ITU Workshop on International Roaming Session-10a

7/28/2019 ITU Workshop on International Roaming Session-10a

1/22

International Roaming and International Traffic TerminationITU ASP COE Training Workshop, Marriott Pattaya 5th Oct. 2010

Petter Pedersen, Senior Vice President, Head of International Business


2/22

Roaming:

Is

defined

as

the

ability

for

a

customer

to

make

and

receive

calls,

send

and

receive

data,

oraccessotherserviceswhentravellingoutsidethecoverageof thehomenetworkby

meansofusingavisitednetwork.

Airportpicture


3/22

NetworkSelection

Callhandling

Data

clearing,

financial

clearing Howtomakearoamingagreement

Dataroaming

Prepaid

roaming Steeringandantisteeringoftraffic

Wholesaleanddiscounts

Retail

pricing Commercialissuesrelatedtowholesale

Content:


4/22

Example:1.AnAustraliancustomerarrivesThailandandturnson

hisphone.

2.Thephonewillsearchforavailablenetworks(home,lastused,

preferrednetworks,availablenetworks)

3.ThephonewillselectanetworkandsendaLU(Location

Update)requesttohishomenetwork.

4.Thehomenetworkwillcheckifroamingisopenedwiththe

requestednetworkandifthecustomerhasroamingservice.

5.Ifallok,thehomenetworkwillsendaLUconfirmation,

includingserviceprofile,tovisitingnetwork(andkeepinformation

aboutwhichvisitingnetworkthecustomerisusing)

AutomaticNetworkSelection

Manualselection:

Thecustomermayalsomanuallyselectnetwork

usingappropriatemenustructuresofhisphone.


5/22

Example(acallfromanAustraliancustomerroaminginThailand):

1.Thevisitednetworkwillchecktheserviceprofileofthevisiting

customerandsetupthecallasifthiswashishomenetwork.

2.

The

visited

network

will

create

a

CDR

(Call

Detail

Record)

of a

MOC(MobileOriginatedCall)containingallinformationneeded

forcharging(thecallersnumber,thecallednumber,durationof

thecall,++.)

3.ThevisitednetworkwillcollectCDRsofcallsfrom/tovisiting

customerof

the

different

roaming

partners,

rate

the

calls

(typical

inSDRs)andsendadatafiletoaDataClearingHouse.

4.TheClearingHousewillvalidatethedataandsendthefilesto

respectiveroamingpartners.

MakinganOutgoingCallwhenroaming

5.Theroamingpartnerswillusetheinformation

inthereceiveddatafilesasbasisforcreatingabill

totheircustomers.


6/22

Example(acalltoanAustraliancustomerroaminginThailand):

1.TheincomingcallwillgotothehomenetworkinAustralia.

2.Thehomenetworkhasregisteredthatthecustomerisvisiting Thailand

andwillsendamessagetothevisitednetworkinThailandaskingfora

roamingnumber

(MSRN)

3.Thevisitednetworkwilltemporaryallocatearoamingnumberand

informthehomenetworkoftheAustraliancustomer.

4.Thehomenetworkwillusetheroamingnumberandsetupthecallto

thevisitednetworkwhichwillalertthecustomerofanincoming call.

5.Thecustomermaynowanswerthecall.

ReceivinganIncomingCallwhenRoaming

6.ThehomenetworkwillproduceaCDRforaMTC(Mobile

TerminatedCall)fromAustraliatoThailand

7.The

visited

network

will

also

produce

aCDR

for

aMTC

(MobileTerminatedCall),collectCDRsandsendtoClearing

House.

8.ThehomenetworkwillcollectandcombineCDRsinorder

tocreateabillforthecustomer.


7/22

DataClearingHouseandFinancialClearingHouse

DCH/FCH

Usagedataaretransferredbetweenroaming

partnersthroughaDCH(DataClearingHouse).

