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� Home : ITU-T : Publications : Recommendations : D�Series : D.201
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D.201�:�General principles regarding call-back practices �

Recommendation D.201

In force components
Number
 Title Status
D.201 (12/02)
� 		General principles regarding call-back practices � In force
�
�
Superseded and Withdrawn components
Number
 Title Status
D.201 (04/00)
� 		General principles regarding call-back practices � Superseded

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