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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, 7 November 2025
Geneva, 8-17 April 2025
Geneva, 9-18 July 2024
Geneva, 10 November 2023
Geneva, 1-10 March 2023
Geneva, 11 November 2022
Geneva, 23-27 May 2022
E-Meeting, 13-17 December 2021
E-Meeting, 24-28 May 2021
E-Meeting, 24-28 August 2020
E-Meeting, 31 March - 9 April 2020
Geneva, 23 April - 2 May 2019
Geneva, 9-18 April 2018
Geneva, 5-13 April 2017
Geneva, 22 February - 1 March 2016
Geneva, 16-20 March 2015
Geneva, 26-30 May 2014
Geneva, 27-31 May 2013
Geneva, 3-7 September 2012
Geneva, 16-20 January 2012
Geneva, 28 March - 1 April 2011
Seoul, 17-21 May 2010
Kampala, 21-25 September 2009
Geneva, 19-23 January 2009
Geneva, 31 March - 4 April 2008
Geneva, 2-9 October 2007
Geneva, 26-30 March 2007
Geneva, 19-27 June 2006
Type of action
Any
Action
Comment
Information
With title containing all these words
Full search in ITU-T LSs Database
Total found:
69
Page Size:
10
20
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100
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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:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG03-250408-TD-GEN-0064
Meeting:
Geneva, 8-17 April 2025
SG13-LS4
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-oLS-00004.zip
]
LS on information about the progress of IMT-2030 network studies within SG13
Approved on 2025-03-14
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG03-250408-TD-GEN-0067
Meeting:
Geneva, 8-17 April 2025
SCV-LS26
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-iLS-00026.docx
]
LS on “Comments from the CCT to terms and definitions submitted by ITU-T SG5 contained in Recommendation ITU-T L.1028, L.1310 and L.1410”
Approved on 2025-03-11
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG03-250408-TD-GEN-0068
Meeting:
Geneva, 8-17 April 2025
SG13-LS2
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-oLS-00002.docx
]
LS/r on FG-MV deliverables: allocation and guidance for future work (TSAG-LS46)
Approved on 2025-03-10
in response to
TSAG-LS46
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG03-250408-TD-GEN-0065
Meeting:
Geneva, 8-17 April 2025
SG13-LS3
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-oLS-00003.docx
]
LS on up-dated JCA-ML Terms of Reference and the name
Approved on 2025-03-10
.
For action to:
-
For information to:
Q11/3
Deadline:
-
Submitted as:
T25-SG03-250408-TD-GEN-0066
Meeting:
Geneva, 8-17 April 2025
JCA-IMT2020-LS16
- [
https://www.itu.int/ifa/t/2025/ls/jca-imt2020/sp18-jca-imt2020-oLS-00016.docx
]
LS on Invitation to update the information in the IMT-2020 and beyond roadmap
Approved on 2025-03-05
.
For action to:
All questions
For information to:
-
Deadline:
2025-07-04
Submitted as:
T25-SG03-250408-TD-GEN-0062
Meeting:
Geneva, 8-17 April 2025
SG11-LS23
- [
https://www.itu.int/ifa/t/2025/ls/sg11/sp18-sg11-oLS-00023.docx
]
LS/r on the resolution of AAP comments (reply to TSAG-LS44)
Approved on 2025-02-28
in response to
TSAG-LS44
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG03-250408-TD-GEN-0060
Meeting:
Geneva, 8-17 April 2025
FG-CD-LS4
- [
https://www.itu.int/ifa/t/2025/ls/fg-cd/sp18-fg-cd-oLS-00004.zip
]
LS on the final draft of Technical Report on policy, economic, and fiscal incentives for proliferation of affordable data services in unserved and underserved areas
Approved on 2025-02-18
.
For action to:
All questions
For information to:
-
Deadline:
2025-05-31
Submitted as:
T25-SG03-250408-TD-GEN-0063
Meeting:
Geneva, 8-17 April 2025
SG2-LS8
- [
https://www.itu.int/ifa/t/2025/ls/sg2/sp18-sg2-oLS-00008.docx
]
LS on SCV activity in SG2
Approved on 2025-02-14
.
