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SIST EN 301 491-1 V1.1.2:2005

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Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call offer supplementary service; Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification

Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call offer supplementary service; Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification

TSS&TP for Call offer.

Zasebno omrežje z integriranimi storitvami (PISN) – Signalizacijski protokol med centralami – Dopolnilna storitev: ponudba klica – 1. del: Zgradba preskušalnega niza in namen preskušanja (TSS&TP) – Specifikacija

General Information

Status
Published
Publication Date
31-Dec-2004
ICS
33.040.35 - Telephone networks
Technical Committee
SPN - Services and Protocols for Networks
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Jan-2005
Due Date
01-Jan-2005
Completion Date
01-Jan-2005
Mandate
T-326
Ref Project
ETSI EN 301 491-1 V1.1.2 (2000-11) - Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Call offer supplementary service; Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification

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EN 301 491-1 V1.1.2:2005
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Zasebno omrežje z integriranimi storitvami (PISN) – Signalizacijski protokol med centralami – Dopolnilna storitev: ponudba klica – 1. del: Zgradba preskušalnega niza in namen preskušanja (TSS&TP) – SpecifikacijaPrivate Integrated Services Network (PISN); Inter-exchange signalling protocol; Call offer supplementary service; Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification33.040.35Telefonska omrežjaTelephone networksICS:Ta slovenski standard je istoveten z:EN 301 491-1 Version 1.1.2SIST EN 301 491-1 V1.1.2:2005en01-januar-2005SIST EN 301 491-1 V1.1.2:2005SLOVENSKI
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SIST EN 301 491-1 V1.1.2:2005



ETSIEN301491-1V1.1.2(2000-11)EuropeanStandard(Telecommunicationsseries)PrivateIntegratedServicesNetwork(PISN);Inter-exchangesignallingprotocol;Calloffersupplementaryservice;Part1:TestSuiteStructureandTestPurposes(TSS&TP)specificationSIST EN 301 491-1 V1.1.2:2005



ETSIETSIEN301491-1V1.1.2(2000-11)2ReferenceDEN/SPAN-05191-2KeywordsPISN,supplementaryservice,testing,TSS&TP,QSIGETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:+33492944200Fax:+33493654716SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:http://www.etsi.orgThepresentdocumentmaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableathttp://www.etsi.org/tb/status/Ifyoufinderrorsinthepresentdocument,sendyourcommentto:editor@etsi.frCopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 301 491-1 V1.1.2:2005



ETSIETSIEN301491-1V1.1.2(2000-11)3ContentsIntellectualPropertyRights.4Foreword.41Scope.52References.53Definitionsandabbreviations.63.1Definitions.63.2Abbreviations.64TestSuiteStructure(TSS).75TestPurposes(TP).85.1Introduction.85.1.1TPnamingconvention.85.1.2SourceofTPdefinition.85.1.3TPstructure.95.1.4Teststrategy.95.2TPsforCO.95.2.1SS-COsignallingprocedures.105.2.1.1ActionsattheOriginatingPINX.105.2.1.1.1SendingCORequestwithoutPathRetention.105.2.1.1.2SendingCORequestwithPathRetention.115.2.1.2ActionsattheTerminatingPINX.125.2.1.2.1ReceiptCOrequestwithoutPathRetention.125.2.1.2.2ReceiptCOrequestwithPathRetention.125.2.2ImpactofInterworkingwithPublicISDNs.135.2.3ProtocolInteractionbetweenSS-COandotherSupplementaryServicesandANFs.135.2.3.1InteractionwithCallTransfer.135.2.3.1.1ActionsattheCO-OriginatingPINX.135.2.3.1.2ActionsattheCO-TerminatingPINX.135.2.3.2InteractionwithCallForwardingUnconditional.145.2.3.2.1ActionsattheCO-OriginatingPINX.145.2.3.2.2ActionsattheCO-TerminatingPINX.155.2.3.3InteractionwithCallForwardingBusy.155.2.3.3.1ActionsattheCO-OriginatingPINX.155.2.3.3.2ActionsattheCO-TerminatingPINX.165.2.3.4InteractionwithDoNotDisturbOverride.185.2.3.4.1ActionsattheCO-TerminatingPINX.185.2.3.5InteractionwithCallIntrusion.185.2.3.5.1ActionsattheCO-OriginatingPINX.185.2.3.5.2ActionsattheCO-TerminatingPINX.186Compliance.197Requirementsforacomprehensivetestingservice.19History.20SIST EN 301 491-1 V1.1.2:2005



