ITU M.660:1988
ITU M.660:1988 Periodical In-station Tests Of Echo Suppressors Complying With Recommendations G.161 And G.164
Table of Contents
1Testsandperiodicitiesappliedtovalve,rectifierandrelaytypeechosuppressors
2Testsandperiodicitiesapplicabletosemi-conductor
typeechosuppressors
3Testsandperiodicitiesapplicabletoecho
suppressorsconformingtoRecommendationG.164
References