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� Home : ITU-T : Publications : Recommendations : I�Series : I.255.1
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I.255.1�:�Community of interest supplementary services : Closed User Group �

Recommendation I.255.1

In force components
Number
 Title Status
I.255.1 (08/92)
� 		Community of interest supplementary services : Closed User Group � In force
�
�
Superseded and Withdrawn components
Number
 Title Status
I.255.1 (11/88)
� 		Community of interest supplementary services : Closed User Group (CUG) � Superseded

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