ETSI ES 201 235-3 V1.3.1 (2006-03) Access and Term

ETSIES201235-3V1.3.1(2006-03)ETSIStandardAccessandTerminals(AT);SpecificationofDual-ToneMulti-Frequency(DTMF)TransmittersandReceivers;Part3:ReceiversETSIETSIES201235-3V1.3.1(2006-03)2ReferenceRES/AT-010127KeywordsDTMF,PSTN,signallingETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:[phone]Fax:[phone]SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableat:©EuropeanTelecommunicationsStandardsInstitute2006.Allrightsreserved.DECTTM,PLUGTESTSTMandUMTSTMareTradeMarksofETSIregisteredforthebenefitofitsMembers.TIPHONTMandtheTIPHONlogoareTradeMarkscurrentlybeingregisteredbyETSIforthebenefitofitsMembers.3GPPTMisaTradeMarkofETSIregisteredforthebenefitofitsMembersandofthe3GPPOrganizationalPartners.ETSIETSIES201235-3V1.3.1(2006-03)3ContentsIntellectualPropertyRights................................................................................................................................4Foreword.............................................................................................................................................................41Scope........................................................................................................................................................52References................................................................................................................................................53Definitions,symbolsandabbreviations...................................................................................................53.1Definitions..........................................................................................................................................................53.2Symbols..............................................................................................................................................................63.3Abbreviations.....................................................................................................................................................64DTMFreceiver.........................................................................................................................................64.1Areaofapplication.............................................................................................................................................64.2Operateandnon-operaterequirements...............................................................................................................74.2.1Signalconditionrequirements......................................................................................................................74.2.1.1Validsignalforananaloguereceiver......................................................................................................74.2.1.2Invalidsignalforananaloguereceiver...................................................................................................84.2.1.3Validsignalforadigitalreceiver............................................................................................................84.2.1.4Invalidsignalforadigitalreceiver.........................................................................................................94.2.2DigitRecognitionCondition(DRC)requirements.......................................................................................94.3Speechimmunityperformance.........................................................................................................................104.4Electricalcharacteristics...................................................................................................................................10AnnexA(normative):Speechimmunitytestsignal..........................................................................11AnnexB(informative):Exampletestsignal........................................................................................13History......................................................................................................................................