Financial

net

settlements

may

be

bi

lateral

or

inmostcasesthroughFCH(FinancialClearing

House)

Fraudprevention

HURprocess(HighUsageReport)Monitoring

volumeperSIMcardandifaboveagreedlevel

fora24hoursperiod,mustinformhome

operatorwithin12hours.

FromOct2008NRTRDE(NearRealTime

RoamingDataExchange).Musttransferindividualusagedatatohomenetworkwithin

4hours.


8/22

How

to

make

a

roaming

agreement?

Forexpansionofexistingbasic

voiceagreements

with

other

services(prepaid,data,3G)

documentshavetobe

updatedandnewtestsmust

executed.

Negotiate Test IREG TADIG Launch Operation

RoamingDept.

Negotiate

conditionsof

IRA

Exchange

documents

RoamingDept.

Exchange

SIM

cards

Distributedocs

internally

IREGteam

Load

IR21

Scheduletests

withotherIREG

team

RequestSS7

connection

RoamingDept.

Escalate

test

problemswith

otheroperator

IREGteam

CompleteIR

24andpassto

TADIGteam

Supportthe

otheroperator

oncompleting

ownIR24

Support

TADIGteam

withretests

Receiveown

IR24

RoamingDept.

Escalate

test

problemswith

otheroperator

TADIGTeam

FindIR24calls

onownTAPfile

Validateown

TAPfilebefore

sendingtothe

otheroperator

ValidateTAPfile

received

and

issueTCC

Supportthe

otheroperator

onissuingTCC

ReceiveTCC

RoamingDept.

Agree

on

launchdate

Informinternal

areas,DCHand

FCHofagreed

launchdate

PrepareandsignCLL

RoamingDept.

IREGTeam

TADIGTeam

Marketing

Fraud

Finance

CarrierService


9/22

Dataroaming

Theabilitytouseyourmobilenumberfor

send/receiveemails,MMSandbrowse

internetwhenyouaretravelingabroad.

RetailCharging

PerVolumecharge(ie.kByte,MByteetc)

Perdaycharge(ie.1d,3d,7detc)

Smartphone

program

will

sometimes

auto

connecttotheinternet,andcustomersmay

unintentionalgetdataroamingcharge.

Tips :Checkforpromotionrateand

suggestionfromyourhomeoperatorbefore

traveling.


10/22

Prepaid roaming

The ability to bring prepaid mobilephone to use abroad. Now there are 2technology serving for prepaid roamers

1.Call Back Services same asnormal roaming, but limited forincoming call using only.

- require special prefix as arequest to call-out when abroad

ie. dial *123*destinationphone number#

then call requested will be

terminated, and ring back as incoming callwhen call connected.

2.CAMEL service same experienceas normal roaming, and real-timecharging with out any special prefixedrequired


11/22

Steeringofroamingtraffic.

Duringthelast45yearssolutionshavebeenmadeavailableforsteeringof

roamingtraffictopreferredpartner(s).

Thebusinesslogic isthatifanoperatorcommittosteeranagreedvolumeof

roamingtraffictoapreferredpartner,thepartnerwillgiveadiscounton

roamingprices;

i.e.

reduce

cost

of

roaming.

Mainlytwosolutionsareused:

Signaling/networkbased

steering

(rejecting

LU

requests)

SIMbasedsteering(preferredpartnersstoredontheSIMcard)

Thebeststeeringresults,withoutcompromisinguserexperience, willbe

achievedwith

use

of

both

methods

simultaneously.

Aggressiveuseofnetworkbasedsteeringmaysignificantlyimpactuser

experience;i.e.thedurationofnetworkselectionprocess.


12/22

Example of traffic steering


13/22

Wholesale anddiscountagreements.

MOCVolume

0-100k 0 %

100-200k 10 %

200-> 20 %

SMSVolume

0-50k 0 %

50-100k 20 %

100-> 40 %

Wholesaleagreementswithdiscount

toapartnerwhocommittodefined

volumes,aretypicallymadeforoneor

twoyears.