ETSIETSIEN301491-1V1.1.2(2000-11)4IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinETSISR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinETSISR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeServicesandProtocolsforAdvancedNetworks(SPAN).ThepresentdocumentcoversthePrivateIntegratedServiceNetwork(PISN)Inter-exchangesignallingprotocol-CallOffersupplementaryservice-TestSuiteStructureandTestPurposes(TSS&TP)specification.Thepresentdocumentispart1ofamulti-partENcoveringthePrivateIntegratedServiceNetwork(PISN);Inter-exchangesignallingprotocol;Calloffersupplementaryservice,asidentifiedbelow:Part1:"TestSuiteStructureandTestPurposes(TSS&TP)specification";Part2:"AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proforma".NationaltranspositiondatesDateofadoptionofthisEN:3November2000DateoflatestannouncementofthisEN(doa):28February2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31August2001DateofwithdrawalofanyconflictingNationalStandard(dow):31August2001SIST EN 301 491-1 V1.1.2:2005



ETSIETSIEN301491-1V1.1.2(2000-11)51ScopeThepresentdocumentspecifiestheTestSuiteStructureandTestPurposes(TSS&TP)fortheCallOffersupplementaryservicesoftheInterexchangesignallingprotocolforPrivateIntegratedServicesNetworks(PISN).Theobjectiveofthepresentdocumentistoprovideconformancetestswhichgiveagreaterprobabilityofinter-operability.TheTSSandTPsspecificationcoverstheproceduresdescribedinEN300362[3].TheISOstandardforthemethodologyofconformancetesting(ISO/IEC9646-1[5],ISO/IEC9646-2[6]andISO/IEC9646-3[11])isusedasbasisforthetestmethodology.TheTestSuiteStructureandTestPurposesspecifiedinthepresentdocumentareonlyintendedforVPNscenariosatthe"b"serviceentrypoint.TheVPN"b"serviceentrypointisdefinedinEN301060-1[9]andETR172[10].2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]ETSIEN300172(V1.4):"PrivateIntegratedServicesNetwork(PISN);Inter-exchangesignallingprotocol;Circuit-modebasicservices[ISO/IEC11572(1996)modified]".[2]ETSIETS300239(1995):"PrivateIntegratedServicesNetwork(PISN);Inter-exchangesignallingprotocol;Genericfunctionalprotocolforthesupportofsupplementaryservices[ISO/IEC11582(1995),modified]".[3]ETSIEN300362:"PrivateIntegratedServicesNetwork(PISN);Inter-exchangesignallingprotocol;Calloffersupplementaryservice[ISO/IEC14843(1996),modified]".[4]ETSIETS300406(1995):"MethodsforTestingandSpecification(MTS);Protocolandprofileconformancetestingspecifications;Standardizationmethodology".[5]ISO/IEC9646-1(1994):"Informationtechnology;OpenSystemsInterconnection;Conformancetestingmethodologyandframework;Part1:Generalconcepts".[6]ISO/IEC9646-2(1994):"Informationtechnology;OpenSystemsInterconnection;Conformancetestingmethodologyandframework;Part2:Abstracttestsuitespecification".[7]ITU-TRecommendationI.112(1993):"VocabularyoftermsforISDNs".[8]ITU-TRecommendationI.210(1993):"PrinciplesoftelecommunicationservicessupportedbyanISDNandthemeanstodescribethem".[9]ETSIEN301060-1:"IntegratedServicesDigitalNetwork(ISDN);DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Basiccallcontrol;Enhancementatthe"b"serviceentrypointforVirtualPrivateNetwork(VPN)applications;Part1:Protocolspecification".[10]ETSIETR172:"BusinessTeleCommunications(BTC);VirtualPrivateNetworking(VPN);Servicesandnetworkingaspects;Standardizationrequirementsandworkitems".SIST EN 301 491-1 V1.1.2:2005



