【GlobalData中国联通】2024年5G新通话白皮书通过下一代5G音视频服务实现语音再变现232mb

RemonetizingVoicewithNext-Generation5GVoiceandVideo

ServicesGlobalDataPerspectiveon5GNewCallingRemonetizingVoicewithNext-Generation5GVoiceandVideoServices|February

2024TableofContentsExecutiveSummary

.....................................................................................................................................................3TheUnavoidableTransitionto

VoLTE/VoNR................................................................................................................42.1IMSwillcontinueastheFoundationforVoiceandVideoServices

...........................................................................42.2TheIMSDataChannelIstheNextGenerationofMultimediaCommunications

......................................................55G

New

Calling

Was

Designed

to

Monetize

This

Refresh

.............................................................................................73.1Whatis5GNewCalling?...........................................................................................................................................

7DataChannelValue

Chain...........................................................................................................................................7Value-addedservicesbasedonthebondedvideochannel.......................................................................................

8Value-addedservicesbasedonthebondeddatachannel.........................................................................................93.25GNewCallingFeatures...........................................................................................................................................

9NewCallingrequiresnodevice-sideclient

.................................................................................................................9End-to-endsolutions.................................................................................................................................................10Enablingtheecosystemthroughcapabilityexposure..............................................................................................

10ConversationalAI,AR,andavatars...........................................................................................................................

10Provision

ofunifiedandintegratedsolutions...........................................................................................................105GNewCallingin

Practice.........................................................................................................................................114.1ConsumerversusBusinessScenarios......................................................................................................................

11Customerservice......................................................................................................................................................

11Business....................................................................................................................................................................11GovernmentCitizenServices....................................................................................................................................

11DailyLife....................................................................................................................................................................

11FunCallsand

Gaming................................................................................................................................................124.2TargetSegments.....................................................................................................................................................

13Consumer..................................................................................................................................................................

13Enterprise..................................................................................................................................................................

13Home........................................................................................................................................................................

144.3BuildingtheMNORoadmap:WhatCapabilitiesWillbeReadyWhen?.................................................................14

4.4DeploymentModesandService

Capabilities..........................................................................................................15IdeasforDeployingNEs............................................................................................................................................

154.5ZTE5GNewCallingSolution...................................................................................................................................

164.6

China

Unicom's

5G

New

Calling

Experience............................................................................................................

18Appendix:IMS

Primer...............................................................................................................................................19GlossaryofTerms

......................................................................................................................................................21WWW.GLOBALDATA.COM©GlobalDataPlc2022|

2RemonetizingVoicewithNext-Generation5GVoiceandVideoServices|February

2024Executive

SummaryWWW.GLOBALDATA.COM©GlobalDataPlc2022|

3Mobilenetworkoperators(MNOs)areundergoinganunavoidabletransitionfromcircuit-switchedvoiceto4GVoLTEand5GVoNR.Whileover-the-top(OTT)voicecompetitionandregulatoryrequirementshavemadeitveryhardforMNOstogrowvoicerevenues,thisnetworkrefreshcoincideswith5GNewCalling,whichusesbondeddataandvideochannelstocreateservicesthatrivalOTTapplicationsinfeaturesandcanbeattheminqualityofexperience.NewCallingisbasedonIPMultimediaSystem(IMS)andtherecentlyintroducedIMSdatachannel.IMSisthelongstandingmultimediaframeworkthatunderliesVoLTEandVoNR,soitistechnologythatisalreadyineveryMNO’s

network.TheIMSdatachannelcanbeinvokedwhenavoice/videocallconnectionismadebetweentwoormoreparties.Thedatachannelisdesignedtosupportbondingofchannels;thisfeatureopensthedoortoawiderangeofrichcommunicationsservices.Voicecallparticipantscanusethedatachanneltosharedocumentsandscreencontent,executeavatarsandprovideaugmentedreality(AR)

content.

The

bandwidth

of

the

IMS

data

channel

scales

with

the

spectrum

that

is

made

availabletothe5Gdataflow,whichcancreatesignificantadvantagesforhigh-bandwidthapplicationslikeaugmentedreality(AR)andvirtualreality

(VR).5G

New

Calling

will

be

the

beginning

of

truly

innovative,

multimedia

audio

and

video

calling

servicesthatwillworkwithartificialintelligence(AI)includingconversationalAI,AR/VR,avatars,andInternetofThings(IoT)telemetry.5GNewCallinghasgoneliveinChinaandSingapore.EarlyfeedbackinChinaisverypromisingasaplatformtoembedvoiceandvideocapabilitiesinawiderangeofindustryusecases.5GNewCallingwillgenerateaplethoraofnewusecasesinconsumerandbusinessandmanyofthesewillbefusedwithAIfunctionalitysuchaspatternrecognitionandconversational

