| LS | Title | From | To | Approval date |
| SG5-LS113 | LS/r on Invitation to update the information in the IMT2020 roadmap (reply to JCA-IMT2020-LS05) | SG5 | JCA-IMT2020; | 2019-05-22 |
| SG3-LS53 | LS/r on Invitation to update the information in the IMT2020 roadmap (reply to JCA-IMT2020-O-005) | SG3 | JCA-IMT2020; | 2019-05-02 |
| SG11-LS97 | LS/r on invitation to update the information in the IMT2020 roadmap (reply to JCA-IMT2020-LS05) | SG11 | JCA-IMT2020; | 2019-03-15 |
| SG2-LS97 | LS/r on Invitation to update the information in the IMT2020 roadmap (reply to JCA-IMT2020 - LS05) | SG2 | JCA-IMT2020; | 2019-02-28 |
| SG17-LS163 | LS/r on Invitation to update the information in the IMT2020 roadmap | SG17 | JCA-IMT2020; | 2019-01-30 |
| SG20-LS96 | LS/r to JCA-IMT2020 for answers on update information in the IMT2020 roadmap (reply to JCA-IMT2020 - LS05 -E) | SG20 | JCA-IMT2020; | 2018-12-13 |
| JCA-IMT2020-LS05 | LS on Invitation to update the information in the IMT2020 roadmap | JCA-IMT2020 | BROADBAND FORUM; ITU-D; ITU-R; TM Forum; MEF; TTA; IEEE 802.1; IEEE 802.3 Ethernet WG; 3GPP TSG RAN; ONF; oneM2M; ETSI ISG NFV; IETF SFC; IEEE 1914; SG2; SG3; SG5; SG9; SG11; SG12; SG13; SG15; SG16; SG17; SG20; TSDSI; SCF; OASIS Tosca; ETSI ISG MEC; ETSI MWT; ONAP; OSSDN; IETF DETNET; IETF DMM; 3GPPP CNT; 3GPP SSA; GSMA Network2020; | 2018-10-09 |
