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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
Tashkent, 28 October - 6 November 2025
Geneva, 25 July 2025
Geneva, 3-14 March 2025
Geneva, 15-26 July 2024
Geneva, 4-15 March 2024
Geneva, 23 October - 3 November 2023
Geneva, 26 July 2023
Geneva, 13-24 March 2023
Geneva, 25 November 2022
Geneva, 14 November 2022
Geneva, 4-15 July 2022
E-Meeting, 29 November - 10 December 2021
E-Meeting, 16 July 2021
E-Meeting, 1-12 March 2021
E-Meeting, 17 December 2020
E-Meeting, 7 December 2020
E-Meeting, 20-31 July 2020
Geneva, 13 March 2020
Geneva, 14-25 October 2019
Geneva, 28 June 2019
Victoria Falls, 4-14 March 2019
Geneva, 2 November 2018
Geneva, 16-27 July 2018
Geneva, 18 April 2018
Geneva, 6-17 November 2017
Geneva, 14 July 2017
Geneva, 6-17 February 2017
Geneva, 27 June - 8 July 2016
Geneva, 29 April 2016
Geneva, 30 November - 11 December 2015
Geneva, 23 July 2015
Geneva, 20 April - 1 May 2015
Geneva, 21 November 2014
Geneva, 7-18 July 2014
Geneva, 28 February 2014
Kampala, 4-15 November 2013
Geneva, 28 June 2013
Geneva, 18 February - 1 March 2013
Geneva, 4-15 June 2012
Geneva, 17 February 2012
Geneva, 6 February 2012
Geneva, 10-21 October 2011
Geneva, 20 May 2011
Geneva, 17-28 January 2011
Geneva, 16 September 2010
Geneva, 19-30 April 2010
Geneva, 29 January 2010
Mar del Plata, 2-12 September 2009
Geneva, 22 May 2009
Geneva, 12-23 January 2009
Geneva, 12 September 2008
Geneva, 22 May 2008
Seoul, 14-25 January 2008
Geneva, 21 September 2007
Geneva, 16-27 April 2007
Geneva, 3 November 2006
Geneva, 17-28 July 2006
Geneva, 16-27 January 2006
Type of action
Any
Action
Comment
Information
With title containing all these words
Full search in ITU-T LSs Database
Total found:
48
Page Size:
10
20
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100
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SCV-LS34
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-00034.docx
]
LS/r on the term “network infrastructure” developed by ITU-T Study Group 5 and validated by the CCT (reply to SG5-LS28)
Approved on 2025-07-01
in response to
SG5-LS28
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-250725-TD-GEN-0119
Meeting:
Geneva, 25 July 2025
SCV-LS35
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-00035.docx
]
LS/r on the progress of IMT-2030 network terms and definitions, as well as on CPN terms and definitions developed by ITU-T Study Group 13 (Reply to SG13-LS4 and SG13-LS14)
Approved on 2025-07-01
in response to
SG13-LS4
,
SG13-LS14
.
For action to:
All questions
For information to:
-
Deadline:
-
Submitted as:
T25-SG13-250725-TD-GEN-0120
Meeting:
Geneva, 25 July 2025
IOWN GF-LS7
- [
https://www.itu.int/ifa/t/2025/ls/iowngf/sp18-iowngf-iLS-00007.pdf
]
LS on updates of IOWN GF activities
Approved on 2025-06-30
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-250725-TD-GEN-0086
Meeting:
Geneva, 25 July 2025
ETSI ISG ZSM-(25)000129r1-LS16
- [
https://www.itu.int/ifa/t/2025/ls/etsiisgzsm/sp18-etsiisgzsm-iLS-00016.docx
]
LS on ZSM work on Agent and Autonomy
Approved on 2025-06-19
.
For action to:
All questions
For information to:
-
Deadline:
-
Submitted as:
T25-SG13-250725-TD-GEN-0118
Meeting:
Geneva, 25 July 2025
SG5-LS11
- [
https://www.itu.int/ifa/t/2025/ls/sg5/sp18-sg5-oLS-00011.docx
]
LS/r on the resolution of AAP comments (reply to TSAG-LS44)
Approved on 2025-06-12
in response to
TSAG-LS44
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-250725-TD-GEN-0114
Meeting:
Geneva, 25 July 2025
SG5-LS19
- [
https://www.itu.int/ifa/t/2025/ls/sg5/sp18-sg5-oLS-00019.zip
]
LS/r on initiation of new work item ITU-T Y.L2E2net-frm “Framework of low-latency and energy-efficient communications in integrated networking” (reply to SG13-LS236)
Approved on 2025-06-12
in response to
SG13-LS236
.
For action to:
All questions
For information to:
-
Deadline:
-
Submitted as:
T25-SG13-250725-TD-GEN-0115
Meeting:
Geneva, 25 July 2025
SG5-LS24
- [
https://www.itu.int/ifa/t/2025/ls/sg5/sp18-sg5-oLS-00024.docx
]
LS/r on the appointment of a vocabulary rapporteur (reply to SCV-LS1]
Approved on 2025-06-12
in response to
SCV-LS1
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-250725-TD-GEN-0116
Meeting:
Geneva, 25 July 2025
SG5-LS28
- [
https://www.itu.int/ifa/t/2025/ls/sg5/sp18-sg5-oLS-00028.docx
]
LS/r Comment regarding the term Network Infrastructure developed by ITU-T Study Group 5 (reply to SCV-L-S43)
Approved on 2025-06-12
in response to
SCV-LS43
.
