Table of Contents
1Scope
2References
3Abbreviations
4Definitions
4.1Privatenetwork
4.2Publicnetwork
4.3Qualityaspects
4.4IPbasednetwork
4.5Networkelements
4.6Typesofconnections
5Referenceconfigurations
6Basicplanningprinciple-theimpairmentfactor
methodinconjunctionwiththeE-model
7Parameterssubjecttoplanningandtheirlimits
7.1OverallLoudnessRating
7.2Echo
7.3Transmissiontimeinecho-freeconnections
7.4Stability
7.5Quantizationdistortionunits
7.6Equipmentimpairmentfactor
7.7Delayvariationversustime
7.8AdvantagefactorA
7.9Limitsatthepublic/privateinterfacewith
respecttoecho
7.10Parametersnotdirectlysubjecttotransmission
planning
7.11Synchronization
8Calculationofend-to-endparameters
8.1Overallloudnessrating
8.2Talkerecho
8.3Transmissionstimeinechofreeconnections
8.4Quantizationdistortionunits
8.5Equipmentimpairmentfactor
8.6Equipmentimpairmentfactorforcodecsunder
conditionsofpacketloss
8.7Delayvariationversustime
9ApplicationoftheE-Modelinplanningpractice
9.1General
9.2Referenceconfigurations
9.3Handlingoftheinputparameters
9.4Interpretationoftheresults
9.5ApplicationoftheE-Modelforconfigurations
withtwoechopaths
9.6Useofcomputerprograms
9.7Defaultvaluesandparameterranges
10Rulesfortheinsertionofechocancellers
10.1Introduction
10.2Characteristicsoftheechocancellers
10.3Limitsfortheapplicationofechocancellers
10.4Determinationofthelocation
10.5HandlingofechocancellersintheE-Model
11Realizationofplanning
11.1General
11.2Determinationofthespecificrequirements
11.3Definitionofthereferenceconfigurations
11.4Determinationofthetransmissionparameters
11.5End-to-endcalculationwiththeE-Model
11.6Analysisoftheresults
AnnexA-Transmissionparametersforspecificelements
A.1Elementsinprivateand/orIPbasednetworks
A.2Transmissionparametersofpublicnetworks
A.3Transmissionparameterofthefar-end
termination
AnnexB-Planningexamples
B.1PlanningexamplefortheEuropeanscenario
B.2PlanningexamplefortheNorthAmerican
Scenario
B.3PlanningexampleforIPtransmissionbased
scenarios
AnnexC-Echocontrolinspecificapplications
C.1Effectiveechopaths
C.2Operationofechocancellersandsoft
suppressors
C.3Provisionofechocontrolforthetalkerof
thepublicnetwork Abstract
Defines the way in which the E-Model (described in Recommendation G.107 [3]) can be used in end-to-end transmission planning for a wide range of networks - local, national, multinational and transcontinental.
