| Work item | Question | Equiv. Num. | Status | Timing | Approval process | Version | Liaison relationship | Subject / Title | Priority |
| E.101 | Q1/2 | | Determined 2026-09-18 | 2027 | TAP | Rev. | - | Definitions of terms used for identifiers (names, numbers, addresses and other identifiers) for public telecommunication services and networks in the ITU-T Recommendations | Medium |
| E.118.1 | Q1/2 | | Under study | 2027 | TAP | Rev. | - | Allocation, assignment and management of global Issuer Identifier Numbers (IINs) | Medium |
| E.169 | Q1/2 | | Under study | 2029 | TAP | Rev. | - | Application of Recommendation E.164 Numbering plan for Universal International numbers for International Telecommunications services using Country Codes for Global Services | Low |
| E.195 | Q1/2 | | Under study | 2027 | TAP | Rev. | - | ITU-T International NNAI ressources Administration | Medium |
| E.1122 (ex E.RAA4Q.TSCA) | Q1/2 | | Determined 2026-09-18 | 2027 | TAP | New | - | A Registration Authority Anchor for the purposes of supporting secure signalling | High |
| ESTR.DNO | Q1/2 | | Under study | 2027 | Agreement | New | - | Comprehensive Do-Not-Originate (DNO) | Medium |
| ESTR.GOIINR | Q1/2 | | Under study | 2028-Q4 | Agreement | New | - | Technical Report on Guidelines for operational implementation of international numbering resources | Medium |
| ESTR.OTTnum | Q1/2 | | Under study | 2026 | Agreement | New | - | The Current Use of E.164 Numbers as Identifiers for OTTs | High |
| ESTR.OTTNumMgt | Q1/2 | | Under study | 2026 | Agreement | New | - | Technical Report on OTT numbering management | High |
| ESTR.UID-SIM-IMEI (ex ESTR.NIN-SIM-IMEI) | Q1/2 | | Under study | 2026 | Agreement | New | ITU-T Study Group, 11 ITU-T Study Group 20, GSMA | Technical Report on UID-SIM-IMEI Integration | Medium |
| E.164 Supplement 2 | Q2/2 | | Under study | 2028 | Agreement | Rev. | - | Number Portability | High |
| E.371 Supplement 1 | Q3/2 | | Under study | 2028 | Agreement | New | - | E.371 Supplement 1: Technologies and Methods for Preventing Negative Impacts Caused by Impermissible Traffic | Medium |
| E.ACP | Q3/2 | | Under study | 2028 | TAP | New | - | Alternative calling procedures | - |
| E.CLEC | Q3/2 | | Under study | 2028 | TAP | New | - | Provision of handset-derived caller location information for emergency communications | Medium |
| E.DRMMS | Q3/2 | | Under study | 2028 | TAP | New | - | Extended requirements for intelligent, inclusive, multi-source, multi-terminal disaster relief mobile message service | Medium |
| E.OTTdefinitions | Q3/2 | | Under study | 2028 | TAP | New | - | Definitions of terms used in OTT service provisioning | Medium |
| ESTR.PCM | Q3/2 | | Under study | 2028 | Agreement | New | - | Permitted call masking | - |
| ESTR.SPN | Q3/2 | | Under study | 2028 | Agreement | New | - | Spoofing using national number | - |
| ESTR_ES | Q3/2 | | Under study | 2028 | Agreement | New | - | Notification and management of service restrictions | Medium |
| M.3374 Supplement 1 | Q5/2 | | Under study | 2028-12 | AAP | New | - | Considerations for computing power network management (CPNM) supporting distributed model training and inference | Medium |