| LS | Title | From | To | Approval date |
| EMTEL-EMTEL(24)000034r4 | LS/r on initiation of new work item ITU-T Q.IEM_arch_req “Reference architecture and signalling requirements for interactive emergency messaging through mobile network” (reply to SG11-LS173) | EMTEL | SG11; SG2; | 2024-07-17 |
| SG2-LS105 | LS/r on initiation of new work item ITU-T Q.IEM_arch_req “Reference architecture and signalling requirements for interactive emergency messaging through mobile network” and ITU-T Q.Req_Frame_RRDN, “Requirements and framework for rapid response to sudden natural disasters in network” (reply to SG11-LS173) | SG2 | EMTEL; 3GPP TSG SA1; GSMA; 3GPP TSG SA2; SG11; | 2024-06-28 |
| SG11-LS173 | LS on initiation of new work item ITU-T Q.IEM_arch_req “Reference architecture and signalling requirements for interactive emergency messaging through mobile network” | SG11 | EMTEL; 3GPP TSG SA1; GSMA; 3GPP TSG SA2; SG2; | 2024-05-10 |
