IMT-2030 roadmap
Approved on 2026-02-24
.
For action to:
Q1/12
For information to:
-
Deadline:
2026-06-15
Submitted as:
T25-SG12-260609-TD-GEN-0395
Meeting:
Geneva, 9-17 June 2026
SG2-LS93
- [
https://www.itu.int/ifa/t/2025/ls/sg2/sp18-sg2-00093.docx
]
LS/r on the term "connectivity" and its definition (reply to SCV-LS56)
Approved on 2026-02-13
in response to
SCV-LS56
.
For action to:
-
For information to:
Q2/12
Deadline:
2026-09-01
Submitted as:
T25-SG12-260609-TD-GEN-0388
Meeting:
Geneva, 9-17 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:
Q1/12
Deadline:
-
Submitted as:
T25-SG12-260609-TD-GEN-0396
Meeting:
Geneva, 9-17 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:
Q1/12
For information to:
-
Deadline:
2026-09-30
Submitted as:
T25-SG12-260609-TD-GEN-0397
Meeting:
Geneva, 9-17 June 2026
SCV-LS87
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-00087.docx
]
LS on terms and definitions developed by ITU-T Study Group 12, incorporating editorial suggestions from the CCT
Approved on 2026-02-02
.
For action to:
Q2/12; Q19/12
For information to:
-
Deadline:
-
Submitted as:
T25-SG12-260609-TD-GEN-0389
Meeting:
Geneva, 9-17 June 2026
SCV-LS96
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-00096.docx
]
LS on the comments on the term “object” and its definition, considered at the CCT meeting of 2 February 2026
Approved on 2026-02-02
.
For action to:
-
For information to:
Q2/12
Deadline:
-
Submitted as:
T25-SG12-260609-TD-GEN-0390
Meeting:
Geneva, 9-17 June 2026
SCV-LS100
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-00100.docx
]
LS on the comments on the term “control latency” and its definition, considered at the CCT meeting of 2 February 2026
Approved on 2026-02-02
.
For action to:
Q2/12; Q19/12
For information to:
-
Deadline:
-
Submitted as:
T25-SG12-260609-TD-GEN-0391
Meeting:
Geneva, 9-17 June 2026
TSAG-LS16
- [
https://www.itu.int/ifa/t/2025/ls/tsag/sp18-tsag-00016.docx
]
LS/r on Outcomes of the fourth meeting of CWG-SFP (reply to CWG-SFP-LS3)
Approved on 2026-01-30
in response to
CWG-SFP-LS3
.
For action to:
-
For information to:
Q1/12
Deadline:
2026-04-27
Submitted as:
T25-SG12-260609-TD-GEN-0379
Meeting:
Geneva, 9-17 June 2026
TSAG-LS18
- [
https://www.itu.int/ifa/t/2025/ls/tsag/sp18-tsag-00018.zip
]
LS on information on determined ITU-T A.1 "Working methods for study groups of the ITU Telecommunication Standardization Sector"
Approved on 2026-01-30
.
For action to:
-
For information to:
Q1/12
Deadline:
-
Submitted as:
T25-SG12-260609-TD-GEN-0380
Meeting:
Geneva, 9-17 June 2026
TSAG-LS19
- [
https://www.itu.int/ifa/t/2025/ls/tsag/sp18-tsag-00019.zip
]
LS on Information on agreed A-series Supplement 4 "Guidelines for remote participation"
Approved on 2026-01-30
.
For action to:
-
For information to:
Q1/12
Deadline:
-
Submitted as:
T25-SG12-260609-TD-GEN-0381
Meeting:
Geneva, 9-17 June 2026
TSAG-LS20
- [
https://www.itu.int/ifa/t/2025/ls/tsag/sp18-tsag-00020.zip
]
LS on a checklist for ITU-T deliverables
Approved on 2026-01-30
.
For action to:
Q1/12
For information to:
-
Deadline:
2027-01-15
Submitted as:
T25-SG12-260609-TD-GEN-0382
Meeting:
Geneva, 9-17 June 2026
TSAG-LS21
- [
https://www.itu.int/ifa/t/2025/ls/tsag/sp18-tsag-00021.docx
]
LS on lead study group concept and coordination mechanisms
Approved on 2026-01-30
.
For action to:
Q1/12
For information to:
-
Deadline:
2027-01-09
Submitted as:
T25-SG12-260609-TD-GEN-0384
Meeting:
Geneva, 9-17 June 2026
TSAG-LS23
- [
https://www.itu.int/ifa/t/2025/ls/tsag/sp18-tsag-00023.docx
]
LS on the closure of Joint Correspondence Groups on IoT Security (JCG-IoTSec) and Trust (JCG-Trust)
Approved on 2026-01-30
.
For action to:
-
For information to:
Q1/12
Deadline:
-
Submitted as:
T25-SG12-260609-TD-GEN-0385
Meeting:
Geneva, 9-17 June 2026
TSAG-LS24
- [
https://www.itu.int/ifa/t/2025/ls/tsag/sp18-tsag-00024.docx
]
LS on the implementation of WTSA-24 Resolution 86
Approved on 2026-01-30
.
For action to:
Q1/12
For information to:
-
Deadline:
2026-06-30
Submitted as:
T25-SG12-260609-TD-GEN-0386
Meeting:
Geneva, 9-17 June 2026
SG11-LS107
- [
https://www.itu.int/ifa/t/2025/ls/sg11/sp18-sg11-00107.zip
]
LS on initiation of a new work item Q.Sup.RCV-DVC “Supplement on Procedures for recovering stolen devices”
Approved on 2025-12-26
.
For action to:
-
For information to:
-
Deadline:
-
Submitted as:
T25-SG12-260609-TD-GEN-0369
Meeting:
Geneva, 9-17 June 2026
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