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Q.767�:�Application of the ISDN User Part of CCITT signalling system No. 7 for international ISDN interconnections �

Recommendation Q.767

In force components
Number
 Title Status
Q.767 (02/91)
� 		Application of the ISDN User Part of CCITT signalling system No. 7 for international ISDN interconnections � In force
Q.767 (1991) Amendment 1 (12/02)
� 		Support for the International Emergency Preference Scheme � In force

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