ETSIETSIEN301491-1V1.1.2(2000-11)6[11]ISO/IEC9646-3:"Informationtechnology;OpenSystemsInterconnection;Conformancetestingmethodologyandframework;Part3:TheTreeandTabularCombinedNotation(TTCN)".3Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingtermsanddefinitionsapply:AbstractTestSuite(ATS):refertoISO/IEC9646-1[5].ImplementationUnderTest(IUT):refertoISO/IEC9646-1[5].ProtocolImplementationConformanceStatement(PICS):refertoISO/IEC9646-1[5].PICSproforma:refertoISO/IEC9646-1[5].TestPurpose(TP):refertoISO/IEC9646-1[5].callindependentsignallingconnection:seeETS300239[2],definition4.7.callrelated:seeETS300239[2],definition4.9.incomingcall:seeEN300172[1],subclause4.4.InformationElements(IEs)withinvalidcontents:seeEN300172[1],subclause4.14.IntegratedServicesDigitalNetwork(ISDN):seeITU-TRecommendationI.112[7],definition308.invokeAPDU:seeETS300239[2],subclause11.3.3.4.originatingPINX:seeEN300172[1],subclause4.5.outgoingcall:seeEN300172[1],subclause4.4.rejectAPDU:seeETS300239[2],subclause11.3.3.4.returnerrorAPDU:seeETS300239[2],subclause11.3.3.4.returnresultAPDU:seeETS300239[2],subclause11.3.3.4.service;telecommunicationservice:seeITU-TRecommendationI.112[7],definition201.supplementaryservice:seeITU-TRecommendationI.210[8],subclause2.4.terminatingPINX:seeEN300172[1],subclause4.5.transitPINX:seeEN300172[1],subclause4.5.VirtualPrivateNetwork(VPN):refertoEN301060-1[9]andETR172[10].3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:APDUApplicationProtocolDataUnitATSAbstractTestSuiteCFBCallForwardingBusyCFUCallForwardingUnconditionalCICallIntrusionCOCallOfferCR1CallReference#1SIST EN 301 491-1 V1.1.2:2005



ETSIETSIEN301491-1V1.1.2(2000-11)7CR2CallReference#2CTCallTransferDNDODoNotDisturbOverrideIEInformationElementISDNIntegratedServicesDigitalNetworkIUTImplementationUnderTestPICSProtocolImplementationConformanceStatementPINXPrivateIntegratedServicesNetworkeXchangePISNPrivateIntegratedServicesNetworkPIXITProtocolImplementationeXtraInformationforTestingT1TimerT1PRT1TimerPRT1TPTestPurposeTSSTestSuiteStructureVPNVirtualPrivateNetwork4TestSuiteStructure(TSS)SignallingproceduresattheVPN"b"serviceentrypointGroupProceduresattheOriginatingPINXforSendingSS-CORequestwithoutPathRetentionOrig01forSendingSS-CORequestwithPathRetentionOrig02ProceduresattheTerminatingPINXforReceiptSS-CORequestwithoutPathRetentionTerm01forReceiptSS-CORequestwithPathRetentionTerm02ProceduresforProtocolInteractionsbetweenCallOfferandCallTransferattheCO-OriginatingPINXCT_OrigattheCO-TerminatingPINXCT_TermProceduresforProtocolInteractionsbetweenCallOfferandCallForwardingUnconditionalattheCO-OriginatingPINXCFU_OrigattheCO-TerminatingPINXCFU_TermProceduresforProtocolInteractionsbetweenCallOfferandCallForwardingBusyattheCO-OriginatingPINXCFB_OrigattheCO-TerminatingPINXCFB_TermProceduresforProtocolInteractionsbetweenCallOfferandDoNotDisturbOverrideattheCO-TerminatingPINXDNDO_TermProceduresforProtocolInteractionsbetweenCallOfferandCallIntrusionattheCO-OriginatingPINXCI_OrigattheCO-TerminatingPINXCI_TermSIST EN 301 491-1 V1.1.2:2005



ETSIETSIEN301491-1V1.1.2(2000-11)85TestPurposes(TP)5.1IntroductionForeachtestrequirementaTPisdefined.5.1.1TPnamingconventionTPsarenumbered,startingat001,withineachgroup.GroupsareorganizedaccordingtotheTSS.Additionalreferencesareaddedtoidentifytheactualtestsuiteandwhetheritappliestothenetworkortheuser(seetable1).Table1:TPidentifiernamingconventionschemeIdentifier:__=supplementaryservice:"CO"=groupupto10digitfieldrepresentinggroupreferenceaccordingtoTSS=sequentialnumber(001-999)5.1.2SourceofTPdefinitionTheTPsarebasedonEN300362[3].SIST EN 301 491-1 V1.1.2:2005



