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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 (IoT) and smart cities and communities (SC&C)]
ITU-T SG21 [Technologies for multimedia, content delivery and cable television]
Meeting
Geneva, 26-30 January 2026
Geneva, 26-30 May 2025
Geneva, 29 July - 2 August 2024
Geneva, 22-26 January 2024
Geneva, 30 May - 2 June 2023
Geneva, 12-16 December 2022
E-Meeting, 10-17 January 2022
E-Meeting, 25-29 October 2021
E-Meeting, 11-18 January 2021
E-Meeting, 21-25 September 2020
Geneva, 10-14 February 2020
Geneva, 23-27 September 2019
Geneva, 10-14 December 2018
Geneva, 26 February - 2 March 2018
Geneva, 1-4 May 2017
Geneva, 18-22 July 2016
Geneva, 1-5 February 2016
Geneva, 2-5 June 2015
Geneva, 17-20 June 2014
Geneva, 4-7 June 2013
Geneva, 2-4 July 2012
Geneva, 10-13 January 2012
Geneva, 8-11 February 2011
Geneva, 8-11 February 2010
Geneva, 28-30 April 2009
Geneva, 2-9 July 2008
Geneva, 3-7 December 2007
Geneva, 26 February - 1 March 2007
Geneva, 3-7 July 2006
Type of action
Any
Action
Comment
Information
With title containing all these words
Full search in ITU-T LSs Database
Total found:
58
Page Size:
10
20
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100
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SG20-LS45
- [
https://www.itu.int/ifa/t/2025/ls/sg20/sp18-sg20-oLS-00045.docx
]
LS on ITU-T SG20 Lead Study Group Report
Approved on 2025-05-19
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-TSAG-250526-TD-GEN-0028
Meeting:
Geneva, 26-30 May 2025
SCV-LS32
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-iLS-00032.docx
]
LS on the term ‘Orchestration’
Approved on 2025-05-13
.
For action to:
All questions
For information to:
-
Deadline:
-
Submitted as:
T25-TSAG-250526-TD-GEN-0124
Meeting:
Geneva, 26-30 May 2025
FG-AINN-LS2
- [
https://www.itu.int/ifa/t/2025/ls/fg-ainn/sp18-fg-ainn-oLS-00002.docx
]
LS on call for contributions to the new Focus Group on Artificial Intelligence Native for Telecommunication Networks (FG-AINN)
Approved on 2025-04-30
.
For action to:
All questions
For information to:
-
Deadline:
2025-06-04
Submitted as:
T25-TSAG-250526-TD-GEN-0116
Meeting:
Geneva, 26-30 May 2025
SG3-LS2
- [
https://www.itu.int/ifa/t/2025/ls/sg3/sp18-sg3-oLS-00002.zip
]
LS on the provisional approval of a new work item on cost models for provisioning Satellite Internet Connectivity Services
Approved on 2025-04-17
.
For action to:
All questions
For information to:
-
Deadline:
2025-10-31
Submitted as:
T25-TSAG-250526-TD-GEN-0082
Meeting:
Geneva, 26-30 May 2025
SG3-LS4
- [
https://www.itu.int/ifa/t/2025/ls/sg3/sp18-sg3-oLS-00004.zip
]
LS/r on Proposal for a Joint Working Party on OTT Definitions (reply to SG2-LS3 and SG2-LS1)
Approved on 2025-04-17
in response to
SG2-LS1
,
SG2-LS3
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-TSAG-250526-TD-GEN-0083
Meeting:
Geneva, 26-30 May 2025
SG17-LS18
- [
https://www.itu.int/ifa/t/2025/ls/sg17/sp18-sg17-oLS-00018.docx
]
LS on request to update security contacts and to provide information on security-related Recommendations or other texts under development
Approved on 2025-04-17
.
For action to:
All questions
For information to:
-
Deadline:
2025-12-01
Submitted as:
T25-TSAG-250526-TD-GEN-0085
Meeting:
Geneva, 26-30 May 2025
SG17-LS19
- [
https://www.itu.int/ifa/t/2025/ls/sg17/sp18-sg17-oLS-00019.zip
]
LS on SG17 Lead Study Group Reports
Approved on 2025-04-17
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-TSAG-250526-TD-GEN-0027
Meeting:
Geneva, 26-30 May 2025
SG17-LS23
- [
https://www.itu.int/ifa/t/2025/ls/sg17/sp18-sg17-oLS-00023.docx
]
LS on draft Terms of Reference of the Joint Correspondence Group on Trust (Joint-CG-Trust)
Approved on 2025-04-17
.
For action to:
All questions
For information to:
-
Deadline:
2025-06-01
Submitted as:
T25-TSAG-250526-TD-GEN-0087
Meeting:
Geneva, 26-30 May 2025
SG17-LS28
- [
https://www.itu.int/ifa/t/2025/ls/sg17/sp18-sg17-oLS-00028.docx
]
LS on the continuation of the Joint Coordination Activity on Identity Management (JCA-IdM)
Approved on 2025-04-17
.