AI.RemonetizingVoicewithNext-Generation5GVoiceandVideoServices|February

2024TheUnavoidableTransitionto

VoLTE/VoNRWWW.GLOBALDATA.COM©GlobalDataPlc2022|

4Mobilenetworkoperators(MNOs)aregoingthroughaninescapablevoicenetworktransition:Allhaveeithermovedfromcircuit-switched(CS)voicetoVoLTE/VoNRorwillsoon.ThisisinevitableduetoCSnetworksgoingEndofLife(EoL),theneedtorefarmCSspectrumtoserve4Gand5Gbandwidthdemands,andthegreaterefficiencyofmodernnetworks.Fortunately,thisunavoidablecapexcoincideswithnewopportunitiesforvoice

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

revenue.Voiceoncellularmobilenetworkshasevolvedthroughtwogenerationsfrom2G/3Gcircuit-switchedcallingto4GVoiceoverLTE(VoLTE),andisnowembarkingonthethirdgeneration,VoiceoverNewRadio(VoNR).TheGSMAIntelligenceforecaststhat70%ofmobilevoiceconnectionswilluseeitherVoLTEand/orVoNR(VoiceoverNewRadio)by2030.Asmoreandmore2Gand/or3Gnetworks

are

shut

down

across

the

globe,

and

as

5G

rollouts

continue

at

a

steady

pace,

VoLTE/VoNRcoverageandadoptionandcoveragewillalsocontinuetoexpand

accordingly.Mobile

Network

Operators

(MNOs)

are

at

different

stages

of

their

network

refresh

with

most

havingbuiltoutsignificantgeographicandpopulationcoveragewiththeir4GLTEnetwork.MostMNOshavenowimplementedVoiceoverLTE(VoLTE).ForthoseMNOsthathaveimplemented5GStandalone(SA)theycanmovetoVoiceoverNewRadio(VoNR)andmarketthebenefitsofnewaddedfunctionality,improvedreliability,andbettercallquality,thelattermadepossiblebynewaudiocodecsthatprovidebetterclarityand

fidelity.2.1IMSwillcontinueastheFoundationforVoiceandVideoServicesBothVoLTEandVoNRrelyontheIPMultimediaSystem(IMS)platform,whichunderpins4G’sEvolvedPacketCoreaswellasthe5GCore.ThiscommonfoundationmeansthatmoneyspentonVoLTE-basedservicesisalsopartiallyaninvestmentin5GVoNR

services.IMSisa3rdGenerationPartnershipProject(3GPP)referencearchitecturethatwasdevelopedwiththe

first

4G

LTE

specifications

in

2009

with

the

goal

of

ensuring

global

interoperability

and

scalabilityofvoiceandvideocommunicationservicesbuiltontheInternetProtocol

(IP).RemonetizingVoicewithNext-Generation5GVoiceandVideoServices|February

2024WhatmakesIMSsoattractive,especiallyinthe5Gera,isthatitcansupportawiderangeofvoiceandvideocallingcommunicationsservicesincludingnew,innovativeandimmersiveservicesthatcancapitalizeonthenewtechnologiesofAIandAR.IMSprovidesthefollowing

benefits:UnifiedCommunicationsInfrastructure.UsedbybothVoLTEandVoNRwhichmeansitisacommon,unifiedcommunicationsinfrastructureforbothLTEand5G

NR.CloudDeployment.Canbeimplementedinthecloudandthuscansupporthypervisorsandlightweightcontainersprovidingmoredynamic

applications.Carrier-Grade.Providescarrier-gradequalityofserviceand

reliability.Internetworkingbetweendiversedevices.Enablessecurecommunicationsbetweendiversedevicesacrossdiverse

networks.Roaming.Deliversseamless,uninterrupted

roaming.InterfacetoMediaGateways.CanbeusedforinterfacingtoSignalingGateway(SGW)forfixedlineSS7connectivity,supportstheMediaGatewayControlFunction(MGCF)forinteroperability

with

the

PSTN,

and

interfaces

to

the

Media

Resource

Functions

(MRF)

whichprovidesmedia-relatedservicessuchastheplayingoftonesanddigital

announcements.Single-numberSolutions.WithIMSitispossibletocreatesingle-numbersolutionswithsupportbeyondsmartphonessuchassmartwatches,smartspeakers,andmultipleSIM/eSIMsonthesame

