| LS | Title | From | To | Approval date |
| BROADBAND FORUM-LS125 | Combined Response to "For Information" ITU-T Study Group 15 Liaisons LS-108, LS-115, LS-119 and
LS-122 | BROADBAND FORUM | SG15; | 2018-09-13 |
| SG15-LS122 | LS/r on transport network management to support 3GPP 5G (reply to 3GPP TSG SA5 – ols12-182369) | SG15 | 3GPP TSG SA4; BROADBAND FORUM; ONF; ETSI ISG NFV; ETSI ISG ZSM; | 2018-05-18 |
| 3GPP TSG SA5-LS12-182369 | LS on Transport network management to support 3GPP 5G | 3GPP TSG SA5 | Q12/15; Q14/15; | 2018-04-13 |
| SG15-LS119 | Response on transport network support of network slicing management (reply to 3GPP TSG SA - Tdoc S5-181456 -E) | SG15 | 3GPP TSG SA5; BROADBAND FORUM; ETSI ISG NFV; ETSI ISG ZSM; | 2018-03-29 |
| SG15-LS108 | LS on initiation of approval process for G.8013/Y.1731 (2015) Corrigendum 1, revised G.8021/Y.1341, and new G.8023 | SG15 | BROADBAND FORUM; Mplify Alliance; IEEE 802.1; IEEE 802.3; IETF CCAMP Working Group; OIF; | 2018-02-09 |
| SG15-LS113 | LS on transport network management to support 3GPP 5G | SG15 | 3GPP TSG SA5; Mplify Alliance; | 2018-02-09 |
| SG15-LS115 | LS/r Initiation of work to support IMT-2020/5G in the Transport Network (rely to SG15-LS40) | SG15 | 3GPP TSG RAN; 3GPP TSG SA; BROADBAND FORUM; Mplify Alliance; NGMN Alliance; SG13; | 2018-02-09 |
