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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, 23 June - 2 July 2026
Geneva, 27 February 2026
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:
42
Page Size:
10
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ETSI ISG ZSM-ZSM(26)000070
- [
https://www.itu.int/ifa/t/2025/ls/etsiisgzsm/sp18-etsiisgzsm-00020.docx
]
LS on ZSM work on Agent Architecture and Applications
Approved on 2026-04-27
.
For action to:
All questions
For information to:
-
Deadline:
-
Submitted as:
T25-SG13-260623-TD-GEN-0253
Meeting:
Geneva, 23 June - 2 July 2026
IETF-LS32
- [
https://www.itu.int/ifa/t/2025/ls/ietf/sp18-ietf-00032.docx
]
LS/r on LS on the work item related to QKD and TLS integration framework in SG13 (SG13-LS197)
Approved on 2026-04-23
in response to
SG13-LS197
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-260623-TD-WP4-0494
Meeting:
Geneva, 23 June - 2 July 2026
ITU-D Q1/1-Document 1/99(Rev.1)
- [
https://www.itu.int/ifa/t/2025/ls/itu-dq1_1/sp18-itu-dq1_1-00003.docx
]
LS on continuation of the valuable collaboration
Approved on 2026-04-22
.
For action to:
All questions; All questions
For information to:
-
Deadline:
-
Submitted as:
T25-SG13-260623-TD-GEN-0245
Meeting:
Geneva, 23 June - 2 July 2026
ITU-D Q3/1-Document 1/102
- [
https://www.itu.int/ifa/t/2025/ls/itu-dq3_1/sp18-itu-dq3_1-00007.docx
]
LS on request information about disaster resilience work items in telecommunication/ICT area
Approved on 2026-04-22
.
For action to:
All questions
For information to:
-
Deadline:
2026-09-27
Submitted as:
T25-SG13-260623-TD-GEN-0246
Meeting:
Geneva, 23 June - 2 July 2026
SG17-LS130
- [
https://www.itu.int/ifa/t/2025/ls/sg17/sp18-sg17-00130.zip
]
LS/r on the achievements on DLT security standardization during the ITU-T SG 17 Content Week (Geneva, 30 March - 1 April 2026) (reply to SG13-LS179, SG13-LS182)
Approved on 2026-04-02
in response to
SG13-LS179
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-260623-TD-GEN-0243
Meeting:
Geneva, 23 June - 2 July 2026
Broadband Forum-Liaise-750
- [
https://www.itu.int/ifa/t/2025/ls/broadbandforum/sp18-broadbandforum-00192.docx
]
LS on recently published Broadband Forum Work Items (March 2026)
Approved on 2026-03-27
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-260623-TD-GEN-0239
Meeting:
Geneva, 23 June - 2 July 2026
GSMA QNS-QNS_42_Doc_002
- [
https://www.itu.int/ifa/t/2025/ls/gsmaqns/sp18-gsmaqns-00001.docx
]
LS on the publication of IG.19 Quantum technology Telco Use cases
Approved on 2026-03-23
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-260623-TD-WP4-0487
Meeting:
Geneva, 23 June - 2 July 2026
SG21-LS173
- [
https://www.itu.int/ifa/t/2025/ls/sg21/sp18-sg21-00173.zip
]
LS/r on initiation of draft new Recommendation ITU-T Y.ICN-ARM “Information-centric networking – Requirements and functional framework enhancement to support avatar robot and metaverse services” (SG13-LS157)
Approved on 2026-03-20
in response to
SG13-LS157
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-260623-TD-WP3-0323
Meeting:
Geneva, 23 June - 2 July 2026
SG21-LS174
- [
https://www.itu.int/ifa/t/2025/ls/sg21/sp18-sg21-00174.zip
]
LS on new ITU-T Recommendation H.430.9 (ex H.ILE-FT) “An architectural framework for first-person transfer immersive live experience”
Approved on 2026-03-20
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-260623-TD-GEN-0240
Meeting:
Geneva, 23 June - 2 July 2026
SG21-LS176
- [
https://www.itu.int/ifa/t/2025/ls/sg21/sp18-sg21-00176.zip
