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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, 1-10 June 2026
E-Meeting, 9 April 2026
Geneva, 2 April 2026
E-Meeting, 6 February 2026
Geneva, 3-11 December 2025
Virtual Event, 10 October 2025
Virtual Event, 3-4 September 2025
Geneva, 8-17 April 2025
Geneva, 2-6 September 2024
E-Meeting, 11-12 July 2024
Geneva, 20 February - 1 March 2024
Goyang, 29 August - 8 September 2023
E-Meeting, 8 May 2023
Geneva, 21 February - 3 March 2023
Geneva, 23 August - 2 September 2022
E-Meeting, 10-20 May 2022
E-Meeting, 7 January 2022
E-Meeting, 24 August - 3 September 2021
E-Meeting, 20-30 April 2021
E-Meeting, 7 January 2021
E-Meeting, 24 August - 3 September 2020
E-Meeting, 29 May 2020
E-Meeting, 17-26 March 2020
Geneva, 27 August - 5 September 2019
Geneva, 22-30 January 2019
Geneva, 29 August - 7 September 2018
Geneva, 20-29 March 2018
Geneva, 29 August - 6 September 2017
Geneva, 22-30 March 2017
Geneva, 29 August - 7 September 2016
Geneva, 14-23 March 2016
Geneva, 8-17 September 2015
Geneva, 8-17 April 2015
Geneva, 17-26 September 2014
Geneva, 15-24 January 2014
Geneva, 26 August - 4 September 2013
Geneva, 17-26 April 2013
Geneva, 29 August - 7 September 2012
Geneva, 20 February - 2 March 2012
Geneva, 24 August - 2 September 2011
Geneva, 11-20 April 2011
Geneva, 8-17 December 2010
Geneva, 7-16 April 2010
Geneva, 16-25 September 2009
Geneva, 11-20 February 2009
Geneva, 15-19 September 2008
Geneva, 7-18 April 2008
Geneva, 10-14 December 2007
Geneva, 19-28 September 2007
Geneva, 20 April 2007
Geneva, 18-20 April 2007
Geneva, 16-20 April 2007
Geneva, 6-15 December 2006
Jeju Island, 19-28 April 2006
Geneva, 16-20 January 2006
Type of action
Any
Action
Comment
Information
With title containing all these words
Full search in ITU-T LSs Database
Total found:
70
Page Size:
10
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100
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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:
Q1/17
Deadline:
-
Submitted as:
T25-SG17-260402-TD-GEN-0406
Meeting:
Geneva, 2 April 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:
Q7/17
Deadline:
2026-07-17
Submitted as:
T25-SG17-260402-TD-GEN-0407
Meeting:
Geneva, 2 April 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:
Q7/17
Deadline:
-
Submitted as:
T25-SG17-260402-TD-GEN-0408
Meeting:
Geneva, 2 April 2026
SG11-LS119
- [
https://www.itu.int/ifa/t/2025/ls/sg11/sp18-sg11-00119.docx
]
LS/r on Coordination for Identity Management (reply to SG17-LS108)
Approved on 2026-03-11
in response to
SG17-LS108
.
For action to:
-
For information to:
Q10/17
Deadline:
-
Submitted as:
T25-SG17-260402-TD-GEN-0409
Meeting:
Geneva, 2 April 2026
SG11-LS120
- [
https://www.itu.int/ifa/t/2025/ls/sg11/sp18-sg11-00120.zip
]
LS on the revised Technical Report ITU-T QSTR-USSD-rev
Approved on 2026-03-11
.
For action to:
-
For information to:
Q11/17
Deadline:
-
Submitted as:
T25-SG17-260402-TD-GEN-0410
Meeting:
Geneva, 2 April 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:
Q15/17
Deadline:
-
Submitted as:
T25-SG17-260402-TD-GEN-0411
Meeting:
Geneva, 2 April 2026
SG11-LS123
- [
https://www.itu.int/ifa/t/2025/ls/sg11/sp18-sg11-00123.docx
]
LS/r on request to update security contacts and to provide information on security-related Recommendations or other texts under development (reply to SG17-LS65)
Approved on 2026-03-11
in response to
SG17-LS65
.
For action to:
-
For information to:
Q1/17
Deadline:
-
Submitted as:
T25-SG17-260402-TD-GEN-0412
Meeting:
Geneva, 2 April 2026
SG11-LS118
- [
https://www.itu.int/ifa/t/2025/ls/sg11/sp18-sg11-00118.zip
]
LS on initiation of two new work items Q.CSSIWF and Q.SSP4SIP
Approved on 2026-03-11
.
For action to:
-
For information to:
Q11/17
Deadline:
-
Submitted as:
T25-SG17-260402-TD-GEN-0413
Meeting:
Geneva, 2 April 2026
SG13-LS160
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00160.zip
]
LS on initiation of draft new Technical Report ITU-T YSTR.FMSC-AI “Fixed, mobile and satellite convergence – Considerations on AI for IMT-2020 networks and beyond”
Approved on 2026-02-27
.
