5G新通话白皮书 Remonetizing Voice with NextGeneration 5G Voice and Video Services

RemonetizingVoicewithNext-

Generation5GVoiceandVideoServices

GlobalDataPerspectiveon5GNewCalling

RemonetizingVoicewithNext-Generation5GVoiceandVideoServices|February2024

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TableofContents

ExecutiveSummary 3

TheUnavoidableTransitiontoVoLTE/VoNR 4

2.1IMSwillcontinueastheFoundationforVoiceandVideoServices 4

2.2TheIMSDataChannelIstheNextGenerationofMultimediaCommunications 5

5GNewCallingWasDesignedtoMonetizeThisRefresh 7

3.1Whatis5GNewCalling? 7

DataChannelValueChain 7

Value-addedservicesbasedonthebondedvideochannel 8

Value-addedservicesbasedonthebondeddatachannel 9

3.25GNewCallingFeatures 9

NewCallingrequiresnodevice-sideclient 9

End-to-endsolutions 10

Enablingtheecosystemthroughcapabilityexposure 10

ConversationalAI,AR,andavatars 10

Provisionofunifiedandintegratedsolutions 10

5GNewCallinginPractice 11

4.1ConsumerversusBusinessScenarios 11

Customerservice 11

Business 11

GovernmentCitizenServices 11

DailyLife 11

FunCallsandGaming 12

4.2TargetSegments 13

Consumer 13

Enterprise 13

Home 14

4.3BuildingtheMNORoadmap:WhatCapabilitiesWillbeReadyWhen? 14

4.4DeploymentModesandServiceCapabilities 15

IdeasforDeployingNEs 15

4.5ZTE5GNewCallingSolution 16

4.6ChinaUnicom's5GNewCallingExperience 18

Appendix:IMSPrimer 19

GlossaryofTerms 21

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ExecutiveSummary

Mobilenetworkoperators(MNOs)areundergoinganunavoidabletransitionfromcircuit-switchedvoiceto4GVoLTEand5GVoNR.Whileover-the-top(OTT)voicecompetitionandregulatoryrequirementshavemadeitveryhardforMNOstogrowvoicerevenues,thisnetworkrefreshcoincideswith5GNewCalling,whichusesbondeddataandvideochannelstocreateservicesthatrivalOTTapplicationsinfeaturesandcanbeattheminqualityofexperience.

NewCallingisbasedonIPMultimediaSystem(IMS)andtherecentlyintroducedIMSdatachannel.IMSisthelongstandingmultimediaframeworkthatunderliesVoLTEandVoNR,soitistechnologythatisalreadyineveryMNO’snetwork.

TheIMSdatachannelcanbeinvokedwhenavoice/videocallconnectionismadebetweentwoormoreparties.Thedatachannelisdesignedtosupportbondingofchannels;thisfeatureopensthedoortoawiderangeofrichcommunicationsservices.Voicecallparticipantscanusethedatachanneltosharedocumentsandscreencontent,executeavatarsandprovideaugmentedreality(AR)content.ThebandwidthoftheIMSdatachannelscaleswiththespectrumthatismadeavailabletothe5Gdataflow,whichcancreatesignificantadvantagesforhigh-bandwidthapplicationslikeaugmentedreality(AR)andvirtualreality(VR).

5GNewCallingwillbethebeginningoftrulyinnovative,multimediaaudioandvideocallingservicesthatwillworkwithartificialintelligence(AI)includingconversationalAI,AR/VR,avatars,andInternetofThings(IoT)telemetry.5GNewCallinghasgoneliveinChinaandSingapore.EarlyfeedbackinChinaisverypromisingasaplatformtoembedvoiceandvideocapabilitiesinawiderangeofindustryusecases.5GNewCallingwillgenerateaplethoraofnewusecasesinconsumerandbusinessandmanyofthesewillbefusedwithAIfunctionalitysuchaspatternrecognitionandconversationalAI.

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TheUnavoidableTransitiontoVoLTE/VoNR

Mobilenetworkoperators(MNOs)aregoingthroughaninescapablevoicenetworktransition:Allhaveeithermovedfromcircuit-switched(CS)voicetoVoLTE/VoNRorwillsoon.ThisisinevitableduetoCSnetworksgoingEndofLife(EoL),theneedtorefarmCSspectrumtoserve4Gand5Gbandwidthdemands,andthegreaterefficiencyofmodernnetworks.Fortunately,thisunavoidablecapexcoincideswithnewopportunitiesforvoicemonetization.

