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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, 6-17 October 2025
Geneva, 4 July 2025
Geneva, 13-24 January 2025
Type of action
Any
Action
Comment
Information
With title containing all these words
Full search in ITU-T LSs Database
Total found:
129
Page Size:
10
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SG12-LS14
- [
https://www.itu.int/ifa/t/2025/ls/sg12/sp18-sg12-00014.docx
]
LS/r on accurate dosimetry of sound dosage (reply to SG21-LS14)
Approved on 2025-09-18
in response to
SG21-LS14
.
For action to:
Q2/21
For information to:
-
Deadline:
-
Submitted as:
T25-SG21-251006-TD-GEN-0255
Meeting:
Geneva, 6-17 October 2025
SG12-LS11
- [
https://www.itu.int/ifa/t/2025/ls/sg12/sp18-sg12-00011.zip
]
LS on new consented Recommendation ITU-T P.1321 “Interactive test methods for subjective assessment of extended reality communications”
Approved on 2025-09-18
.
For action to:
-
For information to:
Q8/21; Q19/21
Deadline:
-
Submitted as:
T25-SG21-251006-TD-GEN-0256
Meeting:
Geneva, 6-17 October 2025
FG-AINN-LS3
- [
https://www.itu.int/ifa/t/2025/ls/fg-ainn/sp18-fg-ainn-00003.docx
]
LS on information and call for contributions to the new Focus Group on Artificial Intelligence Native for Telecommunication Networks (FG-AINN)
Approved on 2025-09-10
.
For action to:
All questions
For information to:
-
Deadline:
-
Submitted as:
T25-SG21-251006-TD-GEN-0254
Meeting:
Geneva, 6-17 October 2025
SG2-LS46
- [
https://www.itu.int/ifa/t/2025/ls/sg2/sp18-sg2-00046.zip
]
LS on the consent of Recommendation ITU-T M.3351.2 (ex. M.ptomkgc) and initiation of a new work item ITU-T M.kfr-KMTOM in Q6/2
Approved on 2025-09-05
.
For action to:
-
For information to:
Q5/21; Q7/21; Q10/21; Q20/21; Q21/21
Deadline:
-
Submitted as:
T25-SG21-251006-TD-GEN-0253
Meeting:
Geneva, 6-17 October 2025
SG2-LS51
- [
https://www.itu.int/ifa/t/2025/ls/sg2/sp18-sg2-00051.zip
]
LS on the consent of Recommendation M.3080 Amd1 "Amendment 1 to Recommendation ITU-T M.3080, Additions and corrections based on telecommunication network large model (TNLM)"
Approved on 2025-09-05
.
For action to:
-
For information to:
Q5/21; Q7/21; Q10/21; Q20/21; Q21/21
Deadline:
-
Submitted as:
T25-SG21-251006-TD-GEN-0252
Meeting:
Geneva, 6-17 October 2025
SG2-LS53
- [
https://www.itu.int/ifa/t/2025/ls/sg2/sp18-sg2-00053.zip
]
LS on initiation of a new work item on M.AIco-AITOM: Requirements of AI capability orchestration within AITOM in Q6/2
Approved on 2025-09-05
.
For action to:
-
For information to:
Q5/21; Q7/21; Q10/21; Q20/21; Q21/21
Deadline:
-
Submitted as:
T25-SG21-251006-TD-GEN-0251
Meeting:
Geneva, 6-17 October 2025
SG2-LS69
- [
https://www.itu.int/ifa/t/2025/ls/sg2/sp18-sg2-00069.docx
]
LS on SCV activity in SG2
Approved on 2025-09-05
.
For action to:
Q0/21
For information to:
-
Deadline:
-
Submitted as:
T25-SG21-251006-TD-GEN-0257
Meeting:
Geneva, 6-17 October 2025
SCV-LS52
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-00052.docx
]
LS on validated terms and definitions developed by ITU-T Study Group 21 (5 August 2025)
Approved on 2025-08-05
.
For action to:
Q0/21; Q3/21; Q5/21; Q9/21
For information to:
-
Deadline:
-
Submitted as:
T25-SG21-251006-TD-GEN-0249
Meeting:
Geneva, 6-17 October 2025
SCV-LS55
- [
https://www.itu.int/ifa/t/2025/ls/scv/sp18-scv-00055.docx
]
LS/r on consent of draft Recommendation ITU-T Y.2500 and agreement on Supplement 90 to ITU-T Y.2500-series (reply to SG13-LS53)
Approved on 2025-08-05
in response to
SG13-LS53
.
For action to:
-
For information to:
Q0/21; Q5/21; Q18/21; Q19/21
Deadline:
-
Submitted as:
T25-SG21-251006-TD-GEN-0250
Meeting:
Geneva, 6-17 October 2025
SG13-LS61
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00061.zip
]
LS on consent of draft new Recommendation ITU-T Y.3701 (ex Y.cdp-reqts) “Data handling – Functional requirements of collaborative data processing in data platforms”
Approved on 2025-07-25
.