For action to:
-
For information to:
Q2/17
Deadline:
2026-08-31
Submitted as:
T25-SG17-260402-TD-GEN-0376
Meeting:
Geneva, 2 April 2026
SG13-LS161
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00161.zip
]
LS on consent of draft new Recommendation ITU-T Y.3193 (ex Y.IMT2020-DIC) “Distributed intelligence collaboration for IMT-2020 and beyond”
Approved on 2026-02-27
.
For action to:
-
For information to:
Q2/17
Deadline:
-
Submitted as:
T25-SG17-260402-TD-GEN-0377
Meeting:
Geneva, 2 April 2026
SG13-LS162
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00162.zip
]
LS on initiation of draft new Recommendation ITU-T Y.ISAC-req-fra “Requirements and framework of integrated sensing and communication in IMT-2020 networks and beyond”
Approved on 2026-02-27
.
For action to:
-
For information to:
Q2/17
Deadline:
-
Submitted as:
T25-SG17-260402-TD-GEN-0378
Meeting:
Geneva, 2 April 2026
SG13-LS163
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00163.zip
]
LS on initiation of new work item ITU-T Y.OAMTI “Orchestration for AI model training and inference in IMT-2020 networks and beyond”
Approved on 2026-02-27
.
For action to:
-
For information to:
Q2/17
Deadline:
-
Submitted as:
T25-SG17-260402-TD-GEN-0379
Meeting:
Geneva, 2 April 2026
SG13-LS164
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00164.zip
]
LS on consent of draft new Recommendation ITU-T Y.3227 (ex Y.FMSC-MPTC) “Fixed, mobile and satellite convergence – Multi-path transmission control for IMT-2020 networks and beyond”
Approved on 2026-02-27
.
For action to:
-
For information to:
Q2/17
Deadline:
2026-08-31
Submitted as:
T25-SG17-260402-TD-GEN-0380
Meeting:
Geneva, 2 April 2026
SG13-LS165
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00165.zip
]
LS on consent of draft new Recommendation ITU-T Y.3228 (ex Y.FMSC-DN) “Fixed, mobile and satellite convergence – Dedicated networks for IMT-2020 networks and beyond”
Approved on 2026-02-27
.
For action to:
-
For information to:
Q2/17
Deadline:
2026-08-31
Submitted as:
T25-SG17-260402-TD-GEN-0381
Meeting:
Geneva, 2 April 2026
SG13-LS166
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00166.zip
]
LS on consent of draft new Recommendation ITU-T Y.3229 (ex Y.FMSC-IUSU-arch) “Fixed, mobile and satellite convergence – Enhanced architecture for IMT-2020 networks and beyond in support of integrated user-centric service units”
Approved on 2026-02-27
.
For action to:
-
For information to:
Q2/17
Deadline:
2026-08-31
Submitted as:
T25-SG17-260402-TD-GEN-0382
Meeting:
Geneva, 2 April 2026
SG13-LS167
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00167.zip
]
LS on initiation of draft new Recommendation ITU-T Y.FMSC-UPE “Fixed, mobile and satellite convergence – User plane enhancement for IMT-2020 networks and beyond”
Approved on 2026-02-27
.
For action to:
-
For information to:
Q2/17
Deadline:
2026-08-31
Submitted as:
T25-SG17-260402-TD-GEN-0383
Meeting:
Geneva, 2 April 2026
SG13-LS168
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00168.zip
]
LS on initiation of draft new Recommendation ITU-T Y.FMSC-IN “Fixed, mobile and satellite convergence – Isolated network for IMT-2020 networks and beyond”
Approved on 2026-02-27
.
For action to:
-
For information to:
Q2/17
Deadline:
2026-08-31
Submitted as:
T25-SG17-260402-TD-GEN-0384
Meeting:
Geneva, 2 April 2026
SG13-LS169
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00169.zip
]
LS on initiation of draft new Recommendation ITU-T Y.FMSC-EI “Fixed, mobile and satellite convergence – Edge intelligence for IMT-2020 networks and beyond”
Approved on 2026-02-27
.
For action to:
-
For information to:
Q2/17
Deadline:
2026-08-31
Submitted as:
T25-SG17-260402-TD-GEN-0385
Meeting:
Geneva, 2 April 2026
SG13-LS170
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00170.zip
]
LS on consent of draft new Recommendation ITU-T Y.3541 (ex Y.ecs-reqts) "Edge computing - Functional requirements of edge computing service"
Approved on 2026-02-27
.
For action to:
-
For information to:
Q8/17
Deadline:
-
Submitted as:
T25-SG17-260402-TD-GEN-0386
Meeting:
Geneva, 2 April 2026
SG13-LS171
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00171.zip
]
LS on consent of draft new Recommendation ITU-T Y.3534 (ex Y.FaaS-reqts) “Cloud computing - Functional requirements of function as a service”
Approved on 2026-02-27
.
For action to:
-
For information to:
Q8/17
Deadline:
-
Submitted as:
T25-SG17-260402-TD-GEN-0387
Meeting:
Geneva, 2 April 2026
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