ITU G.122:1993
ITU G.122:1993 Influence Of National Systems On Stability Talker Echo In International Connections
Table of Contents
1Introduction2Loss(a-b)toavoidinstabilityduringset-up,
clear-downandchangesinaconnection
3Unweightedloss(a-b)onestablishedconnections
4Echoloss(a-b)onestablishedconnections
AnnexAMeasurementofstabilityloss(a-b)andecho
loss(a-b)
AnnexBExplanationoftermsassociatedwiththepath
a-t-b
B.1Returnloss
B.2Balancereturnloss
B.3Transmissionlossofthepatha-t-b
B.4Stabilityandecholosses
B.5Overallloudnessratingoftheechopath
(talkerecholoudnessrating,TELR)
B.6Summaryofusefulterms
References