ETSITS102250-1V1.2.1(2007-03)TechnicalSpecificationSpeechProcessing,TransmissionandQualityAspects(STQ);QoSaspectsforpopularservicesinGSMand3Gnetworks;Part1:IdentificationofQualityofServicecriteriaETSIETSITS102250-1V1.2.1(2007-03)2ReferenceRTS/STQ-00052mKeywords3G,GSM,networks,QoS,service,speechETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:+33492944200Fax:+33493654716SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableat:©EuropeanTelecommunicationsStandardsInstitute2007.Allrightsreserved.DECTTM,PLUGTESTSTMandUMTSTMareTradeMarksofETSIregisteredforthebenefitofitsMembers.TIPHONTMandtheTIPHONlogoareTradeMarkscurrentlybeingregisteredbyETSIforthebenefitofitsMembers.3GPPTMisaTradeMarkofETSIregisteredforthebenefitofitsMembersandofthe3GPPOrganizationalPartners.ETSIETSITS102250-1V1.2.1(2007-03)3ContentsIntellectualPropertyRights................................................................................................................................6Foreword.............................................................................................................................................................6Introduction........................................................................................................................................................71Scope........................................................................................................................................................82References................................................................................................................................................83DefinitionsandAbbreviations..................................................................................................................83.1Definitions..........................................................................................................................................................83.2Abbreviations.....................................................................................................................................................94QoSbackground.....................................................................................................................................104.1Generalconsiderations.....................................................................................................................................104.2Phasemodel......................................................................................................................................................104.3Objectiveofthecriterialist..............................................................................................................................115ServiceindependentQoScriteria...........................................................................................................115.1Radionetworkunavailability...........................................................................................................................115.2Networknon-accessibility................................................................................................................................115.3Attachfailureratio............................................................................................................................................115.4AttachSetupTime............................................................................................................................................115.5PDPcontextactivationfailureratio.................................................................................................................125.6PDPcontextactivationtime.............................................................................................................................125.7PDPContextCut-offRatio...............................................................................................................................125.8Datacallaccessfailureratio................................................................