Sinceover-the-topvoice,video,andmessagingbecamepopular,voicenetworkshavenotrepresentedarevenueopportunity:currentdataplansoffermorethanenoughdatatocovertheaveragevolumeofOTTvoicecalling.Duetotheregulatednatureofthemobilecellularbusiness,however,MNOsmustcomplywithemergencyvoicecallingandgeographicand/orpopulationcoveragerequirementsthataremandatedintheirlicenses.ThissituationleavesthemwithhighercoststhanOTTvoice,yetnoappreciablygreaterrevenue.

Voiceoncellularmobilenetworkshasevolvedthroughtwogenerationsfrom2G/3Gcircuit-switchedcallingto4GVoiceoverLTE(VoLTE),andisnowembarkingonthethirdgeneration,VoiceoverNewRadio(VoNR).TheGSMAIntelligenceforecaststhat70%ofmobilevoiceconnectionswilluseeitherVoLTEand/orVoNR(VoiceoverNewRadio)by2030.Asmoreandmore2Gand/or3Gnetworksareshutdownacrosstheglobe,andas5Grolloutscontinueatasteadypace,VoLTE/VoNRcoverageandadoptionandcoveragewillalsocontinuetoexpandaccordingly.

MobileNetworkOperators(MNOs)areatdifferentstagesoftheirnetworkrefreshwithmosthavingbuiltoutsignificantgeographicandpopulationcoveragewiththeir4GLTEnetwork.MostMNOshavenowimplementedVoiceoverLTE(VoLTE).ForthoseMNOsthathaveimplemented5GStandalone(SA)theycanmovetoVoiceoverNewRadio(VoNR)andmarketthebenefitsofnewaddedfunctionality,improvedreliability,andbettercallquality,thelattermadepossiblebynewaudiocodecsthatprovidebetterclarityandfidelity.

2.1IMSwillcontinueastheFoundationforVoiceandVideoServices

BothVoLTEandVoNRrelyontheIPMultimediaSystem(IMS)platform,whichunderpins4G’sEvolvedPacketCoreaswellasthe5GCore.ThiscommonfoundationmeansthatmoneyspentonVoLTE-basedservicesisalsopartiallyaninvestmentin5GVoNRservices.

IMSisa3rdGenerationPartnershipProject(3GPP)referencearchitecturethatwasdevelopedwiththefirst4GLTEspecificationsin2009withthegoalofensuringglobalinteroperabilityandscalabilityofvoiceandvideocommunicationservicesbuiltontheInternetProtocol(IP).

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WhatmakesIMSsoattractive,especiallyinthe5Gera,isthatitcansupportawiderangeofvoiceandvideocallingcommunicationsservicesincludingnew,innovativeandimmersiveservicesthatcancapitalizeonthenewtechnologiesofAIandAR.IMSprovidesthefollowingbenefits:

.UnifiedCommunicationsInfrastructure.UsedbybothVoLTEandVoNRwhichmeansitisacommon,unifiedcommunicationsinfrastructureforbothLTEand5GNR.

.CloudDeployment.Canbeimplementedinthecloudandthuscansupporthypervisorsandlightweightcontainersprovidingmoredynamicapplications.

.Carrier-Grade.Providescarrier-gradequalityofserviceandreliability.

.Internetworkingbetweendiversedevices.Enablessecurecommunicationsbetweendiversedevicesacrossdiversenetworks.

.Roaming.Deliversseamless,uninterruptedroaming.

.InterfacetoMediaGateways.CanbeusedforinterfacingtoSignalingGateway(SGW)forfixedlineSS7connectivity,supportstheMediaGatewayControlFunction(MGCF)forinteroperabilitywiththePSTN,andinterfacestotheMediaResourceFunctions(MRF)whichprovidesmedia-relatedservicessuchastheplayingoftonesanddigitalannouncements.

.Single-numberSolutions.WithIMSitispossibletocreatesingle-numbersolutionswithsupportbeyondsmartphonessuchassmartwatches,smartspeakers,andmultipleSIM/eSIMsonthesamedevice.

.Anti-Fraud/Anti-Spam.PreventionofnuisanceandfraudulentcallscanbecarriedoutwithIMS.