ETSIETSIEN301491-1V1.1.2(2000-11)95.1.3TPstructureEachTPhasbeenwritteninamannerwhichisconsistentwithallotherTPs.TheintentionofthisistomaketheTPsmorereadableandcheckable.Aparticularstructurehasbeenusedandthisisillustratedintable2.ThistableshouldbereadinconjunctionwithanyTP,i.e.useaTPasanexampletofullyunderstandthetable.Table2:StructureofasingleTPforCOTPpartTextExampleHeadertabSeetable1tabSubclause0.0.0StimulusEnsurethattheIUTintheorState3orCO-Idle,etc.seebelowformessagestructureReceivingaXXXXmessageortorequesta.ReactionSends,saves,does,etc.Usingenblocsending.Iftheactionissendingseebelowformessagestructure,etc.andremainsinthesamestateorandentersstateMessagestructuremessagecontainingaSETUP,FACILITY,CONNECT.a)informationelementwithb)aencodedasorincludingandbacktoaorb,Bearercapability,Facility.SelectionSelectioncriteriareferenceSupportofSS-COinOriginatingPINX.PICS:A1NOTE1:Inordertousethesamestructureasforthetestgroupselection,theselectioncriteriaisindicatedatthebottomofthetestpurpose.NOTE2:Unlessspecifiedthemessagesarevalidandcontainatleastthemandatoryinformationelementsandpossiblyoptionalinformationelements,theinformationelementsarevalidandcontainatleastthemandatoryparametersandpossiblyoptionalparameters.5.1.4TeststrategyAsthebasestandardEN300362[3]containsnoexplicitrequirementsfortesting,theTPsweregeneratedasaresultofananalysisofthebasestandardandthecorrespondingPICSproforma.TheTPsareonlybasedonconformancerequirementsrelatedtotheexternallyobservablebehaviouroftheIUT,andarelimitedtoconceivablesituationstowhicharealimplementationislikelytobefaced(ETS300406[4]).5.2TPsforCOAllPICSitemsreferredtointhissubclauseareasspecifiedinEN300362[3]unlessindicatedotherwisebyanothernumberedreference.Unlessspecified:-onlytherequirementsfromthepointofviewoftheVPN"b"serviceentrypointareconsidered.ThisimpliesthattheinteractionswithothernetworksareoutofscopeofthisspecificationandcausesthatthecorrespondingTestPurposesarenotincludedinthisspecification;-themessagesindicatedarevalidandcontainatleastthemandatoryinformationelementsandpossiblyoptionalinformationelements;-theinformationelementsindicatedarevalidandcontainatleastthemandatoryparametersandpossiblyoptionalparameters.SIST EN 301 491-1 V1.1.2:2005



ETSIETSIEN301491-1V1.1.2(2000-11)10Thefollowingwordingconventionwasdefinedtomakethetestpurposesmorereadable:-whenamessageistobesentorreceivedonacallindependentsignallingconnection,themessagenameshallbefollowedbya"(sc)",e.g.CONNECT(sc)meansthattheCONNECTmessageisconveyedonacallindependentsignallingconnection.AllthetestpurposesarevalidforbothuserandnetworksideoftheVPNbinterface.Inordertosimplifythetextandtomakethetestpurposesmorereadable,onlytheUsersideCallstates(Ux)areindicatedinthetestpurposes.ForthenetworksideoftheVPNbinterface,themappingtable3indicateswhichnetworkcallstate(Ny)correspondstotheusercallstateusedinthetestpurpose.EquivalentcallstatemeanstherethatthesamemessageflowappliesfromtheIUTpointofview(e.g.:IUTsendsaSETUPmessagegivesthecallstateU01orN06).Table3UsersidecallstateEquivalentnetworksidecallstateU00N00U03N09U04N07U07N04U09N03U10N10U11N12U19N19EXAMPLE:EnsurethattheIUTinthecallstateU03…isequivalenttothefollowingnetworksidetestpurpose:EnsurethattheIUTinthecallstateN09…5.2.1SS-COsignallingprocedures5.2.1.1ActionsattheOriginatingPINX5.2.1.1.1SendingCORequestwithoutPathRetentionCO_Orig01_001subclause6.6.1.1EnsurethattheIUTinthecallstateU00andintheCO-Idlestate,inordertoinitiateaCORequest,sendsaSETUPmessagecontainingintheFacilityIEacallOfferRequestinvokeAPDUandenterstheCO-Wait-Ackstate.CO_Orig01_002subclause6.6.1.1EnsurethattheIUTinthecallstateU03andintheCO-Wait-Ackstate,receivingaFACILITYmessagecontainingintheFacilityIEacallOfferRequestreturnresultAPDU,sendsnomessages,remainsinthecallstateU03andenterstheCO-Idlestate.CO_Orig01_003subclause6.6.1.1EnsurethattheIUTinthecallstateU03andintheCO-Wait-Ackstate,receivingaPROGRESSmessagecontainingintheFacilityIEacallOfferRequestreturnresultAPDU,sendsnomessages,remainsinthecallstateU03andenterstheCO-Idlestate.CO_Orig01_004subclause6.6.1.1EnsurethattheIUTinthecallstateU03andintheCO-Wait-AckstatereceivinganALERTINGmessagecontainingintheFacilityIEacallOfferRequestreturnresultAPDU,sendsnomessages,entersthecallstateU04andtheCO-Idlestate.SIST EN 301 491-1 V1.1.2:2005



