LS | Title | From | To | Approval date |
SG17-LS190 | LS/r on initial draft ITU-T Study Group 17 REPORTs TO WTSA-20 - PART I – GENERAL (Annex 2 only), and Part II – QUESTIONS for the next study period (2021–2024) (reply to TSAG-LS20) | SG17 | TSAG; | 2019-09-05 |
TSAG-LS20 | LS on WTSA-20 preparations | TSAG | SG2; SG3; SG5; SG9; SG11; SG12; SG13; SG15; SG16; SG17; SG20; | 2019-04-11 |