device.Anti-Fraud/Anti-Spam.PreventionofnuisanceandfraudulentcallscanbecarriedoutwithIMS.ConvergedFixed/MobileAccess.IMScanbeusedtobuildconvergedmobileandfixedaccessnetworksItistheinteroperabilityofIMSthatenablesoperatorstorealizeconvergedfixedandmobilenetworksandforvoice/videocallstobeconnectedbetweendifferentoperatorseveniftheymightbeusingdifferentcommunication

protocols.2.2TheIMSDataChannelIstheNextGenerationofMultimediaCommunicationsInlate2020,aspartof5GRelease16,the3GPPaddedapowerfulnewfeaturecalledtheIMSdatachannel.Thisdatachannelcanbebondedwiththevoicechannelandavideochannel,deliveringavarietyofdataand/orvideoservicesinsyncwiththevoicechannel.Thisenablesintegrationwiththenativedialler,theabilitytoinitiatemultimediaservicesviaavoicecall,andtoprovidereal-timeserviceslikeautomatictranslationand

transactions.TheadditionalcapacitythatthedatachanneloffersmeansthatARandvideowillbeabletobedeliveredwithhigherqualityandfidelityin5Gimplementations,butitwillalsobeavailablein4Gimplementations,

albeit

with

higher

latency

and

lower

bandwidth.

Thus,

for

MNOs

that

are

still

inWWW.GLOBALDATA.COM©GlobalDataPlc2022|

5RemonetizingVoicewithNext-Generation5GVoiceandVideoServices|February

2024theearlystagesoftheir5Groll-out,thedatachannelcanbemadeavailableto4Genduserstodothingslikesharescreencontentandwatchvideo

clips.ThedatachannelcanbeusedinparallelwithothermediatypessuchasaudioandvideointheMultimediaTelephone(MMTel)service(SeeAppendixformoredetailsonthearchitectureofIMS).It

does

not

require

content

to

be

formatted

in

a

specific

way,

since

it

uses

the

WebRTC

data

channelprotocol

stack

as

specified

by

the

World

Wide

Web

(W3C)

and

in

the

Internet

Engineering

Task

Force(IETF).TheIMSdatachannelenablescallerstoshareapplicationsduringvoicecalls,afeaturethatispotentiallymorepowerfulandadvancedthanOTTvoice/videocalling.WhentwousersconnectusingastandardphonecallunderIMS,theIMSdatachannelcanbeinvokedtoshareapplicationsevenifonepartyhasnotdownloadedtheapplication.ThisisapowerfulfeaturethatopensupthepossibilitiestounlimitednumberofB2BandB2Cuse;atthesametime,thedatachannelcreatesopportunitiesforbrandingandmarketing

initiatives.Figure1:IMSDataChannelenablesnewB2BandB2C

servicesSource:3GPP,GSMA

2021WWW.GLOBALDATA.COM©GlobalDataPlc2022|

6RemonetizingVoicewithNext-Generation5GVoiceandVideoServices|February

20245GNewCallingWasDesignedtoMonetizeThis

Refresh3.1Whatis5GNewCalling?5GNewCallingprovidesunprecedentedcapabilitiesformultimediacommunicationsbasedontheIMS

data

channel

in

Rel-16

combined

with

enhanced

video

communications.

MNOs

that

do

not

havethe5GCoreorRANdeployedcanstarttoofferNewCallingviaVoLTEusingLTE’sspectrumandbandwidth.SincetheIMSdatachannelfirstappearedinthe3GPPstandardsprocess,operatorshavebeenexperimentingwithusingittoenablenewservices.TheearliestactivitywasinChina,whereMNOsimplementedthe5GcoreandVoNRearlyon.Asmomentumincreased,theGSMAandMNOsfromaroundtheworldfoundedaNewCallingtrackoftheGSMAfoundryinMarch2023.TheFoundryhelpsMNOssharebestpracticesandnewNewCallingservicestoencouragequicker,morewidespread

adoption.DataChannelValue

ChainTheIMSdatachanneloffersanewcontentdistributionmechanismwhichMNOscanleveragetosell

wholesale

to

content

providers.

