ETSI EN 300 659-1 V1.3.1 (2001-01)

Access and Terminals (AT); Analogue access to the Public Switched Telephone Network (PSTN); Subscriber line protocol over the local loop for display (and related) services; Part 1: On-hook data transmission

REN/AT-030006-1

Dostop in terminali (AT) – Analogni dostop do javnega komutiranega telefonskega omrežja (PSTN) – Protokol naročniškega voda v krajevni zanki za prikazovalne (in sorodne) storitve – 1. del: Prenos podatkov pri položeni pogovorki

General Information

• Status: Published
• Publication Date: 17-Jan-2001
• Technical Committee: AT Features - AT Features
• Current Stage: 12 - Completion
• Due Date: 19-Jan-2001
• Completion Date: 18-Jan-2001
• Ref Project: SIST EN 300 659-1 V1.3.1:2003 - Access and Terminals (AT); Analogue access to the Public Switched Telephone Network (PSTN); Subscriber line protocol over the local loop for display (and related) services; Part 1: On-hook data transmission

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.LAccess and Terminals (AT); Analogue access to the Public Switched Telephone Network (PSTN); Subscriber line protocol over the local loop for display (and related) services; Part 1: On-hook data transmission33.040.35Telefonska omrežjaTelephone networksICS:Ta slovenski standard je istoveten z:EN 300 659-1 Version 1.3.1SIST EN 300 659-1 V1.3.1:2003en01-december-2003SIST EN 300 659-1 V1.3.1:2003SLOVENSKI
STANDARD



SIST EN 300 659-1 V1.3.1:2003



ETSIEN300659-1V1.3.1(2001-01)EuropeanStandard(Telecommunicationsseries)AccessandTerminals(AT);AnalogueaccesstothePublicSwitchedTelephoneNetwork(PSTN);Subscriberlineprotocoloverthelocalloopfordisplay(andrelated)services;Part1:On-hookdatatransmissionSIST EN 300 659-1 V1.3.1:2003



ETSIETSIEN300659-1V1.3.1(2001-01)2ReferenceREN/AT-030006-1Keywordsdata,PSTN,protocol,serviceETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:[phone]Fax:[phone]SiretN°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:[e-mail]opartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2001.Allrightsreserved.SIST EN 300 659-1 V1.3.1:2003



ETSIETSIEN300659-1V1.3.1(2001-01)3ContentsIntellectualPropertyRights.4Foreword.51Scope.62References.63Definitionsandabbreviations.73.1Definitions.73.2Abbreviations.74Dataencoding.75Protocolrequirements.85.1Presentationlayer.85.2DataLinklayer.85.3Physicallayer.96Datatransmissionrequirements:signalling,timingandtolerance.96.1Datatransmissionassociatedwithringing.106.1.1Datatransmissionduringringing.106.1.2Datatransmissionpriortoringing.116.2Datatransmissionnotassociatedwithringing.126.3TASphysicalcharacteristics.146.3.1DT-AS.146.3.2RP-AS.14AnnexA(normative):TEconnectedtotheLEviaapairgainsystem-considerationsfortheZ'interface.15AnnexB(normative):DTMFbasedsubscriberlineprotocol.16B.1Introduction.16B.2Lineseizurephase.16B.3Alertingphase.16B.4Informationtransferphase.16B.5Tests.17AnnexC(informative):Referenceconfigurations.18AnnexD(informative):Datatransmissionformat.19Bibliography.20History.21SIST EN 300 659-1 V1.3.1:2003



ETSIETSIEN300659-1V1.3.1(2001-01)4IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinETSISR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).TheattentionofETSIhasbeendrawntotheIntellectualPropertyRights(IPRs)listedbelowwhichare,ormaybe,ormaybecome,Essentialtothepresentdocumentand,inparticular,on-hookdatatransmissionassociatedwithringing,networkoperatoroption:"transmissionduringringing".TheIPRownerhasundertakentograntirrevocablelicences,onfair,reasonableandnon-discriminatorytermsandconditionsundertheseIPRspursuanttotheETSIinterimIPRPolicy.FurtherdetailspertainingtotheseIPRscanbeobtaineddirectlyfromtheIPRowner.ThepresentIPRinformationhasbeensubmittedtoETSIandpursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinSR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.IPRs:USA4,582,956Canada1,225,726Belgium0,150,181France0,150,181UnitedKingdom0,150,181Japan1,832,616Netherlands0,150,181Sweden0,150,181Germany3,376,377TherelatedInternationalPatentApplication(WHO85/00488)designatedthefollowingcountries:AT,AU,BE,BR,CH,DE,DK,FI,FR,GB,JP,LU,NL,NO,SEandSU.IPRowner:AT&T:10IndependenceBlvd.Warren,NJ07059-6799USAContact:Mr.RichDeFeliceTel:[phone]Fax:[phone]SIST EN 300 659-1 V1.3.1:2003



