| Work item | Question | Equiv. Num. | Status | Timing | Approval process | Version | Liaison relationship | Subject / Title | Priority |
| E.101 | Q1/2 | | Under study | - | 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 | Q1/2 | | Under study 2025-02-14 | - | TAP | Rev. | - | Numbering resources for Cards to identify accounts for charging telecommunication services | Medium |
| E.118.1 | Q1/2 | | Under study | - | TAP | Rev. | - | Allocation, assignment and management of global Issuer Identifier Numbers (IINs) | Medium |
| E.156 | Q1/2 | | Determined 2025-02-14 | - | TAP | Rev. | - | Guidelines for ITU-T action on reported misuse of ITU-T E.164 number resources | High |
| E.164 | Q1/2 | | Determined 2025-02-14 | - | TAP | Rev. | - | The international public telecommunication numbering plan | Medium |
| E.164.1 | Q1/2 | | Under study | 2025 | TAP | Rev. | - | Criteria and procedures for the reservation, assignment and reclamation of E.164 country codes and associated identification codes (ICs) | High |
| E.IoT-NNAI | Q1/2 | | Under study | 2025 | TAP | New | SG20, SG17, SG11 | Internet of Things Naming Numbering Addressing and Identifiers | High |
| E.RAA4Q.TSCA | Q1/2 | | Under study | 2025 | TAP | New | - | Registration authority assignment criteria to issue digital public certificates for use by Q.TSCA | High |
| TR.OTTnum | Q1/2 | | Under study | 2025 | Agreement | New | - | The Current Use of E.164 Numbers as Identifiers for OTTs | High |
| TR.OTTNumMgt | Q1/2 | | Under study | 2025 | Agreement | New | - | Technical Report on OTT numbering management | High |