Figure

2

shows

the

IMS

data

channel

value

chain

for

businesses,whileFigure3showsthevaluechainforMNOs.Thekeypointhereisthatinthepast,priortothedatachannel,theprovidervaluechainwasbasedontheownershipofallthecontentaswellastheprocessesusedtodelivervoiceservices.Withthedatachannel,thevaluechainisextendedtoincludeappsandcontentthataredeliveredon-demandinreal

time.Source;GSMA,

2021VoiceBusinessProductCatalogueWWW.GLOBALDATA.COM©GlobalDataPlc2022|

7ContentRightsChannels

&ContractTypesOnlineServicesBilling

andRevenueAssuranceEnablingVoiceTechnology&

ServicesWebEnablingTechnology&

ServicesConnectivityDeviceUserInterfaceUserFigure2:DataChannelvaluechainfor

businessRemonetizingVoicewithNext-Generation5GVoiceandVideoServices|February

2024Source;GSMA,

2021AccordingtotheGSMA,ecosystemplayerswill

include:Datachannelcontent

ownersDatachannelcontent

creatorsDatachannelserver

providersDatachannelcontent

deliveryIntermediariesDigitalrights

management/billingIn

many

cases,

one

company

will

perform

more

than

one

role,

but

to

maximize

revenue

generation,theservicechainshouldbeconnectedbyindustrystandardAPIsandstraightforwardcommercialrelationships.Value-addedservicesbasedonthebondedvideo

channelThe

Data

Channel

Signal

Function

(DCSF)

and

new

Media

Function

(MF)

were

proposed

by

the

GSMAwithmuchofthedetailslefttothevendorstoimplementastheyseefit.TheMFexecutesIMSdatachannelmediaoperationssuchascreationandclosureofbootstrapdatachannel(s).TheseDCSFandMFwereproposedbytheGSMA.Itispossibletoenableexisting4Gterminalstosupportsomevisualandadvancedservicessuchasintelligenttranslationandvirtualbackgroundservices.Long-term5G,terminalswillprovidethebestbandwidthinthedatachannel.MNOsthatarestilllargelyusingVoLTEtoprovidevoiceservicescangetstartedwithNewCallingbyintroducingservicesbuiltonthevideochannelaswellassimpledatachannel-based

services.Content

DeliveryUserUser

InterfaceDeviceVoice

ConnectivityEnabling

VoiceTechnology&ServicesBilling&RevenueAssuranceChannels

&ContractTypesVoiceBusiness

ProductCatalogue5GC

ConnectivityMBBBusiness

ProductCatalogueInternetAPNContentWWW.GLOBALDATA.COM©GlobalDataPlc2022|

8Content

RightsApplication

ServersJSHTMLCSSWebEnablingTechnology&

ServicesIMS

APNIMS

CoreDCSFigure3:IMSdatachannelvaluechainfor

MNOsRemonetizingVoicewithNext-Generation5GVoiceandVideoServices|February

2024Value-addedservicesbasedonthebondeddata

channel5G

New

Calling

is

essentially

a

native

technology

that

is

embeddedin

the

mobile

phone

without

theneedtodownloadanyapplication.5GNewCallingsupportsbothVoNRandVoLTE.TerminalsthatsupportNewCallingcanalsobeusedtoprovideinteractiveandimmersiveservicessuchasintelligentcustomerservicesand

AR.Thebenefittoconsumersistheemergenceofnewfeaturessuchasmulti-streamteleconferencingwhereauserequipment’s(UE’s)spatialsoundcanbetransmittedtootherparticipantsinthecall,XRconversationalservices,virtualavatars,content/screensharingandotherinteractiveservicesincludingvoicetranscriptionforpeoplewithhearinglossandintelligenttranslationservicesforbusinesspurposes.AItechnologyisextensivelybeingusedforpatternrecognitionandmachinevision.5GNewCallingFeaturesSomeoftheapplicationsofNewCallingthatwediscussinthispapercouldalsotheoreticallybehandledbyOTTapplications.Why,then,shouldMNOsinvestinanotherlayerofinfrastructurethatcompeteswithcapabilitiesthatalready

exist?Theanswerisatleast

fourfold:Not

all

New

Calling

use

cases

can

be

easily

duplicated

by

over-the-top

applications,

especiallythosethatinvolvecloseintegrationbetweendatafeaturesandtheincreasingqualityofcarriervoice.TheintegrationofdataandvideowithnativehandsetfeatureslikethediallercancreategreaterqualityofexperiencethanOTTapplications.Implementedproperly,NewCallingcanprovidebetterperformancethanOTTapplicationsthatrelyonabest-effortwebmodel.Shortersetuptimescangettheusertotheservicemorequickly,andthededicated,bondeddatachannelcanprovidelower

latency.Industry

standards

for

5G

New

Calling

provide

for

seamless

interoperability,

making

5G

NewCallinggloballyavailablefor4G/5Gusersthatarecustomersofdifferent

MNOs.Takentogether,thesefeaturescanprovideMNOsanexperienceadvantageoverOTTservicesthattheyhavenothad