ETSIETSIEN300659-1V1.3.1(2001-01)5ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeAccessandTerminals(AT).Version1.2.1ofthepresentdocumenthadbeensubmittedtoOne-stepApprovalProcedure200017butwaswithdrawnduetothereceiptofsubstantialtechnicalcomments.Thepresentdocumentispart1ofamulti-partstandardcoveringthePSTNsubscriberlineprotocoloverthelocalloopfordisplay(andrelated)services,asdescribedbelow:Part1:"On-hookdatatransmission";Part2:"Off-hookdatatransmission";Part3:"Datalinkmessageandparametercodings".NationaltranspositiondatesDateofadoptionofthisEN:12January2001DateoflatestannouncementofthisEN(doa):30April2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31October2001DateofwithdrawalofanyconflictingNationalStandard(dow):31October2001SIST EN 300 659-1 V1.3.1:2003



ETSIETSIEN300659-1V1.3.1(2001-01)61ScopeThepresentdocumentspecifiesthesubscriberlineprotocolforthesupportofPSTNdisplayservicesatLocalExchange(LE)in"on-hook"state.Thesubscriberlineprotocolisaccomplishedbyusingasynchronousvoice-bandFrequency-ShiftKeying(FSK)signalling.ThedatatransmissionspecifiedinthepresentdocumentisprovidedonlyinthedirectionfromtheLEtotheTE.Inaddition,annexBisprovidedinordertoallowthecontinuationofuseinthosenetworksthatalreadyimplementedaDualToneMulti-Frequency(DTMF)basedsubscriberlineprotocol.TherequirementsimposedontheFSKsignalling-basedsubscriberlineprotocoldealwithdataencoding,datatransmissionrequirementsandthethreelayersoftheprotocolatthenetworksideoftheinterface:• presentationlayer;• datalinklayer;and• physicallayer.TherequirementsimposedontheDTMF-basedsubscriberlineprotocoldealwiththetransferoftheDTMFcodeddisplayinformation.TheproceduresandtheencodingarrangementsarespecifiedinannexBofthepresentdocument.TerminalEquipment(TE)canbeconnectedbyanalogueaccessdirectlytotheLEorthroughanAccessNetwork(AN).Inthelattercase,datatransmissioncanbeappliedfromtheLEorfromelsewhereinthenetworkhenceatransmissionpathneedstoexistfromtheLEtotheTEbeforedatatransmission.Itisthenetworkoperator'sresponsibilitytoensuretransmissionpathestablishment.Transmissionpathestablishmentproceduresareoutsidethescopeofthepresentdocument.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]ETSITR101182:"AnalogueTerminalsandAccess(ATA);Definitions,abbreviationsandsymbols".[2]ETSIETS300648(1997):"PublicSwitchedTelephoneNetwork(PSTN);CallingLineIdentificationPresentation(CLIP)supplementaryservice;Servicedescription".[3]ETSIES201235:"SpecificationofDualTonesMulti-Frequency(DTMF)TransmittersandReceivers",Part1toPart4.[4]ITU-TRecommendationQ.11(1988):"Numberingplanfortheinternationaltelephoneservice".[5]ITU-TRecommendationT.50(1992):"InternationalReferenceAlphabet(IRA)(FormerlyInternationalAlphabetNo.5orIA5)-Informationtechnology-7-bitcodedcharactersetforinformationinterchange".[6]ITU-TRecommendationV.23(1988):"600/1200-baudmodemstandardizedforuseinthegeneralswitchedtelephonenetwork".SIST EN 300 659-1 V1.3.1:2003