For action to:
All questions
For information to:
-
Deadline:
-
Submitted as:
T25-SG13-250725-TD-GEN-0117
Meeting:
Geneva, 25 July 2025
ETSI ISG ENI-(25)034_032r1-LS7
- [
https://www.itu.int/ifa/t/2025/ls/etsiisgeni/sp18-etsiisgeni-iLS-00007.docx
]
LS/r on call for contributions on Focus Group on Artificial Intelligence Native for Telecommunication Networks (reply to FG-AINN-LS2)
Approved on 2025-06-05
in response to
FG-AINN-LS2
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-250725-TD-GEN-0094
Meeting:
Geneva, 25 July 2025
TSAG-LS5
- [
https://www.itu.int/ifa/t/2025/ls/tsag/sp18-tsag-oLS-00005.docx
]
LS on the development of ITU-T Standards Success Stories
Approved on 2025-05-30
.
For action to:
All questions
For information to:
-
Deadline:
2025-09-08
Submitted as:
T25-SG13-250725-TD-GEN-0091
Meeting:
Geneva, 25 July 2025
TSAG-LS10
- [
https://www.itu.int/ifa/t/2025/ls/tsag/sp18-tsag-oLS-00010.docx
]
LS on the Terms of reference ITU-T SGs at the New work item opening
Approved on 2025-05-30
.
For action to:
All questions
For information to:
-
Deadline:
-
Submitted as:
T25-SG13-250725-TD-GEN-0092
Meeting:
Geneva, 25 July 2025
TSAG-LS11
- [
https://www.itu.int/ifa/t/2025/ls/tsag/sp18-tsag-oLS-00011.docx
]
LS on the establishment of the Joint Correspondence Group on IoT Security (JCG-IoTSec)
Approved on 2025-05-30
.
For action to:
-
For information to:
All questions
Deadline:
2025-10-01
Submitted as:
T25-SG13-250725-TD-GEN-0093
Meeting:
Geneva, 25 July 2025
TSAG-LS12
- [
https://www.itu.int/ifa/t/2025/ls/tsag/sp18-tsag-oLS-00012.docx
]
LS on the establishment of the Joint Correspondence Group on Trust (Joint-CG-Trust)
Approved on 2025-05-30
.
For action to:
All questions
For information to:
-
Deadline:
2025-12-15
Submitted as:
T25-SG13-250725-TD-WP4-0152
Meeting:
Geneva, 25 July 2025
ITU-R WP 5C-5C/TEMP/99(Rev.1)
- [
https://www.itu.int/ifa/t/2025/ls/itu-rwp5c/sp18-itu-rwp5c-iLS-00022.docx
]
LS on the development of a new ITU-R Handbook on Fixed Wireless Systems
Approved on 2025-05-23
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-250725-TD-GEN-0089
Meeting:
Geneva, 25 July 2025
ITU-D Q5/1-Doc 1/557-LS4
- [
https://www.itu.int/ifa/t/2025/ls/itu-dq5_1/sp18-itu-dq5_1-iLS-00004.docx
]
LS on telecommunications/ICTs for rural and remote areas
Approved on 2025-05-12
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-250725-TD-WP4-0151
Meeting:
Geneva, 25 July 2025
ITU-D Q2/2-2/415
- [
https://www.itu.int/ifa/t/2025/ls/itu-dq2_2/sp18-itu-dq2_2-iLS-00009.zip
]
LS on Final Report of Question 2/2 (Enabling technologies for e-services and applications, including e-health and e-education)
Approved on 2025-05-09
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-250725-TD-GEN-0088
Meeting:
Geneva, 25 July 2025
ITU-D SG 1-Doc 1/553-LS72
- [
https://www.itu.int/ifa/t/2025/ls/itu-dsg1/sp18-itu-dsg1-iLS-00072.docx
]
LS on use of telecommunications/ICTs for disaster risk reduction and management
Approved on 2025-05-02
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-250725-TD-GEN-0087
Meeting:
Geneva, 25 July 2025
APT-ASTAP-37/OUT-19-LS12
- [
https://www.itu.int/ifa/t/2025/ls/apt/sp18-apt-iLS-00012.zip
]
LS on establishment of new APT Report on Futue Network services in 6G ad beyond
Approved on 2025-04-25
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-250725-TD-GEN-0090
Meeting:
Geneva, 25 July 2025
SG3-LS5
- [
https://www.itu.int/ifa/t/2025/ls/sg3/sp18-sg3-oLS-00005.docx
]
LS/r on Invitation to update the information in the IMT-2020 and beyond roadmap (reply to JCA-IMT2020-LS16)
Approved on 2025-04-17
in response to
JCA-IMT2020-LS16
.
For action to:
All questions
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-250725-TD-GEN-0099
Meeting:
Geneva, 25 July 2025
SG17-LS2
- [
https://www.itu.int/ifa/t/2025/ls/sg17/sp18-sg17-oLS-00002.docx
]
LS on the establishment of a new work item, ITU-T X.SSDHN-AI-Atk “Security guidelines for software-defined heterogeneous networks architecture against AI generated attacks and threats”
Approved on 2025-04-17
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-250725-TD-GEN-0100
Meeting:
Geneva, 25 July 2025
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