Rationale: This project reviews and revises, where and when appropriate, the existing ITU-T numbering, naming, and addressing E-series Recommendations, e.g. E.164, E.168, E.169, E.191, E.193, E.212.

This project will ensure that these Recommendations are updated to reflect the current circumstances of the global telecommunications industry and regulatory environment. As an example, several recommendations will require modification if E.164 Regional Country Codes are to be assigned following the completion of the ETNS trial.

Rationale: This project studies the sometimes unique numbering and addressing requirements of the mobile sector of the telecommunications industry. These studies are periodically introduced by mobile service providers for timely resolution.

Current Inmarsat is consolidating its network and access arrangement into one E.164 Country Code - there are currently four such codes assigned to Inmarsat. The project is titled Single Network Access Code (SNAC) and the Q.1 question has an agreement with Inmarsat regarding the time schedule for this project and the resulting return of the four ocean zone country codes.

Rationale: Q.1 maintains the Recommendations regarding the administration of Universal International Freephone Numbers (UIFN), Universal International Premium Rate Numbers, Universal International Shared Cost Numbers and UPT scenario 3a, which are all administrated by the ITU-TSB, as the UIFN Registrar.

Under this project, the question will consult on an ongoing basis with the Registrar to resolve issues, relative to the above resources and any new resources created in the future, presented by the industry and the Registrar.

Rationale: E.164 Country Codes are a finite resource that will potentially exhaust within the foreseeable future. Q.1 has approved Recommendation E.193 that describes the steps to be taken to ensure the uninterrupted availability of Country Codes, including format expansion.

This project will track the use of Country Codes, coordinate the implementation of exhaust steps, and interact with other SGs to ensure that all global network components are prepared for the steps.

Rationale: When new global or regional services are developed and proposed for implementation, they often request/require global numbering resources. This project receives and determines such resource requests.

This question will receive, study, and resolve such anticipated requests. Previous examples of such requests include UPT, UIFS, USCS, GMSS, RMSS, ETNS, etc.

This project will develop, approve, and agree the criteria, in a new Recommendation. The development of the Recommendation has started.

Rationale: ITU Resolution 20 assigns the responsibility of ensuring the uniform administration of global numbering resources to this question. This project will complete a new Recommendation creating a centralized resource administrative group within the ITU-TSB and defining the responsibilities of this group.

This question will study and publish the new Recommendation and will be the consultative question for the ITU-TSB on all matters of global resource administration.

Rationale: This project will undertake to study the potential evolution of global numbering, naming, and addressing methodologies to accommodate current and anticipated future services, technologies, capabilities, and architectures.

A global understanding of these future methodologies and their evolution would be of significant value to telecommunications network operators, service providers, vendors, planners, forums, and standards bodies worldwide.

The new project would initially develop a uniformly acceptable definition for and understanding of numbering, naming, and addressing. Once the definitions are agreed, the project would then study and document the projected evolution of numbering, naming, addressing, and any other identified potential methodologies.

Rationale: Q.1 has agreed in principle that a shared E.164 Country Code should be allocated for the conduct of international non-commercial trials. This project will develop and publish the criteria and assignment guidelines for the Identification Codes within the assigned country code.

Q.1 will develop a new Recommendation for the criteria and guidelines.

Rationale: This project will study whether it is appropriate to develop and describe the procedures and criteria for the reservation, assignment, and reclamation of E.212 mobile country codes and associated Identification Code (IC) assignments. The criteria and procedures, if developed, will be the basis for the effective and efficient utilization of the available E.212 numbering resources.

If the study determines that procedures and criteria should be developed, the project will develop and publish a Recommendation containing the criteria and procedures for the reservation, assignment, and reclamation of E.212 mobile country codes for geographic areas and Global Networks.

Rationale: Convergence of the existing telecommunications networks, both fixed and wireless, with the IP address-based networks requires the development of naming, numbering, and addressing mechanisms to support interworking between the E.164 and IP address-based networks.

The objective of the project is to provide the immediate solutions for the interworking between the E.164 and IP address-based networks. The primary goal will be to determine what E.164 resources will be made available to IP address-based networks, how these resources will be used and administered, and the addressing schemes required to support this type of interconnection.

In addition, this project will consider the longer-term goal of convergence of the naming and addressing schemes used in international networks. The objective is a Recommendation(s) containing the results of the above work.

Rationale: The growth of new and existing services, as well as the quantity of network operators and service providers due to the evolution of competition in the telecommunications industry, has resulted in the introduction of numerous new geographic and non-geographic numbering resources domestically and internationally. In order for these resources to be activated effectively, new methods are required to increase awareness and implementation of the resources.

This project will study potential new awareness and implementation methods and, as a result of the study, will publish these methods in a new E-series Recommendation.

Create and develop criteria for allocation of routing addresses according to Recommendation E.353.

TETRA numbering resource

Create the necessary technical requirement for the introduction of number portability within the IP address-based networks.

Develop the necessary guidelines and procedures for propagation of information related to the introduction of new E.164 numbering series.

Rationale: A significant amount of Q.1 work throughout a study period is the result of new issues presented by Q.1 Collaborators. These issues typically resulted in numerous new projects defined and approved during the previous study periods.

Q.1 will continue to define, study, and resolve new issues through the approval of additional projects. The 1997-2000 study period had over 30 projects under study by Q.1.