Discountsstructure

will

be

agreed

basedonpartners retailpreferences

(Data,SMS,MOC,MTC)

Discountsettlementistypicallydone

withaCN

(Credit

Note)

at

the

end

of

theagreementperiod.


14/22

SteeringandAntisteering

Anagreementforsteeringofroamingtrafficisapositivewinwin

businessdeal:

Visitedoperatorwillsecurerevenuefromhighervolumeoftraffic

(bygivingdiscount)

Homeoperatorwillgetreducescostforoutboundroaming(may

improvemarginsand/orreduceretailprices

Enduserswillbenefitfromreducedretailprices

Antisteeringisanopportunisticonesidedapproach:

Thevisitedoperatorwillgetroamingtraffic(withoutgiving

discount)

The

cost

of

roaming

for

the

home

operator

will

increase

(if

he

has

a

discountagreementwithanotheroperator)

Enduserpriceswillbehigher


15/22

Howretailpricesareset

Retailpricesaresetbythehomeoperatorofthecustomer

Costofretailpricesaremainlydeterminedbycostfromroamingpartner

(visitednetworks operators)

Typicalmark

up

on

top

of

cost

from

roaming

partner

is

20

25

%

Operationalcost,invoicingcostandlossfrombaddebtfromnonpaying

customershavetobecoveredbythehomeoperator

Differentmethods

of

retail

pricing

are

used:

Straightmarkuponallcostelements;quitedifficultforcustomerasthere

willdifferentpricesusingdifferentoperatorsinvisitedcountry

Specialpriceifcustomerisusingoneparticularoperatorinvisitedcountry;

quitedifficult

for

customer

to

control

which

network

to

use.

Homeoperatoraverageoutcostvariationsbetweendifferentnetworksand

offeronepricepercountry.


16/22

Commercialissues

from

wholesale

agreements:

Trafficbalance

LowvolumeoutboundfromThailand

HighvolumeinboundtoThailand

Outboundvolumedrivecost;i.e.wewantunitcostdown

Inbound

volume

drive

revenue;

i.e.

we

want

unit

cost

highMoredevelopedcountrieshavenetoutboundtrafficbalance

Lessdevelopedcountriesandinparticularpopulartourist

destinationshavenetinboundtrafficbalance.


17/22

Commercialissues

from

wholesale

agreements:

Bigguyvs.smallguy

LowvolumeoutboundfromThailand

HighvolumeinboundtoThailand

Somebigoperatorsdonotacceptbalanceddiscountagreements;

i.e.as

they

have

bigger

traffic

volume,

they

will

require

deeper

discountthantheywillgivetothesmallguy.

Consequence:Thesmalloperatorcannotofferasattractiveretail

pricesforroamingasthebigoperators.


18/22

Commercialissuesfromwholesaleagreements:

IPT(Related

Parties

Transactions)

regulations

on

SET

IPTisbasicallyamechanismtosecurefairtreatmentofallshareholders.

DTACcannotgiveanypreferentialtreatmentinanybusinessagreementwith

anyshareholders.

X minY% discount

X minY% discount

Relatedto

wholesale

agreements;

shareholderpartnerswillgetthesame

discountasotherswithsimilar

volume.


19/22

SomeissuesrelatedtodataroamingandSmartPhones

Autoconnect

Billchock

Alertingofusage


20/22

Whataboutinternationalroaminginthefuture?

Trends:

Allwillbedata

Customerswill

use

clientSWonsmart

phonetomakevoice

calls

Traditionalvoice

roamingwill

be

a

premiumservice

WillWiFiroaming

replacetraditional

roaming?


21/22

Someregulatoryissues

Equalplayingfieldsforoperators

Predictability

Pricedeterminedbyregulationsorbymarketcompetition?

Servicequality;regulatedminimumleveloroneelementofcompetition?

Consumerinterest?


22/22

Confidential

22

ThankThankYouYou

Documents

ITU Workshop on International Roaming Session-10a