ETSIETSIEN301491-1V1.1.2(2000-11)11CO_Orig01_005subclause6.6.1.2EnsurethattheIUTinthecallstateU03andintheCO-Wait-Ackstate,receivingaALERTINGmessagewithoutanyFacilityIE,sendsnomessages,entersthecallstateU04andtheCO-Idlestate.CO_Orig01_006subclause6.6.1.2EnsurethattheIUTinthecallstateU03andintheCO-Wait-Ackstate,receivingaCONNECTmessagecontainingintheFacilityIEacallOfferRequestreturnerrorAPDU,sendsaCONNECTACKNOWLEDGEmessage,entersthecallstateU10andtheCO-Idlestate.CO_Orig01_007subclause6.6.1.2EnsurethattheIUTinthecallstateU03andtheCO-Wait-Ackstate,receivingaDISCONNECTmessagecontainingintheFacilityIEacallOfferRequestrejectAPDU,sendsaRELEASEmessage,entersthecallstateU19andtheCO-Idlestate.CO_Orig01_008subclause6.6.1.2EnsurethattheIUTinthecallstateU03andtheCO-Wait-Ackstate,onexpiryoftimerT1,sendsnomessage,remainsinthesameprotocolcontrolstateasitwasandenterstheCO-Idlestate.5.2.1.1.2SendingCORequestwithPathRetentionCO_Orig02_001subclauseA.5.1EnsurethattheIUTinthecallstateU00andinthePRTO-Idlestate,inordertorequestpathretentionforCORequestinvocation,sendsaSETUPmessagecontainingintheFacilityIEapathRetaininvokeAPDUwiththebitforcallO
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SIST
SIST ES 202 396-1 V1.7.1:2018(Main)
Speech and multimedia Transmission Quality (STQ) - Speech quality performance in the presence of background noise - Part 1: Background noise simulation technique and background noise database
ETSI ES 202 396-1 V1.7.1 (2017-10)

The quality of background noise transmission is an important factor, which significantly contributes to the perceived
overall quality of speech. Existing and even more the new generation of terminals, networks and system configurations
including broadband services can be greatly improved with a proper design of terminals and systems in the presence of
background noise. The present document:
• describes a noise simulation environment using realistic background noise scenarios for laboratory use;
• contains a database including the relevant background noise samples for subjective and objective evaluation.
The present document provides information about the recording techniques needed for background noise recordings and
discusses the advantages and drawbacks of existing methods. The present document describes the requirements for
laboratory conditions. The loudspeaker setup and the loudspeaker calibration and equalization procedure are described.
The simulation environment specified can be used for the evaluation and optimization of terminals and of complex
configurations including terminals, networks and other configurations. The main application areas should be: office,
home and car environment.
The setup and database as described in the present document are applicable for:
• Objective performance evaluation of terminals in different (simulated) background noise environments.
• Speech processing evaluation by using the pre-processed speech signal in the presence of background noise,
recorded by a terminal.
• Subjective evaluation of terminals by performing conversational tests, specific double talk tests or talking and
listening tests in the presence of background noise.
• Subjective evaluation in third party listening tests by recording the speech samples of terminals in the presence
of background noise.