For action to:
All questions
For information to:
-
Deadline:
-
Submitted as:
T25-SG03-250408-TD-GEN-0055
Meeting:
Geneva, 8-17 April 2025
SG2-LS37
- [
https://www.itu.int/ifa/t/2025/ls/sg2/sp18-sg2-oLS-00037.docx
]
LS/r on the resolution of AAP comments (reply to TSAG-LS44)
Approved on 2025-02-14
in response to
TSAG-LS44
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG03-250408-TD-GEN-0056
Meeting:
Geneva, 8-17 April 2025
SG2-LS1
- [
https://www.itu.int/ifa/t/2025/ls/sg2/sp18-sg2-oLS-00001.zip
]
LS on initiation of a work item on revision of Recommendation ITU-T E.100: “Definitions of terms used in international telephone operation”
Approved on 2025-02-14
.
For action to:
-
For information to:
Q9/3
Deadline:
-
Submitted as:
T25-SG03-250408-TD-GEN-0057
Meeting:
Geneva, 8-17 April 2025
SG2-LS3
- [
https://www.itu.int/ifa/t/2025/ls/sg2/sp18-sg2-oLS-00003.docx
]
LS/r on Proposal for a Joint Working Party on OTT Definitions (reply to SG3-LS35)
Approved on 2025-02-14
in response to
SG3-LS35
.
For action to:
Q9/3
For information to:
-
Deadline:
-
Submitted as:
T25-SG03-250408-TD-GEN-0058
Meeting:
Geneva, 8-17 April 2025
SG2-LS14
- [
https://www.itu.int/ifa/t/2025/ls/sg2/sp18-sg2-oLS-00014.zip
]
LS on the consent of draft new Recommendation ITU-T M.3111.1 (M.tosiep-ir) and initiation of new work item ITU-T M.tosiep-ia on the topic of "X-interface between telecom operation system and internet e-commerce platform"
Approved on 2025-02-14
.
For action to:
-
For information to:
Q12/3
Deadline:
-
Submitted as:
T25-SG03-250408-TD-GEN-0059
Meeting:
Geneva, 8-17 April 2025
SCV-LS9
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-iLS-00009.docx
]
LS on terms and definitions developed by ITU-T Study Group 3 (30 January 2025)
Approved on 2025-01-30
.
For action to:
All questions
For information to:
-
Deadline:
-
Submitted as:
T25-SG03-250408-TD-GEN-0050
Meeting:
Geneva, 8-17 April 2025
SCV-LS15
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-iLS-00015.docx
]
LS on the definition of the term 'free of charge' from ITU-T Study Group 5
Approved on 2025-01-30
.
For action to:
All questions
For information to:
-
Deadline:
-
Submitted as:
T25-SG03-250408-TD-GEN-0051
Meeting:
Geneva, 8-17 April 2025
SCV-LS17
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-iLS-00017.docx
]
LS on the definition of the term 'traffic' from ITU-T Study Group 5
Approved on 2025-01-30
.
For action to:
All questions
For information to:
-
Deadline:
-
Submitted as:
T25-SG03-250408-TD-GEN-0052
Meeting:
Geneva, 8-17 April 2025
SG20-LS6
- [
https://www.itu.int/ifa/t/2025/ls/sg20/sp18-sg20-oLS-00006.docx
]
LS on the establishment of a new Question under ITU-T Study Group 20
Approved on 2025-01-24
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG03-250408-TD-GEN-0043
Meeting:
Geneva, 8-17 April 2025
SG20-LS9
- [
https://www.itu.int/ifa/t/2025/ls/sg20/sp18-sg20-oLS-00009.zip
]
LS on the initiation of two new work items related to identity for metaverse
Approved on 2025-01-24
.
For action to:
-
For information to:
Q11/3
Deadline:
-
Submitted as:
T25-SG03-250408-TD-GEN-0044
Meeting:
Geneva, 8-17 April 2025
SG20-LS12
- [
https://www.itu.int/ifa/t/2025/ls/sg20/sp18-sg20-oLS-00012.docx
]
LS on Revised Title and Terms of Reference of JCA-IoT and SC&C
Approved on 2025-01-24
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG03-250408-TD-GEN-0045
Meeting:
Geneva, 8-17 April 2025
SG20-LS13
- [
https://www.itu.int/ifa/t/2025/ls/sg20/sp18-sg20-oLS-00013.docx
]
LS on Draft Terms of Reference of the Joint Coordination Activities on metaverse standardization
Approved on 2025-01-24
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG03-250408-TD-GEN-0046
Meeting:
Geneva, 8-17 April 2025
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