International Telecommunication Union � ITU
Fran�ais� Espa�ol
�
Site map Contact us Print version
� Home : ITU-T : Publications : Recommendations : Q�Series : Q.Sup4
Recently posted�-� Search Recommendations
� �
Q.Sup4�:�Number portability - Capability set 1 requirements for service provider portability (All call query and Onward routing) �

Recommendation Q.Sup4

In force components
Number
 Title Status
Q.Sup4 (05/98)
� 		Number portability - Capability set 1 requirements for service provider portability (All call query and Onward routing) � In force

�

Top�-� Feedback�-� Contact us�-� Copyright � ITU�2008�All Rights Reserved
Contact for this page :� ITU-T Publications
Updated :�2011.05.19		 