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� Home : ITU-T : Publications : Recommendations : I�Series : I.120
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I.120�:�Integrated services digital networks (ISDNs) �

Recommendation I.120

In force components
Number
 Title Status
I.120 (03/93)
� 		Integrated services digital networks (ISDNs) � In force
�
�
Superseded and Withdrawn components
Number
 Title Status
I.120 (11/88)
� 		Integrated services digital networks (ISDNs) � Superseded

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