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Q.920�:�ISDN user-network interface data link layer - General aspects �

Recommendation Q.920

This Recommendation is also included but not published in I series under alias number I.440
In force components
Number
 Title Status
Q.920 (03/93)
� 		ISDN user-network interface data link layer - General aspects �
This Recommendation is also included but not published in I series under alias number I.440 		In force
Q.920 (1993) Amendment 1 (06/00)
� 		� In force
�
�
Superseded and Withdrawn components
Number
 Title Status
Q.920/I.440 (11/88)
� 		ISDN user-network interface data link layer - General aspects �
This Recommendation is also included but not published in I series under alias number I.440 		Superseded

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