before.NewCallingrequiresnodevice-sideclientTheIMSdatachannelenablescallerstoshareapplicationsduringvoicecalls,afeaturethatispotentiallymorepowerfulandadvancedthanOTTvoice/videocalling.WhentwousersconnectusingastandardphonecallunderIMS,theIMSdatachannelcanbeinvokedtoshareapplicationsevenifonepartyhasnotdownloadedtheapplication.Thebeautyofthedatachannelisthatthemorespectrumthatisavailable,themorebandwidthcanbeallocatedtotheIMSdatachannel.Forexample,

as

operators

add

mmWave

to

their

network,

the

IMS

data

channel

bandwidth

can

increaseproportionally.WWW.GLOBALDATA.COM©GlobalDataPlc2022|

9RemonetizingVoicewithNext-Generation5GVoiceandVideoServices|February

2024WWW.GLOBALDATA.COM©GlobalDataPlc2022|

10Thismeansthatbandwidth-intenseapplicationssuchasAugmentedRealityhaveapathtoscaleintermsofperformanceandbandwidth.Multipledatachannelscanbemappedtogetherorbondedtoprovidemoreandmorebandwidth.Applicationscanbestoredinthecloudandexecutionoftheapplicationscanalsotakeplaceinthecloud.Dataapplicationsaredeliveredtotheuserequipment(UE)terminalusingHTMLandJavaScriptinanopen

architecture.End-to-end

solutionsEnd-to-endsolutionscanintegratewithVoLTE/VoNR(NewCalling)overIMS,EPCand/or5GCore.Standalone5GCoreisthefuturedirectiontoamoreadvancedsuiteofpotentiallynewandexcitingmultimedia

services.

MNOs

and

application

developers

can

use

the

5G

Core

NEF

(Network

ExposureFunction)andIMStointegrateorembedVoNR(NewCalling)into

applications.Enablingtheecosystemthroughcapability

exposureProgrammability

of

the

5G

New

Calling

service

via

the

NEF

and

IMS

APIs

makes

it

possible

for

MNOsto

introduce

new

and

exciting

multimedia

services

such

as

screen

content

sharing,

push-to-talk,

andbundledserviceswithsmarthomeandbroadbandconnectivityservices.WiththeintroductionoftheIVAScodecin3GPPRelease18,itwillbepossibletogoevenfurtherwithservicessuchastransmittingthe3Dspatialsoundexperienceofaparticipantinateleconferencing

call.ConversationalAI,AR,and

avatarsGenerativeAIbasedinthecloudcanbeintegratedonaSaaSbasisintoappsandservices.Theadditional

access

to

bandwidth

that

the

IMS

data

channel

provides

will

make

avatars

and

embeddedARfeasiblewith5GNewCalling.ConversationalAI,ARandavatarscanallbecombinedtocreateinnovativeservicesrangingfromreal-timetranslationtoanimationstriggeredbythe

conversation.Thecloud-basednatureofNewCallingpresentsanadditionaladvantagefordeviceswithtightformfactorandlimitedbatterypowersuchassmartglasses.Inthiscase,NewCalling-enabledvoicecommandscouldbecomeadefiningpartofthesmartglass

experience.Provisionofunifiedandintegrated

solutionsIntegratedsolutionscanbebuiltusingthe5GCoreAPIsandtheNetworkExposureFunction,IMS(includingtheMMTel)APIs,andotherapplication

functions.userid:549683,docid:155055,date:2024-07-25,RemonetizingVoicewithNext-Generation5GVoiceandVideoServices|February

20245GNewCallinginPractice4.1ConsumerversusBusiness

ScenariosWWW.GLOBALDATA.COM©GlobalDataPlc2022|

11Customer

serviceCustomerservicecanbeenhancedbyofferingcustomersvisualsupportonthemobilephonescreens.ConversationalAIcanalsobedeployedtoscreencallsandhelpdirecttothenextavailableandsuitableservice

agent.Business5GNewCallingcanenableenterprisestooptimizetheworkprocess,improveworkefficiency,andcreatehighereconomicandsocialbenefitsthroughenhancedbusinessfeatures,multimediacallingcards,businessshorthand,intelligenttranslation,anddocumentsharing.5GNewCallingcanalsobeusedtodevelopinternalcompanycallingservicescompletewith

biometrics.Customerscancallabusinesstoplaceanorderforaproductorservice,forexample,andthemenuwillbedisplayedontheuser'sscreenwhenthecallisconnected;thecustomerservicehotlinecanbefullyautomatedbutifthebusinessbelievestheystillneedtomakeahumanavailabletoanswermorecomplexrequests,thenarepresentativebuttoncanbedisplayedontheus