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Q.2730�:�Signalling system No. 7 B-ISDN user part (B-ISUP) - Supplementary services �

Recommendation Q.2730

In force components
Number
 Title Status
Q.2730 (12/99)
� 		Signalling system No. 7 B-ISDN user part (B-ISUP) - Supplementary services � In force
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�
Superseded and Withdrawn components
Number
 Title Status
Q.2730 (02/95)
� 		Signalling System No. 7 B-ISDN User Part (B-ISUP) - Supplementary services � Superseded

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