ETSIETSIEN300659-1V1.3.1(2001-01)7[7]ETSIEN300659-3(V1.3.1):"PublicSwitchedTelephoneNetwork(PSTN);Subscriberlineprotocoloverthelocalloopfordisplay(andrelated)services;Part3:Datalinkmessageandparametercodings".3Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingtermsanddefinitionsapply:callinglineidentity:seeETS300648[2]graphiccharacter:characterthathasavisualrepresentationnormallyhand-written,printedordisplayed;inIRAcharacters2/1to7/14(seeITU-TRecommendationT.50[5])longsilentperiod:silentperiodbetweenringpatternsloopstate:seeTR101182[1]markbit:symbol"1"(seeITU-TRecommendationV.23[6])quiescentstate:seeTR101182[1]ringpattern:consistsofoneormoreringingpulsesseparatedbyshortsilentperiodsRingingPulseAlertingSignal(RP-AS):pulseofringingcurrentusedtoalerttheTEthatadatatransmissionwillfollow.DurationofRP-ASisspecifiedinthepresentdocumentringingpulse:pulseofringingcurrentusedforcallarrivalindicationwithinaringpattern.Ringingattributes(currentvalues,durationofringingpulses,numberofringingpulsesintheringpatterns,cadence,etc.)arenetworkspecificshortsilentperiod:silentperiodbetweenringingpulsesinaringpatternspacebit:symbol"0"(seeITU-TRecommendationV.23[6])3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:ANAccessNetworkASAlertingSignalCLIPCallingLineIdentificationPresentationDCDirectCurrentDT-ASDualTone-AlertingSignalDTMFDualToneMulti-FrequencyFSKFrequency-ShiftKeyingIRAInternationalReferenceAlphabetLELocalExchangeLRLineReversalLR+DT-ASLineReversalfollowedbyaDualTone-AlertingSignalPSTNPublicSwitchedTelephoneNetworkRP-ASRingingPulseAlertingSignalTASTEAlertingSignalTETerminalEquipment4DataencodingDataencodingshallbeasdescribedinEN300659-3[7].SIST EN 300 659-1 V1.3.1:2003



ETSIETSIEN300659-1V1.3.1(2001-01)85ProtocolrequirementsAnnexDgivesanoverviewofthedatatransmissionformat.5.1PresentationlayerThePresentationlayerspecifiestheformatsandsequenceofinformationthatLEtransmitstotheTE(Presentationlayermessage).ThePresentationlayermessageformatisillustratedinfigure1.PARAMETERTYPEPARAMETERLENGTHPARAMETERDATAOCTET(S)PARAMETERTYPEPARAMETERLENGTHPARAMETERDATAOCTET(S)Bit0781516PARAMETER1PARAMETERNFigure1:PresentationlayermessageformatEachparametershallconsistofaParametertype,aParameterlengthandParameteroctet(s).Parametertype(1octet):shallcontainanassignedbinaryencodedvaluetoidentifytheParameter.Parameterlength(1octet):shallcontainthebinaryencodednumberofParameteroctetsthatfollow.Parameterdataoctet(s):shallcontain1ormore(upto253)octets.ThevalueshallbeeitherbinaryencodedorencodedinaccordancewithITU-TRecommendationT.50[5].5.2DataLinklayerTheDataLinklayerisresponsibleforprovidingbiterrordetectioncapabilityandforprependingtheChannelSeizureSignalandtheMarkSignaltothePresentationlayermessage.TheDataLinklayermessageformatshallbeasillustratedinfigure2.CHANNELSEIZURESIGNALMARKSIGNALMESSAGETYPEMESSAGELENGTHPRESENTATIONLAYERMESSAGECHECKSUMFigure2:DataLinkmessageformatChannelSeizureSignal:shallconsistofablockof300continuousbitsofalternating"0"sand"1"s.Thefirstbittobetransmittedshallbea"0".Thelastbittobetransmittedshallbea"1".Itshallstartthedatatransmissiononlyin"on-hook"datatransmission.MarkSignal:shalleitherconsistofablockof180±25markbitsor80±25markbits.Messagetype(1octet):shallcontainanassignedbinaryencodedvaluetoidentifythemessage.Messagelength(1octet):shallcontainthebinaryencodednumberofoctetsoftheDataLinklayermessage(notincludingtheMessagetype,MessagelengthandChecksumoctets).Thisallowsapresentation-layermessagelengthbetween3and255octets.PresentationLay
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