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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, 14-22 July 2026
Geneva, 3-11 March 2026
Geneva, 17-26 November 2025
Geneva, 19-28 February 2025
Geneva, 1-10 May 2024
E-Meeting, 7 February 2024
Geneva, 10-20 October 2023
Geneva, 10-19 May 2023
Geneva, 7 December 2022
Geneva, 6-15 July 2022
E-Meeting, 1-10 December 2021
E-Meeting, 15-16 July 2021
E-Meeting, 17-26 March 2021
E-Meeting, 18 December 2020
E-Meeting, 4 December 2020
E-Meeting, 19 November 2020
E-Meeting, 22-31 July 2020
Geneva, 4-13 March 2020
Geneva, 16-25 October 2019
Geneva, 26 June 2019
Geneva, 6-15 March 2019
Geneva, 31 October 2018
Geneva, 18-27 July 2018
Geneva, 8-17 November 2017
Geneva, 12-13 July 2017
Geneva, 6-15 February 2017
Geneva, 27 June - 6 July 2016
Geneva, 29 April 2016
Sophia Antipolis, 24 March 2016
Geneva, 2-11 December 2015
Geneva, 22-29 April 2015
Geneva, 21 November 2014
Geneva, 9-16 July 2014
Geneva, 21 February 2014
Geneva, 14-20 November 2013
Kampala, 7-13 November 2013
Geneva, 21 June 2013
Geneva, 25 February - 1 March 2013
Geneva, 11-15 June 2012
Geneva, 17 February 2012
Geneva, 17-21 October 2011
Geneva, 13 May 2011
Geneva, 24-28 January 2011
Geneva, 10 September 2010
Geneva, 26-30 April 2010
Geneva, 28 January 2010
Mar del Plata, 2-10 September 2009
Geneva, 21 May 2009
Geneva, 19-23 January 2009
Geneva, 12 September 2008
Geneva, 5 September 2008
Seoul, 16-23 January 2008
Geneva, 21 September 2007
Geneva, 23-27 April 2007
Geneva, 3 November 2006
Geneva, 24-28 July 2006
Geneva, 23-27 January 2006
Type of action
Any
Action
Comment
Information
With title containing all these words
Full search in ITU-T LSs Database
Total found:
1811
Page Size:
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SG21-LS194
- [
https://www.itu.int/ifa/t/2025/ls/sg21/sp18-sg21-00194.docx
]
LS/r on lead study group concept and coordination mechanisms (TSAG-LS21)
Approved on 2026-07-17
in response to
TSAG-LS21
.
For action to:
All questions
For information to:
-
Deadline:
2027-04-01
Submitted as:
Not yet assigned to a TD
Meeting:
-
SG21-LS195
- [
https://www.itu.int/ifa/t/2025/ls/sg21/sp18-sg21-00195.docx
]
LS/r on a checklist for ITU-T deliverables (TSAG-LS20)
Approved on 2026-07-17
in response to
TSAG-LS20
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
Not yet assigned to a TD
Meeting:
-
SG21-LS197
- [
https://www.itu.int/ifa/t/2025/ls/sg21/sp18-sg21-00197.docx
]
LS/r on call for updates for pilot projects and reference table of ITU-T Recommendations suitable for C&I testing (SG11-LS63)
Approved on 2026-07-17
in response to
SG11-LS63
.
For action to:
All questions
For information to:
-
Deadline:
2027-04-01
Submitted as:
Not yet assigned to a TD
Meeting:
-
SG21-LS201
- [
https://www.itu.int/ifa/t/2025/ls/sg21/sp18-sg21-00201.docx
]
LS/r on coordination for Identity Management (SG17-LS108)
Approved on 2026-07-17
in response to
SG17-LS108
.
For action to:
-
For information to:
All questions
Deadline:
2027-04-01
Submitted as:
Not yet assigned to a TD
Meeting:
-
SG21-LS203
- [
https://www.itu.int/ifa/t/2025/ls/sg21/sp18-sg21-00203.docx
]
LS/r on CCT editorial comments on terms and definitions (SCV-LS111& SCV-LS118)
Approved on 2026-07-17
in response to
SCV-LS111
,
SCV-LS118
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
Not yet assigned to a TD
Meeting:
-
SG21-LS232
- [
https://www.itu.int/ifa/t/2025/ls/sg21/sp18-sg21-00232.docx
]
LS/r on new terms and definitions produced in SG21 (SG11-LS115)
Approved on 2026-07-17
in response to
SG11-LS115
.
For action to:
All questions
For information to:
-
Deadline:
-
Submitted as:
Not yet assigned to a TD
Meeting:
-
SG21-LS192
- [
https://www.itu.int/ifa/t/2025/ls/sg21/sp18-sg21-00192.docx
]
LS on ITU-T technical expert on H.870 and H.872 appointed by SG21
Approved on 2026-07-10
.
For action to:
-
For information to:
-
Deadline:
2026-07-24
Submitted as:
T25-SG11-260714-TD-GEN-1120
Meeting:
Geneva, 14-22 July 2026
SG21-LS192
- [
https://www.itu.int/ifa/t/2025/ls/sg21/sp18-sg21-00192.docx
]
LS on ITU-T technical expert on H.870 and H.872 appointed by SG21
Approved on 2026-07-10
.
