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Q.850�:�Usage of cause and location in the Digital Subscriber Signalling System No. 1 and the Signalling System No. 7 ISDN user part �

Recommendation Q.850

In force components
Number
 Title Status
Q.850 (10/18)
� 		Usage of cause and location in the Digital Subscriber Signalling System No. 1 and the Signalling System No. 7 ISDN user part � In force
Q.850 (2018) Amendment 1 (04/19)
� 		� In force
�
�
Superseded and Withdrawn components
Number
 Title Status
Q.850 (03/93)
� 		Use of cause and location in the digital subscriber Signalling System No. 1 and the Signalling System No. 7 ISDN user part � Superseded
Q.850 (05/98)
� 		Usage of cause and location in the Digital Subscriber Signalling System No. 1 and the Signalling System No. 7 ISDN user part � Superseded
Q.850 Addendum 1 (06/00)
� 		� Superseded
Q.850 (1998) Amendment 1 (07/01)
� 		�
 		Superseded

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Updated :�2019-07-11		 