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P.501 : Test signals for use in telephonometry

Recommendation P.501 (01/12)

Approved in 2012-01-13

Status : Superseded

 

Table of Contents

 

Summary

The published text of this Recommendation includes the modifications introduced by ITU-T P.501 (2012) Amd.1 (07/2012).


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Updated : 2017-04-12