For action to:
-
For information to:
-
Deadline:
2026-07-24
Submitted as:
Not yet assigned to a TD
Meeting:
-
SG15-LS103
- [
https://www.itu.int/ifa/t/2025/ls/sg15/sp18-sg15-00103.zip
]
LS/r on call for updates for pilot projects and reference table of ITU-T Recommendations suitable for C&I testing (reply to SG11-LS63)
Approved on 2026-07-10
in response to
SG11-LS63
.
For action to:
CASC
For information to:
-
Deadline:
-
Submitted as:
T25-SG11-260714-TD-GEN-1252
Meeting:
Geneva, 14-22 July 2026
SG13-LS211
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00211.zip
]
LS on initiation of new work item ITU-T YSTR.QKDN-UN “Integration modes of QKDN and user networks”
Approved on 2026-07-02
.
For action to:
-
For information to:
Q2/11
Deadline:
-
Submitted as:
T25-SG11-260714-TD-GEN-1119
Meeting:
Geneva, 14-22 July 2026
SG13-LS212
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00212.docx
]
LS/r on lead study group concept and coordination mechanisms (TSAG-LS21)
Approved on 2026-07-02
in response to
TSAG-LS21
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG11-260714-TD-GEN-1238
Meeting:
Geneva, 14-22 July 2026
SG13-LS213
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00213.zip
]
LS on initiation of draft new Recommendation on ITU-T Y.QN-LM “Quantum network – layered model”
Approved on 2026-07-02
.
For action to:
-
For information to:
Q2/11
Deadline:
-
Submitted as:
T25-SG11-260714-TD-GEN-1305
Meeting:
Geneva, 14-22 July 2026
SG13-LS214
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00214.docx
]
LS/r on AI agent related activities in ITU-T SG13 (ETSI ISG ZSM-ZSM (26)000070)
Approved on 2026-07-02
in response to
ETSI ISG ZSM-ZSM(26)000070
.
For action to:
-
For information to:
Q1/11; Q4/11; Q5/11; Q6/11; Q7/11
Deadline:
-
Submitted as:
T25-SG11-260714-TD-GEN-1306
Meeting:
Geneva, 14-22 July 2026
SG13-LS215
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00215.zip
]
LS on consent of draft new Recommendation ITU-T Y.3336 (ex Y.IMT2020-DDP) “Future networks including IMT-2020 - Requirements and framework of distributed data plane”
Approved on 2026-07-02
.
For action to:
-
For information to:
Q6/11; Q7/11; Q8/11
Deadline:
-
Submitted as:
T25-SG11-260714-TD-GEN-1307
Meeting:
Geneva, 14-22 July 2026
SG13-LS216
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00216.zip
]
LS on agreement of new Technical Report ITU-T YSTR.IMT2030-terms “IMT-2030 networks – Considerations on terms and definitions” and initiation of draft new Recommendation ITU-T Y.IMT2030-terms “IMT-2030 networks – Terms and definitions”
Approved on 2026-07-02
.
For action to:
-
For information to:
Q1/11; Q2/11; Q3/11; Q6/11
Deadline:
-
Submitted as:
T25-SG11-260714-TD-GEN-1308
Meeting:
Geneva, 14-22 July 2026
SG13-LS217
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00217.zip
]
LS on initiation of new Technical Reports ITU-T YSTR.UC-AINN “Use cases for AI native telecommunication networks” and ITU-T YSTR.PoC-AINN "AI Native Network Proof of Concepts"
Approved on 2026-07-02
.
For action to:
-
For information to:
Q1/11; Q4/11; Q5/11; Q6/11; Q7/11
Deadline:
-
Submitted as:
T25-SG11-260714-TD-GEN-1309
Meeting:
Geneva, 14-22 July 2026
SG13-LS218
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00218.zip
]
LS on initiation of draft new Recommendation ITU-T Y.NUEC-IA “Requirements and framework for network-UE collaboration based on intelligent awareness in IMT-2020 networks and beyond”
Approved on 2026-07-02
.
For action to:
-
For information to:
Q1/11; Q6/11
Deadline:
-
Submitted as:
T25-SG11-260714-TD-GEN-1328
Meeting:
Geneva, 14-22 July 2026
SG13-LS219
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00219.zip
]
LS on initiation of draft new Recommendation ITU-T Y.SDN-KMO “Functional architecture enhancement to software-defined networking for knowledge-driven management and orchestration”
Approved on 2026-07-02
.
For action to:
-
For information to:
Q4/11; Q5/11
Deadline:
-
Submitted as:
T25-SG11-260714-TD-GEN-1329
Meeting:
Geneva, 14-22 July 2026
SG13-LS220
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00220.zip
]
LS on agreement of new Technical Report ITU-T YSTR.ACN and initiation of draft new Recommendation ITU-T Y.ACN-req-fra on AI agent communication network
Approved on 2026-07-02
.
For action to:
-
For information to:
Q1/11; Q4/11; Q5/11; Q6/11; Q7/11
Deadline:
-
Submitted as:
T25-SG11-260714-TD-GEN-1330
Meeting:
Geneva, 14-22 July 2026
SG13-LS221
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00221.zip
]
LS on the consent of draft new Recommendation ITU-T Y.3330 (ex Y.MMC) “Requirements and framework for traffic flow coordination of multi-modality communication in IMT-2020 networks and beyond”
Approved on 2026-07-02
.
For action to:
-
For information to:
Q1/11; Q6/11
Deadline:
-
Submitted as:
T25-SG11-260714-TD-GEN-1331
Meeting:
Geneva, 14-22 July 2026
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