.ConvergedFixed/MobileAccess.IMScanbeusedtobuildconvergedmobileandfixedaccessnetworks

ItistheinteroperabilityofIMSthatenablesoperatorstorealizeconvergedfixedandmobilenetworksandforvoice/videocallstobeconnectedbetweendifferentoperatorseveniftheymightbeusingdifferentcommunicationprotocols.

2.2TheIMSDataChannelIstheNextGenerationofMultimediaCommunications

Inlate2020,aspartof5GRelease16,the3GPPaddedapowerfulnewfeaturecalledtheIMSdatachannel.Thisdatachannelcanbebondedwiththevoicechannelandavideochannel,deliveringavarietyofdataand/orvideoservicesinsyncwiththevoicechannel.Thisenablesintegrationwiththenativedialler,theabilitytoinitiatemultimediaservicesviaavoicecall,andtoprovidereal-timeserviceslikeautomatictranslationandtransactions.

TheadditionalcapacitythatthedatachanneloffersmeansthatARandvideowillbeabletobedeliveredwithhigherqualityandfidelityin5Gimplementations,butitwillalsobeavailablein4Gimplementations,albeitwithhigherlatencyandlowerbandwidth.Thus,forMNOsthatarestillin

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theearlystagesoftheir5Groll-out,thedatachannelcanbemadeavailableto4Genduserstodothingslikesharescreencontentandwatchvideoclips.

ThedatachannelcanbeusedinparallelwithothermediatypessuchasaudioandvideointheMultimediaTelephone(MMTel)service(SeeAppendixformoredetailsonthearchitectureofIMS).Itdoesnotrequirecontenttobeformattedinaspecificway,sinceitusestheWebRTCdatachannelprotocolstackasspecifiedbytheWorldWideWeb(W3C)andintheInternetEngineeringTaskForce(IETF).TheIMSdatachannelenablescallerstoshareapplicationsduringvoicecalls,afeaturethatispotentiallymorepowerfulandadvancedthanOTTvoice/videocalling.WhentwousersconnectusingastandardphonecallunderIMS,theIMSdatachannelcanbeinvokedtoshareapplicationsevenifonepartyhasnotdownloadedtheapplication.ThisisapowerfulfeaturethatopensupthepossibilitiestounlimitednumberofB2BandB2Cuse;atthesametime,thedatachannelcreatesopportunitiesforbrandingandmarketinginitiatives.

Figure1:IMSDataChannelenablesnewB2BandB2Cservices

Source:3GPP,GSMA2021

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5GNewCallingWasDesignedtoMonetizeThisRefresh

3.1Whatis5GNewCalling?

5GNewCallingprovidesunprecedentedcapabilitiesformultimediacommunicationsbasedontheIMSdatachannelinRel-16combinedwithenhancedvideocommunications.MNOsthatdonothavethe5GCoreorRANdeployedcanstarttoofferNewCallingviaVoLTEusingLTE’sspectrumandbandwidth.

SincetheIMSdatachannelfirstappearedinthe3GPPstandardsprocess,operatorshavebeenexperimentingwithusingittoenablenewservices.TheearliestactivitywasinChina,whereMNOsimplementedthe5GcoreandVoNRearlyon.Asmomentumincreased,theGSMAandMNOsfromaroundtheworldfoundedaNewCallingtrackoftheGSMAfoundryinMarch2023.TheFoundryhelpsMNOssharebestpracticesandnewNewCallingservicestoencouragequicker,morewidespreadadoption.

DataChannelValueChain

TheIMSdatachanneloffersanewcontentdistributionmechanismwhichMNOscanleveragetosellwholesaletocontentproviders.Figure2showstheIMSdatachannelvaluechainforbusinesses,whileFigure3showsthevaluechainforMNOs.Thekeypointhereisthatinthepast,priortothedatachannel,theprovidervaluechainwasbasedontheownershipofallthecontentaswellastheprocessesusedtodelivervoiceservices.Withthedatachannel,thevaluechainisextendedtoincludeappsandcontentthataredeliveredon-demandinrealtime.

