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� Home : ITU-T : Publications : Recommendations : I�Series : I.530
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I.530�:�Network interworking between an ISDN and a public switched telephone network (PSTN) �

Recommendation I.530

In force components
Number
 Title Status
I.530 (03/93)
� 		Network interworking between an ISDN and a public switched telephone network (PSTN) � In force
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�
Superseded and Withdrawn components
Number
 Title Status
I.530 (11/88)
� 		Network interworking between an ISDN and a public switched telephone network (PSTN) � Superseded

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