Q.11bis�:�Numbering plan for the ISDN era

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Q.11bis�:�Numbering plan for the ISDN era �

Recommendation Q.11bis

Q.11 bis was an alias name of ITU-T E.164. Only this alias name was suppressed. ITU-T E.164 remains valid

In force components
Number	Title	Status
E.164 (11/10) �	The international public telecommunication numbering plan �	In force
E.164 (2010) Amd. 1 (06/11) �	Revised Annex A: Clarification and explanation of the structure and function of international ITU-T E.164-numbers �	In force (prepublished)
E.164 Supplement 2 (11/09) �	Number portability �	In force
E.164 Supplement 3 Amendment 1 (11/09) �	�	In force
E.164 Supplement 4 Amendment 1 (11/09) �	�	In force
E.164 Supplement 5 (11/09) �	Guidance with regard to the selection of numbers for helplines for children �	In force
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Superseded and Withdrawn components
Number	Title	Status
E.164/I.331/Q.11bis (11/88) �	Numbering plan for the ISDN era � This Recommendation is also included but not published in I series under alias number I.331	Superseded
Q.11bis (08/91) �	Numbering plan for the ISDN era � Q.11 bis was an alias name of ITU-T E.164. Only this alias name was suppressed. ITU-T E.164 remains valid	Withdrawn
E.164/I.331/Q.11bis (08/91) �	Numbering plan for the ISDN era � This Recommendation is also included but not published in I series under alias number I.331. It replaces former E.163 numbering plan	Superseded
E.164 Supplement 5 (05/08) �	Guidance with regard to the selection of numbers for helplines for children �	Superseded

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