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ITU-T E.164

The international public telecommunication numbering plan

active, Most Current
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Organization: ITU-T
Publication Date: 1 November 2010
Status: active
Page Count: 32
scope:

This Recommendation provides the number structure and functionality for the five categories of numbers used for international public telecommunication: geographic areas, global services, networks, groups of countries (GoC) and resources for trials. For each of the categories, it details the components of the numbering structure and the digit analysis required to successfully route the calls. Annex A provides additional information on the structure and function of international public telecommunication numbers (hereafter referred to as "international ITU-T E.164-numbers"). Annex B provides information on network identification, service parameters, calling/connected line identity, dialling procedures and addressing for geographic-based ISDN calls. Specific ITU-T E.164-based applications, which differ in usage, are defined in separate ITU-T Recommendations, e.g., [ITU-T E.168], Application of E.164 numbering plan for UPT.

Document History

June 1, 2020
The international Public Telecommunication numbering plan Supplement 2: Number portability
A description is not available for this item.
June 1, 2014
The international public telecommunication numbering plan Supplement 2: Number portability
A description is not available for this item.
March 1, 2012
The international public telecommunication numbering plan Supplement 2: Number portability
A description is not available for this item.
March 1, 2012
The international public telecommunication numbering plan Supplement 6: Guidelines for identifying and selecting globally harmonized numbers
A description is not available for this item.
June 1, 2011
The international public telecommunication numbering plan Amendment 1: Revised Annex A – Clarification and explanation of the structure and function of international ITU-T E.164-numbers
This Recommendation provides the number structure and functionality for the five categories of numbers used for international public telecommunication: geographic areas, global services, networks,...
ITU-T E.164
November 1, 2010
The international public telecommunication numbering plan
This Recommendation provides the number structure and functionality for the five categories of numbers used for international public telecommunication: geographic areas, global services, networks,...
November 1, 2009
The international public telecommunication numbering plan Supplement 5: Guidance with regard to the selection of numbers for helplines for children
A description is not available for this item.
November 1, 2009
The international public telecommunication numbering plan Supplement 4 – Operational and administrative issues associated with the implementation of ENUM for non-geographic country codes Amendment 1
A description is not available for this item.
November 1, 2009
The international public telecommunication numbering plan Supplement 2: Number portability
A description is not available for this item.
November 1, 2009
The international public telecommunication numbering plan Supplement 3 – Operational and administrative issues associated with national implementations of the ENUM functions Amendment 1
A description is not available for this item.
May 1, 2008
The international public telecommunication numbering plan Supplement 5 – Guidance with regard to the selection of numbers for helplines for children
A description is not available for this item.
February 1, 2005
The international public telecommunication numbering plan
A description is not available for this item.
May 1, 2004
The international public telecommunication numbering plan Supplement 3: Operational and administrative issues associated with national implementations of the ENUM functions SERIES E: OVERALL NETWORK OPERATION, TELEPHONE SERVICE, SERVICE OPERATION AND HUMAN FACTORS International operation – Numbering plan of the international telephone service
A description is not available for this item.
May 1, 2004
The international public telecommunication numbering plan Supplement 4: Operational and administrative issues associated with the implementation of ENUM for Non-geographic country codes SERIES E: OVERALL NETWORK OPERATION, TELEPHONE SERVICE, SERVICE OPERATION AND HUMAN FACTORS International operation – Numbering plan of the international telephone service
A description is not available for this item.
May 1, 2003
The international public telecommunication numbering plan Supplement 4: Operational and administrative issues associated with the implementation of ENUM for Non-geographic country codes SERIES E: OVERALL NETWORK OPERATION, TELEPHONE SERVICE, SERVICE OPERATION AND HUMAN FACTORS International operation – Numbering plan of the international telephone service
A description is not available for this item.
May 1, 2002
International Public Telecommunication Numbering Plan Supplement 3: Opertional and Administrative Issues Associated with National Implementations of the ENUM Funtions Series E: Overall Network Operation, Telephone Service, Service Operation and Human Factors International Operation - Numbering Plan of the International Telephone Service
A description is not available for this item.
November 1, 1998
The International Public Telecommunication Numbering Plan Supplement 2: Numbering Portability - Series E: Overall Network Operation, Telephone Service, Service Operation and Human Factors Operation, Numbering, Routing and Mobile Services - International Operation - Numbering Plan of the International Telephone Service
A description is not available for this item.
March 1, 1998
Alternatives for Carrier Selection and Network Identification - Series E: Overall Network Operation, Telephone Service, Service Operation and Human Factors - Operation, Numbering, Routing and Mobile Services - International Operation - Numbering Plan of the International Telephone Service
A description is not available for this item.
May 1, 1997
Designations for International Networks - Series M: TMN and International Public Telecommunication Numbering Plan - Series E: Overall Network Operation, Telephone Service, Service Operation and Human Factors Operation, Numbering, Routing and Mobile Services - International Operation - Numbering Plan of the International Telephone Service
A description is not available for this item.
January 1, 1991
Numbering Plan for the ISDN Era
A description is not available for this item.
January 1, 1989
Numbering Plan for the ISDN Era - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service
A description is not available for this item.

References

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