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� Home : ITU-T : Publications : Recommendations : O�Series : O.Sup3.7 : O.supp3.7 (11/88)
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O.Sup3.7�:�A measuring signal (multitone test signal) for fast measurement of amplitude and phase for telephone type circuits �

Recommendation O.supp3.7 (11/88)

Approved in 1988-11-01

Status : Withdrawn

This Supplement was renumbered as ITU-T Rec. O.81 Appendix I (06/98) without further modification
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