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� Home : ITU-T : Publications : Recommendations : I�Series : I.251.8
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I.251.8�:�Number identification supplementary services : Sub-addressing supplementary service �

Recommendation I.251.8

In force components
Number
 Title Status
I.251.8 (08/92)
� 		Number identification supplementary services : Sub-addressing supplementary service � In force
�
�
Superseded and Withdrawn components
Number
 Title Status
I.251.8 (11/88)
� 		Number identification supplementary services : Sub-addressing (SUB) � Superseded

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