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SIST
SIST ES 202 718 V1.3.1:2018(Main)
Speech and multimedia Transmission Quality (STQ) - Transmission Requirements for IP-based Narrowband and Wideband Home and Network Media Gateways from a QoS Perspective as Perceived by the User
ETSI ES 202 718 V1.3.1 (2017-09)

The present document provides speech transmission performance requirements for narrowband and wideband media
gateways from a QoS perspective as perceived by the user. Media gateways can be network or home based, they may
include a transcoding function. The present document covers the following types of IP-based media gateways:
• ATA (Analogue Terminal Adapter), home gateway IP to POTS
• ITA (ISDN Terminal Adapter), home gateway IP to ISDN
• IAD (Integrated Access device), home router including ATA or ITA
• Network based ATA and ITA
• Carrier grade media gateway, network gateway IP to TDM
• IP-to-IP media gateway, network gateway with transcoding and/or other media processing
• New Generation DECT Fixed part with IP interface (only parameters not covered by New Generation DECT)
Interfaces of media gateways used together with terminals as a system (i.e. connected via Ethernet or with a proprietary
interface) are excluded in the present document and should be measured according to the relevant terminal standard.
If a media gateway includes more than one interface type (e.g. POTS and ISDN), each interface has to be dealt with
differently.
The requirements available in the present document will ensure a high compatibility with IP-and TDM-based fixed and
wireless terminals and networks, including DECT and mobile terminals.
It is the aim to optimize interoperability, the listening and talking quality and the conversational performance. Related
requirements and test methods are defined in the present document.
The present document does not apply to media gateways with 4-wire analogue interfaces.
The requirements for MGWs with respect to voiceband data (VBD) are out of scope in the present document. These
requirements are covered in ETSI TS 102 929 [i.5].

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SIST- V ETSI/EG 202 396-3 V1.6.1:2017(Main)
Speech and multimedia Transmission Quality (STQ) - Speech Quality performance in the presence of background noise - Part 3: Background noise transmission - Objective test methods
ETSI EG 202 396-3 V1.6.1 (2017-01)

The present document aims to identify and define testing methodologies which can be used to objectively evaluate the
performance of narrowband and wideband terminals and systems for speech communication in the presence of
background noise.
Background noise is a problem in mostly all situations and conditions and need to be taken into account in both,
terminals and networks. The present document provides information about the testing methods applicable to objectively
evaluate the speech quality in the presence of background noise. The present document includes:
• The description of the experts post evaluation process chosen to select the subjective test data being within the
scope of the objective methods.
• The results of the performance evaluation of the currently existing methods described in Recommendations
ITU-T P.862 [i.16] and P.862.1 [i.17] and in TOSQA2001 [i.19] which is chosen for the evaluation of
terminals in the framework of ETSI VoIP speech quality test events [i.8], [i.9], [i.10] and [i.11].
• The method which is applicable to objectively determine the different parameters influencing the speech
quality in the presence of background noise taking into account:
- the speech quality;
- the background noise transmission quality;
- the overall quality.
• The present document is to be used in conjunction with:
- ETSI ES 202 396-1 [i.1] which describes a recording and reproduction setup for realistic simulation of
background noise scenarios in lab-type environments for the performance evaluation of terminals and
communication systems.
- ETSI EG 202 396-2 [i.2] which describes the simulation of network impairments and how to simulate
realistic transmission network scenarios and which contains the methodology and results of the
subjective scoring for the data forming the basis of the present document.
- French speech sentences as defined in Recommendation ITU-T P.501 [i.13] for wideband and English
speech sentences as defined in Recommendation ITU-T P.501 [i.13] for narrowband.

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SIST-V ETSI/EG 202 765-2 V1.1.3:2016(Main)
Speech and multimedia Transmission Quality (STQ) - QoS and network performance metrics and measurement methods - Part 2 : Transmission Quality Indicator combining Voice Quality Metrics
ETSI ES 202 765-2 V1.1.3 (2010-05)

Revision to take into account the MV comments. This part 2 is moved from EG to ES  by TB decision.

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SIST-V ETSI/EG 202 765-1 V1.1.1:2016(Main)
Speech and multimediaTransmission Quality (STQ) - QoS and network performance metrics and measurement methods - Part 1: General considerations
ETSI EG 202 765-1 V1.1.1 (2009-12)

The document will provide the umbrella for the different parts of this multi-part document as these are service specific (e.g. voice) on the one hand and transport network specific (e.g. IP) on the other hand.

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SIST-V ETSI/EG 202 765-4 V1.1.1:2016(Main)
Speech and multimedia Transmission Quality (STQ) - QoS and network performance metrics and measurement methods - Part 4: Indicators for supervision of Multiplay services
ETSI ES 202 765-4 V1.1.1 (2010-10)

The aim of DEG/STQ-00104-4 is to identify and define indicators and methodologies for a use in a context of end-user quality characterisation and supervision of multiplay services for Internet access, IPTV, VoD and for services associated to telephony offers.

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