Figure2:DataChannelvaluechainforbusiness

Enabling

Voice

Technology&Services

Billingand

Revenue

Assurance

Web

Enabling

Technology&Services

Voice

BusinessProductCatalogue

Channels&Contract

Types

ConnectivityDevice

User

Interface

OnlineServices

ContentRights

User

Source;GSMA,2021

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Channels&Contract

Types

Billing&

RevenueAssurance

EnablingVoiceTechnology&Services

User

UserInterface

Device

VoiceConnectivity

IMSCore

ContentDelivery

Internet

MBB

BusinessProductCatalogue

APN

ApplicationServers

Content

5GCConnectivity

JS

HTML

CSS

Figure3:IMSdatachannelvaluechainforMNOs

Voice

BusinessProductCatalogue

DCS

IMSAPN

ContentRights

WebEnablingTechnology&Services

Source;GSMA,2021

AccordingtotheGSMA,ecosystemplayerswillinclude:

.Datachannelcontentowners

.Datachannelcontentcreators

.Datachannelserverproviders

.Datachannelcontentdelivery

.Intermediaries

.Digitalrightsmanagement/billing

Inmanycases,onecompanywillperformmorethanonerole,buttomaximizerevenuegeneration,theservicechainshouldbeconnectedbyindustrystandardAPIsandstraightforwardcommercialrelationships.

Value-addedservicesbasedonthebondedvideochannel

TheDataChannelSignalFunction(DCSF)andnewMediaFunction(MF)wereproposedbytheGSMAwithmuchofthedetailslefttothevendorstoimplementastheyseefit.TheMFexecutesIMSdatachannelmediaoperationssuchascreationandclosureofbootstrapdatachannel(s).TheseDCSFandMFwereproposedbytheGSMA.Itispossibletoenableexisting4Gterminalstosupportsomevisualandadvancedservicessuchasintelligenttranslationandvirtualbackgroundservices.Long-term5G,terminalswillprovidethebestbandwidthinthedatachannel.MNOsthatarestilllargelyusingVoLTEtoprovidevoiceservicescangetstartedwithNewCallingbyintroducingservicesbuiltonthevideochannelaswellassimpledatachannel-basedservices.

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Value-addedservicesbasedonthebondeddatachannel

5GNewCallingisessentiallyanativetechnologythatisembeddedinthemobilephonewithouttheneedtodownloadanyapplication.5GNewCallingsupportsbothVoNRandVoLTE.TerminalsthatsupportNewCallingcanalsobeusedtoprovideinteractiveandimmersiveservicessuchasintelligentcustomerservicesandAR.

Thebenefittoconsumersistheemergenceofnewfeaturessuchasmulti-streamteleconferencingwhereauserequipment’s(UE’s)spatialsoundcanbetransmittedtootherparticipantsinthecall,XRconversationalservices,virtualavatars,content/screensharingandotherinteractiveservicesincludingvoicetranscriptionforpeoplewithhearinglossandintelligenttranslationservicesforbusinesspurposes.AItechnologyisextensivelybeingusedforpatternrecognitionandmachinevision.

3.25GNewCallingFeatures

SomeoftheapplicationsofNewCallingthatwediscussinthispapercouldalsotheoreticallybehandledbyOTTapplications.Why,then,shouldMNOsinvestinanotherlayerofinfrastructurethat

competeswithcapabilitiesthatalreadyexist?

Theanswerisatleastfourfold:

.NotallNewCallingusecasescanbeeasilyduplicatedbyover-the-topapplications,especiallythosethatinvolvecloseintegrationbetweendatafeaturesandtheincreasingqualityofcarriervoice.

.TheintegrationofdataandvideowithnativehandsetfeatureslikethediallercancreategreaterqualityofexperiencethanOTTapplications.

.Implementedproperly,NewCallingcanprovidebetterperformancethanOTTapplicationsthatrelyonabest-effortwebmodel.Shortersetuptimescangettheusertotheservicemorequickly,andthededicated,bondeddatachannelcanprovidelowerlatency.

.Industrystandardsfor5GNewCallingprovideforseamlessinteroperability,making5GNewCallinggloballyavailablefor4G/5GusersthatarecustomersofdifferentMNOs.

Takentogether,thesefeaturescanprovideMNOsanexperienceadvantageoverOTTservicesthattheyhavenothadbefore.

NewCallingrequiresnodevice-sideclient

TheIMSdatachannelenablescallerstoshareapplicationsduringvoicecalls,afeaturethatispotentiallymorepowerfulandadvancedthanOTTvoice/videocalling.WhentwousersconnectusingastandardphonecallunderIMS,theIMSdatachannelcanbeinvokedtoshareapplicationsevenifonepartyhasnotdownloadedtheapplication.Thebeautyofthedatachannelisthatthemorespectrumthatisavailable,themorebandwidthcanbeallocatedtotheIMSdatachannel.Forexample,asoperatorsaddmmWavetotheirnetwork,theIMSdatachannelbandwidthcanincreaseproportionally.