For action to:
-
For information to:
Q9/21; Q19/21
Deadline:
-
Submitted as:
T25-SG21-251006-TD-GEN-0239
Meeting:
Geneva, 6-17 October 2025
SG13-LS62
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00062.zip
]
LS on consent of draft new Recommendation ITU-T Y.3166 (ex Y.U2USM-req-fra) “Future networks including IMT-2020 network - Requirements and framework for the support of UE-to-UE session management”
Approved on 2025-07-25
.
For action to:
-
For information to:
Q0/21
Deadline:
-
Submitted as:
T25-SG21-251006-TD-GEN-0240
Meeting:
Geneva, 6-17 October 2025
SG13-LS63
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00063.zip
]
LS on Terms of Reference of Correspondence group with SG21 on cloud computing coordination
Approved on 2025-07-25
.
For action to:
Q0/21; Q5/21; Q18/21
For information to:
-
Deadline:
2025-10-23
Submitted as:
T25-SG21-251006-TD-GEN-0241
Meeting:
Geneva, 6-17 October 2025
SG13-LS66
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00066.zip
]
LS on consent of draft new Recommendation ITU-T Y.3165 (ex Y.CCO-req) “Requirements of orchestration supporting confidential computing for network slices in IMT-2020 networks and beyond”
Approved on 2025-07-25
.
For action to:
-
For information to:
Q0/21
Deadline:
-
Submitted as:
T25-SG21-251006-TD-GEN-0242
Meeting:
Geneva, 6-17 October 2025
SG13-LS67
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00067.zip
]
LS on initiation of new work item ITU-T Y.MLPaaS-reqts “Cloud computing – Functional requirements of PaaS for machine learning applications"
Approved on 2025-07-25
.
For action to:
-
For information to:
Q0/21; Q5/21; Q18/21; Q19/21
Deadline:
-
Submitted as:
T25-SG21-251006-TD-GEN-0243
Meeting:
Geneva, 6-17 October 2025
SG13-LS68
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00068.zip
]
LS on initiation of draft new Recommendation ITU-T Y.smad “Service model for managing product forecasting and automating of smartfarm data based on AI in future network”
Approved on 2025-07-25
.
For action to:
-
For information to:
Q5/21; Q7/21
Deadline:
-
Submitted as:
T25-SG21-251006-TD-GEN-0244
Meeting:
Geneva, 6-17 October 2025
SG13-LS91
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00091.zip
]
LS on initiation of new work item ITU-T Y.trust-MVInf-fr “Framework of a trustworthy metaverse infrastructure”
Approved on 2025-07-25
.
For action to:
-
For information to:
AHG-MV; Q9/21
Deadline:
-
Submitted as:
T25-SG21-251006-TD-GEN-0246
Meeting:
Geneva, 6-17 October 2025
SG13-LS96
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00096.zip
]
LS on initiation of new work item ITU-T Y.NGNe-SAN-arch “Functional requirements and architecture of next generation network evolution (NGNe) to support service aware network”
Approved on 2025-07-25
.
For action to:
-
For information to:
Q0/21
Deadline:
-
Submitted as:
T25-SG21-251006-TD-GEN-0247
Meeting:
Geneva, 6-17 October 2025
SG13-LS97
- [
https://www.itu.int/ifa/t/2025/ls/sg13/sp18-sg13-00097.zip
]
LS on initiation of new work item ITU-T Y.NICE-ANMT "Framework of network intelligence capability enhancement (NICE) for access network to support model training"
Approved on 2025-07-25
.
For action to:
-
For information to:
Q5/21
Deadline:
-
Submitted as:
T25-SG21-251006-TD-GEN-0248
Meeting:
Geneva, 6-17 October 2025
JCA-AI/ML-LS13
- [
https://www.itu.int/ifa/t/2025/ls/jca-ai_ml/sp18-jca-ai_ml-00013.docx
]
LS on Invitation to nominate the representative to the ITU-T JCA-AI/ML
Approved on 2025-07-18
.
For action to:
Q0/21; Q5/21
For information to:
-
Deadline:
2026-01-30
Submitted as:
T25-SG21-251006-TD-GEN-0237
Meeting:
Geneva, 6-17 October 2025
JCA-IMT2020-LS17
- [
https://www.itu.int/ifa/t/2025/ls/jca-imt2020/sp18-jca-imt2020-00017.docx
]
LS on Invitation to update the information in the IMT-2020 and beyond roadmap
Approved on 2025-07-16
.
For action to:
Q0/21; Q5/21; Q9/21; Q10/21; Q21/21
For information to:
-
Deadline:
2025-10-16
Submitted as:
T25-SG21-251006-TD-GEN-0238
Meeting:
Geneva, 6-17 October 2025
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