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[2009-2012] : [SG2] : [Q1/2]

[Declared patent(s)]  - [Publication]

Work item: E.164.Suppl.2
Subject/title: Number Portability
Status: Agreed on 2012-03-29 
Approval process: Agreement
Type of work item: Supplement
Version: Rev.
Equivalent number: -
Timing: -
Liaison: -
Supporting members: -
Summary: Supplement 2 to Recommendation ITU-T E.164 defines standard terminology for a common understanding of the different aspects of number portability within an E.164 numbering scheme. It identifies numbering and addressing formats, call flows, network architectures and routing approaches that will provide alternative methods of implementation. It also proposes some examples of the administrative and operational processes required for the successful implementation of number portability.
Comment: -
Reference(s):
[TD 298 (PLEN/2)]
  Historic references:
[TD 247 Rev.1 (PLEN/2)]
Contact(s):
Koji Isshiki, Editor
ITU-T A.5 justification(s):
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First registration in the WP: 2011-06-14 16:43:29
Last update: 2012-12-06 18:28:59