| LS | Title | From | To | Approval date |
| ITU-R WP 4B-/TEMP/41 | LS/r on information on various components of the new Recommendations related to FMSC “Fixed, Mobile and Satellite Convergence” (SG13-LS160, SG13-LS164, SG13-LS165, SG13-LS166, SG13-LS167, SG13-LS168, SG13-LS168, SG13-LS169) | ITU-R WP 4B | SG13; | 2026-03-06 |
| SG13-LS160 | 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” | SG13 | ITU-R WP 5D; ITU-R WP 4B; SG2; SG21; SG11; SG15; SG17; | 2026-02-27 |
| SG13-LS164 | 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” | SG13 | ITU-R WP 5D; ITU-R WP 4B; SG2; SG11; SG15; SG17; | 2026-02-27 |
| SG13-LS165 | 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” | SG13 | ITU-R WP 5D; ITU-R WP 4B; SG2; SG11; SG15; SG17; | 2026-02-27 |
| SG13-LS166 | 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” | SG13 | ITU-R WP 5D; ITU-R WP 4B; SG2; SG11; SG15; SG17; | 2026-02-27 |
| SG13-LS167 | 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” | SG13 | 3GPP TSG SA1; ITU-R WP 5D; ITU-R WP 4B; SG11; SG17; | 2026-02-27 |
| SG13-LS168 | 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” | SG13 | ITU-R WP 5D; ITU-R WP 4B; SG11; SG17; | 2026-02-27 |
| SG13-LS169 | 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” | SG13 | ITU-R WP 5D; ITU-R WP 4B; SG11; SG15; SG17; | 2026-02-27 |