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Thismeansthatbandwidth-intenseapplicationssuchasAugmentedRealityhaveapathtoscaleintermsofperformanceandbandwidth.Multipledatachannelscanbemappedtogetherorbondedtoprovidemoreandmorebandwidth.Applicationscanbestoredinthecloudandexecutionoftheapplicationscanalsotakeplaceinthecloud.Dataapplicationsaredeliveredtotheuserequipment(UE)terminalusingHTMLandJavaScriptinanopenarchitecture.

End-to-endsolutions

End-to-endsolutionscanintegratewithVoLTE/VoNR(NewCalling)overIMS,EPCand/or5GCore.Standalone5GCoreisthefuturedirectiontoamoreadvancedsuiteofpotentiallynewandexcitingmultimediaservices.MNOsandapplicationdeveloperscanusethe5GCoreNEF(NetworkExposureFunction)andIMStointegrateorembedVoNR(NewCalling)intoapplications.

Enablingtheecosystemthroughcapabilityexposure

Programmabilityofthe5GNewCallingserviceviatheNEFandIMSAPIsmakesitpossibleforMNOstointroducenewandexcitingmultimediaservicessuchasscreencontentsharing,push-to-talk,andbundledserviceswithsmarthomeandbroadbandconnectivityservices.WiththeintroductionoftheIVAScodecin3GPPRelease18,itwillbepossibletogoevenfurtherwithservicessuchastransmittingthe3Dspatialsoundexperienceofaparticipantinateleconferencingcall.

ConversationalAI,AR,andavatars

GenerativeAIbasedinthecloudcanbeintegratedonaSaaSbasisintoappsandservices.TheadditionalaccesstobandwidththattheIMSdatachannelprovideswillmakeavatarsandembeddedARfeasiblewith5GNewCalling.ConversationalAI,ARandavatarscanallbecombinedtocreateinnovativeservicesrangingfromreal-timetranslationtoanimationstriggeredbytheconversation.

Thecloud-basednatureofNewCallingpresentsanadditionaladvantagefordeviceswithtightformfactorandlimitedbatterypowersuchassmartglasses.Inthiscase,NewCalling-enabledvoicecommandscouldbecomeadefiningpartofthesmartglassexperience.

Provisionofunifiedandintegratedsolutions

Integratedsolutionscanbebuiltusingthe5GCoreAPIsandtheNetworkExposureFunction,IMS(includingtheMMTel)APIs,andotherapplicationfunctions.

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5GNewCallinginPractice

4.1ConsumerversusBusinessScenarios

Customerservice

Customerservicecanbeenhancedbyofferingcustomersvisualsupportonthemobilephonescreens.ConversationalAIcanalsobedeployedtoscreencallsandhelpdirecttothenextavailableandsuitableserviceagent.

Business

5GNewCallingcanenableenterprisestooptimizetheworkprocess,improveworkefficiency,andcreatehighereconomicandsocialbenefitsthroughenhancedbusinessfeatures,multimediacallingcards,businessshorthand,intelligenttranslation,anddocumentsharing.5GNewCallingcanalsobeusedtodevelopinternalcompanycallingservicescompletewithbiometrics.

Customerscancallabusinesstoplaceanorderforaproductorservice,forexample,andthemenuwillbedisplayedontheuser'sscreenwhenthecallisconnected;thecustomerservicehotlinecanbefullyautomatedbutifthebusinessbelievestheystillneedtomakeahumanavailabletoanswermorecomplexrequests,thenarepresentativebuttoncanbedisplayedontheuser'sscreen.ByaddingconversationalAItothemix,theservicecanbecomeveryefficientwiththeAIansweringquestions.Forexample,whenorderingseasonalseafood,therestaurantmightprefertoofferquotesonthespotratherthanpostingitonawebsite.

AnearlyexampleofaNewCallingserviceisautomotiveassurance:afteranaccident,acustomercancalltheinsurancecompanyanduploadimagesofthedamagefromthesiteasdirectedbytherepresentative,ratherthangoingthroughmultipleiterationsoftheprocessafterthefact.

