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� Home : ITU-T : Publications : Recommendations : Q�Series : Q.83.4 : Q.83.4 (09/91)
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Q.83.4�:�Stage 2 description for call completion supplementary services : Terminal portability �

Recommendation Q.83.4 (09/91)

Approved in 1991-09-10

Status : In force

Published with ITU-T Q.83.1
No Document currently available

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