| LS | Title | From | To | Approval date |
| Broadband Forum-LIAISE-744 | LS/r on Broadband Forum inputs to the ITU-T SG15 GSTR.NCUS10G Technical Report (reply to SG15-LS54) | Broadband Forum | SG15; | 2026-04-27 |
| SG15-LS54 | LS/r on the technical report of use cases and requirements beyond 10Gbps (reply to ETSI ISG F5G-LS30) | SG15 | Broadband Forum; IEEE 802; ETSI ISG F5G; | 2025-10-24 |
| ETSI ISG F5G-LS30 | LS on on endorsing the technical report on Network Characteristic and Use Cases | ETSI ISG F5G | SG15; | 2025-09-04 |