GovernmentCitizenServices

5GNewCallinghassubstantialpotentialinaugmentingcitizenservices.Forexample,incitieswithasignificantmigrantpopulation,GenAI-enabledsimultaneoustranslationservicescanbeoffered.Therearemultiplewaystoimplementsuchasolution–real-timeandsemi-real-time.Bothcallerswouldbeabletoselectthetranslationtextthatappearsontheirscreen.Thistypeofservicewouldalsobeveryhandyfortaxicabs,wheretodaythetaxidriversometimesneedstocallsomeoneintheradiodispatcher'sofficetoassistinunderstandingthepassenger'srequesteddestination.

DailyLife

Examplesofdailyconsumerservicesthatcanimpactdailylifearedetectionofscamandfraudulentcalls,advancedcallerID,andenhancedcybersecurity.IntermsofCallerID,5GNewCallingwillenableanumberoffeaturessuchascallernameorcallerlogosaddedbythenetworktonumbersthatitknowsbelongtothatcaller.Anotherusecaseisbeingabletoshareinformationonmeetinglocationsonamaporattachingphotosoravideoclipshowinghowtogotothelocation.

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FunCallsandGaming

PhoneandvideocallscanbesprucedupwithvirtualavatarsandARfeatures.Multiplayergamingandonlinegamingareanotherclassofusecaseswhere5GNewCallingwithdatachannelcanbeveryusefulinenhancingtheinteractionexperience.

ARcanbeintroducedintovariousconsumerscenarios.Forexample,consumercallscanbeaugmentedwithXRdata,enablingtheusertoshareanappsuchaspingpongwithARglassesorARbowling.

ConsumerscanalsocalltheirsmarthomehubtocontrolIoTdevicessuchas360-degreesurveillancecamerasandhomerobots.InthiscasetheNewCallingdatachannelisusedforreal-timeremotecontrolandvisualfeedback.

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4.2TargetSegments

Consumer

Scamcalldetectionandfiltering.5GNewCallingwillenableCallerIDthatismoreinformationalasdescribedearlierandovertimeMNOswillalsoconsiderofferingaverificationservicetoreplacethetypicalmessagethatonereceivesnowadayswhenanunknownnumbercallssuchas“Suspectedsuspiciousormaliciouscaller”.

VideocallingwithAR,SmartGlasses.NewCallingviatheIMSdatachannelprovidesmultipleopportunitiestointegratewithARandSmartGlasses.TheindustryisbusyenhancingthelatestversionofSmartGlassesandinseveralyearsAR-enabledSmartGlasseswillemergeoncealltheengineeringchallengesaroundbatterylife,heatdissipationalongtherimoftheglassesandcomputationalcapacityarefurtherimproved.WithSmartGlassesverbalcommandscanbeusedtonavigatetheinternetandsearchforinformationorevenfillouton-lineforms.

BundlingwithwearablesandSmartGlasses.MNOswillhaveplentyofopportunitiestotailorserviceofferingaroundSmartGlassesandwearableinthefuture.TheNewCallingcapabilitieswillmakethewearablesandSmartGlassesmorepotent.

Enterprise

Real-timetranslation.Real-timetranslationandtranscriptionareserviceswithalotofpent-updemandinbusinessandinconsumerscenarios.InsomemarketslikeChinatoday,therearehardwaredevicesthatsellforaroundUS$450thatdoreal-timetranslation.Thisisaservicethatisidealforthecloudandfor5GNewCallingwiththedatachannel.

Contactcenters.ContactcenterscanimproveproductivitywithconversationalAIasafrontendtohandleincomingcallstodeterminethebestpersontoresolvetheinquiry,improvingtheproductivityperseat.Moreover,highquality,reliabilityandclarityofthevoicecallin5GNewCallingwillbeaprerequisiteforcontactcenters.

Automotive.ThecombinationofconversationAIand5GNewCallinghaswidepotentialinconnectedcarscenariosinvolvingnavigation,carmaintenanceandroadsideemergency.

Healthcare.Wearablescanalsobeequippedwithsoftwarethatunderstandkeywordsforin-homehospitalpatients,athletes,andfirstresponders.Anexamplemightbeanemergencycallbuttonforpatientsathome.Theemergencycallbuttonwouldprovideauthenticationthroughfacerecognition,GPSlocationandothernearbysettingtovalidatethatth