]
LS on initiation of new work item H.ILE-SMIIS “Requirements and functional architecture of shared model based immersive interaction systems”
Approved on 2026-03-20
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-260623-TD-GEN-0241
Meeting:
Geneva, 23 June - 2 July 2026
SG21-LS179
- [
https://www.itu.int/ifa/t/2025/ls/sg21/sp18-sg21-00179.zip
]
LS on initiation of new work item ITU-T H.IPTV-SCRS "Application event handling: Functional requirements and architecture for smart IPTV content recommendation services"
Approved on 2026-03-20
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-260623-TD-GEN-0242
Meeting:
Geneva, 23 June - 2 July 2026
SG11-LS112
- [
https://www.itu.int/ifa/t/2025/ls/sg11/sp18-sg11-00112.zip
]
LS on the initiation of new work item Q.U2USM-sig "Signalling for the support of user equipment to user equipment session management in future networks including IMT-2020 networks"
Approved on 2026-03-11
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-260623-TD-GEN-0233
Meeting:
Geneva, 23 June - 2 July 2026
SG11-LS113
- [
https://www.itu.int/ifa/t/2025/ls/sg11/sp18-sg11-00113.zip
]
LS on initiation of new work item Q.MP-GenAI “Monitoring parameters of network supporting generative artificial intelligence services”
Approved on 2026-03-11
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-260623-TD-GEN-0234
Meeting:
Geneva, 23 June - 2 July 2026
SG11-LS114
- [
https://www.itu.int/ifa/t/2025/ls/sg11/sp18-sg11-00114.zip
]
LS on the initiation of new work item Q.MP-LLM-FN "Computing power resource measurement model and parameters for large language model inference in future networks"
Approved on 2026-03-11
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-260623-TD-GEN-0235
Meeting:
Geneva, 23 June - 2 July 2026
SG11-LS116
- [
https://www.itu.int/ifa/t/2025/ls/sg11/sp18-sg11-00116.zip
]
LS on the initiation of new work item Q.MD-CCIT “Cloud computing infrastructure testing for model development”
Approved on 2026-03-11
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-260623-TD-WP2-0222
Meeting:
Geneva, 23 June - 2 July 2026
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:
All questions
Deadline:
-
Submitted as:
T25-SG13-260623-TD-GEN-0238
Meeting:
Geneva, 23 June - 2 July 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:
All questions
Deadline:
2026-07-17
Submitted as:
T25-SG13-260623-TD-GEN-0236
Meeting:
Geneva, 23 June - 2 July 2026
SG11-LS111
- [
https://www.itu.int/ifa/t/2025/ls/sg11/sp18-sg11-00111.zip
]
LS on the initiation of new Technical Report QSTR.ACC “Signalling and protocol considerations on networking for AI-agent collaboration”
Approved on 2026-03-11
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-260623-TD-GEN-0237
Meeting:
Geneva, 23 June - 2 July 2026
SG11-LS121
- [
https://www.itu.int/ifa/t/2025/ls/sg11/sp18-sg11-00121.zip
]
LS on work progress on quantum key distribution network (QKDN) in SG11
Approved on 2026-03-11
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-260623-TD-WP4-0486
Meeting:
Geneva, 23 June - 2 July 2026
SG11-LS124
- [
https://www.itu.int/ifa/t/2025/ls/sg11/sp18-sg11-00124.zip
]
LS on the initiation of new work item QSTR-AI4CDD “Technical Report on AI-enabled behavioural detection framework for counterfeit ICT devices in operational networks”
Approved on 2026-03-11
.
For action to:
-
For information to:
All questions
Deadline:
-
Submitted as:
T25-SG13-260623-TD-WP1-0452
Meeting:
Geneva, 23 June - 2 July 2026
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