For action to:
All questions
For information to:
-
Deadline:
2025-06-30
Submitted as:
T25-TSAG-250526-TD-GEN-0088
Meeting:
Geneva, 26-30 May 2025
SG17-LS29
- [
https://www.itu.int/ifa/t/2025/ls/sg17/sp18-sg17-oLS-00029.zip
]
LS on Updated Q3/17 text for TSAG approval
Approved on 2025-04-17
.
For action to:
All questions
For information to:
-
Deadline:
2025-06-30
Submitted as:
T25-TSAG-250526-TD-GEN-0089
Meeting:
Geneva, 26-30 May 2025
SG17-LS31
- [
https://www.itu.int/ifa/t/2025/ls/sg17/sp18-sg17-oLS-00031.docx
]
LS on the updated Q10/17 text “Management of digital identity”
Approved on 2025-04-17
.
For action to:
All questions
For information to:
-
Deadline:
2025-06-30
Submitted as:
T25-TSAG-250526-TD-GEN-0090
Meeting:
Geneva, 26-30 May 2025
SG17-LS38
- [
https://www.itu.int/ifa/t/2025/ls/sg17/sp18-sg17-oLS-00038.docx
]
LS on the establishment of the Correspondence Group on SG17 Strategy for AI security in telecommunications/ICTs (CG-AISEC-STRAT)
Approved on 2025-04-17
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-TSAG-250526-TD-GEN-0091
Meeting:
Geneva, 26-30 May 2025
SG17-LS49
- [
https://www.itu.int/ifa/t/2025/ls/sg17/sp18-sg17-oLS-00049.docx
]
LS on draft Terms of Reference of the Joint Correspondence Group on IoT security (Joint-CG-IoTSec)
Approved on 2025-04-17
.
For action to:
All questions
For information to:
-
Deadline:
2025-06-13
Submitted as:
T25-TSAG-250526-TD-GEN-0092
Meeting:
Geneva, 26-30 May 2025
SG17-LS54
- [
https://www.itu.int/ifa/t/2025/ls/sg17/sp18-sg17-oLS-00054.docx
]
LS on common definition on “metaverse”
Approved on 2025-04-17
.
For action to:
All questions
For information to:
-
Deadline:
2025-11-30
Submitted as:
T25-TSAG-250526-TD-GEN-0093
Meeting:
Geneva, 26-30 May 2025
ITU-R RAG-CA/277
- [
https://www.itu.int/ifa/t/2025/ls/itu-rrag/sp18-itu-rrag-iLS-00002.docx
]
LS/r on the creation of new ITU-T work items and definitions on Terrestrial and satellite Radiocommunication Issues (reply to TSAG-LS52)
Approved on 2025-04-17
in response to
TSAG-LS52
.
For action to:
All questions
For information to:
-
Deadline:
-
Submitted as:
T25-TSAG-250526-TD-GEN-0086
Meeting:
Geneva, 26-30 May 2025
SG15-LS16
- [
https://www.itu.int/ifa/t/2025/ls/sg15/sp18-sg15-oLS-00016.docx
]
LS/r on the latest updates of Access Network Transport (ANT) and Home Network Transport (HNT) Standards Overviews and Work Plans (reply to SG9-LS96 and SG21-LS9)
Approved on 2025-03-28
in response to
SG9-LS96
,
SG21-LS9
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-TSAG-250526-TD-GEN-0078
Meeting:
Geneva, 26-30 May 2025
SG15-LS34
- [
https://www.itu.int/ifa/t/2025/ls/sg15/sp18-sg15-oLS-00034.zip
]
LS/r to TSAG on the resolution of AAP comments (reply to TSAG-LS44)
Approved on 2025-03-28
in response to
TSAG-LS44
.
For action to:
All questions
For information to:
-
Deadline:
-
Submitted as:
T25-TSAG-250526-TD-GEN-0079
Meeting:
Geneva, 26-30 May 2025
SG15-LS26
- [
https://www.itu.int/ifa/t/2025/ls/sg15/sp18-sg15-oLS-00026.zip
]
LS on OTNT Standardization Work Plan Issue 35
Approved on 2025-03-28
.
For action to:
All questions
For information to:
-
Deadline:
2025-10-06
Submitted as:
T25-TSAG-250526-TD-GEN-0080
Meeting:
Geneva, 26-30 May 2025
SG15-LS36
- [
https://www.itu.int/ifa/t/2025/ls/sg15/sp18-sg15-oLS-00036.docx
]
LS/r on cooperation and coordination with ITU-R study groups (reply to TSAG-LS52)
Approved on 2025-03-28
in response to
TSAG-LS52
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-TSAG-250526-TD-GEN-0084
Meeting:
Geneva, 26-30 May 2025
SG13-LS1
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-oLS-00001.docx
]
LS/r on the resolution of AAP comments (TSAG-LS44)
Approved on 2025-03-14
in response to
TSAG-LS44
.
For action to:
All questions
For information to:
-
Deadline:
-
Submitted as:
T25-TSAG-250526-TD-GEN-0073
Meeting:
Geneva, 26-30 May 2025
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