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� Home : ITU-T : Publications : Recommendations : Q�Series : Q.83.1
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Q.83.1�:�Stage 2 description for call completion supplementary services : Call waiting (CW) �

Recommendation Q.83.1

Published with ITU-T Q.83.4.
In force components
Number
 Title Status
Q.83.1 (09/91)
� 		Stage 2 description for call completion supplementary services : Call waiting (CW) �
Published with ITU-T Q.83.4 		In force
�
�
Superseded and Withdrawn components
Number
 Title Status
Q.83.1 (11/88)
� 		Stage 2 description for call completion supplementary services : Call waiting (CW) � Superseded

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