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� Home : ITU-T : Publications : Recommendations : Q�Series : Q.953.1
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Q.953.1�:�Stage 3 description for call completion supplementary services using DSS 1 : Call waiting �

Recommendation Q.953.1

In force components
Number
 Title Status
Q.953.1 (02/92)
� 		Stage 3 description for call completion supplementary services using DSS 1 : Call waiting � In force

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