| Work item | Question | Equiv. Num. | Status | Timing | Approval process | Version | Liaison relationship | Subject / Title | Priority |
| A.1 | RG-WM | | Determined 2026-01-30 | 2026 | TAP | Rev. | - | Working methods for study groups of the ITU Telecommunication Standardization Sector | High |
| A.19 (ex A.RA, ex A.Suppl-RA) | RG-WM | | Determined 2026-01-30 | 2026 | TAP | New | - | Appointment and operations of registration authorities | Medium |
| Res.1 (Ed.16) (ex Res.1-rev) | RG-WM | | Under study | 2028 | - | Rev. | - | Rules of procedure of the ITU Telecommunication Standardization Sector | Low |
| E.101 | Q1/2 | | Under study | 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.RAA4Q.TSCA | Q1/2 | | Under study | 2027 | TAP | New | - | Registration Authority Anchor - a Governance Framework for Assignment and Cross-Border Sharing of Trust Anchor Certificate Information for Trusted Signalling Certification Authority | High |
| ESTR.DNO | Q1/2 | | Under study | 2027 | Agreement | New | - | Comprehensive Do-Not-Originate (DNO) | 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 | - | Agreement | Rev. | - | Number Portability | High |
| ESTR.Carrier-Switching | Q2/2 | | Under study | 2026 | Agreement | New | - | Technical report on the carrier switching of SIM and e-sims for enterprises in M2M/IoT | High |
| E.100 | Q3/2 | | Under study | 2028 | TAP | Rev. | - | Definitions in the area of telecom services | Medium |
| E.370.Suppl-ICT | Q3/2 | | Under study | 2028 | Agreement | Rev. | - | Supplement to E.370 for indoor coverage technologies | - |
| E.371 Supplement 1 | Q3/2 | | Under study | 2028 | Agreement | New | - | E.371 Supplement: 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 |
| ESTR.PCM | Q3/2 | | Under study | 2028 | Agreement | New | - | Permitted call masking | - |
