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04/22/23 2
GSM roaming brokerage allows
integration of Carribean’s fragmented
mobile markets
CANTO Congress St. Kitts & Nevis, 21.06.2005
22/04/23 2
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Roaming traffic scenario (voice)
Bilateral Roaming Agreement (IRA)
HLR
SMSC
MSC
GW MSC
STPSTP
SS7(MAP)
VLR
SMSC
MSC
GW MSC
SwitchSwitch
HPMN VPMN
Voice(ISUP)
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PMN PMNBuying / Selling
Layers of the roaming businessC
om
mer
cial
En
ablin
gT
ran
spo
rt ISUP
IP
Voice Voice
GRX GRX
Roaming Coordination
SS7 (MAP)
Roaming Coordination
TAP / RAP
Invoicing/Settlement
Signalling
Clearing(DC/FC)
Signalling
Clearing(DC/FC)
Contracting, activation & administration
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List of activities
Establish SS7 Links
Perform IREG Tests
Data in Test MSCData in Billing system
Register VPLMN SIMIREG completion certificate
Generate TAP Testfile
Perform incoming TAP
Validation incoming TAPSending Test SIM‘s
Control SS7 LinksProduce IO invoice
Check out-going TAPRAP File
Fraud Control
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Spaghetti roaming
Signalling
Co
sts
PMN A
Clearing
Roaming Coordination
PMN B PMN C
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Roaming efforts & costs increasing in two dimensions
Voice Roaming
Early 90ties
20-40
Mid 90ties
50-100
2002
~400
End 90ties
100-200
Around2000
~300
Today
~500Number of
GSM Networks
SMS Roaming
Prepaid Roaming
GPRS roaming
SMS Interworking
Tomorrow
~700-1000
MMS roaming/ IW
3G roaming/ IW
Roaming Service Features
The actual GSM Roaming framework is elaborated by dominant operators, based on high traffic projections. Small networks and GSM-newcomers must be selective, or find innovative solutions.
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The goals of the GSMA RB TF (Roaming Broker Task Force)
Key2roam
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GSMA Roaming Broker Task Force – guidelines
“Roaming broker guidelines “ issued August 2001
•“Definition: A ‘Roaming Broker’ is an entity, which enables a mobile network operators subscribers to roam on one or more mobile networks where the mobile network operators have no direct contractual.”•“Obligations of a Roaming Broker: The following guidelines describe the obligations of a ‘Roaming Broker’ in different fields of operation towards the standard GSM operators.”
HomeNetwork
RoamingBroker
VisitedNetwork
Contract(Roaming Agreement)
Contract(Roaming Agreement)
Signalling Signalling
IOT(Billing)
IOT(Billing)
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The concept of the automatic signalling testing
SIM-Cards of Community Members
Customers Network
ComfoneComfone Internet
SIM-Card Server
GSM850 / 900 / 1800 / 1900
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ComfoneKey2roam
MGTPMN Code
ISPC
41 799CHERB2-061-62-061-7
Signalling Flow scheme of Key2roam – General Layout
MCC MNCMGT
PMN Code
123 0272 76
ABCK9
MCC MNCMGT
PMN Code
321 0152 44
XYZK9
MSC
GT routing tableconfiguration:
321 01 41 799DPC 2-061-6
Broker agreement Broker agreement
MSC
GT routing tableconfiguration:
123 02 41 799DPC 2-061-6
SignallingSignalling
PMNPMN
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ComfoneKey2roam
TDIRQATLIEK900001
Sender
Recipient
TAP Flow scheme of Key2roam – General Layout
H’PMNLIEK9
DCH
Inc.TAPFiles
Conv.& Clearing
Process
TDIRQK9LIEVE00001
Sender
Recipient
V’PMNIRQK9
DCH
Outg.TAPFiles
VPMN
Atheer, Irak
PMN code: IRQATBroker code: IRQK9
DCH
HPMN
Orange Liechtenstein
PMN code: LIEVEBroker code: LIEK9
DCH
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Roaming Broker Invoicing Example
Inter PMN invoice -grouped or ungrouped
PMN XA 100B 50C 20
PMN YA 200B 30
Inter PMN invoice -grouped
Clearing
Clearing
Clearing
ComfoneKey2roam
PMN A
BC
PMN X
YZ
C 45PMN ZPMN C
PMN B
PMN A
A
IOT
Comfone IOT = 300
B
IOT
Comfone IOT = 80
C
IOT
Comfone IOT = 65
A B C
IOT
IOT = 170
A
BIOT
IOT
IOT = 230
C
IOT
IOT = 45
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Standard lead time for activation of Key2roam relations
ID Task Name DurationWeek
72 653 4 8 9
1 0dDecision to establish Key2roam
2 20dExecution of the Key2roam Service Agreement and its Annexes
3 0dKey2roam Service Agreement and its Annexes signed
4 0dSignalling, DC and FC operational
5 10dSet up Network and Billing System
6 5dOne-time IREG- and TADIG Tests
7 0dKey2roam enabled
8 0dKey2roam Test Unit operational
9 10dActivation of Key2roam Relations
10 0dKey2roam Relations operational
1
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Thank you for your attention !
For further information on the topic:
Helmut BösigerSales Director Latin AmericaAv. Niemeyer 915-1401 Rio de JaneiroTel: +55 21 3204 6866Fax: +55 21 3204 6914Mobile: +55 21 8855 6866Mobile: +41 79 788 11 [email protected]
Or
Sales & Sales Support Team:
Tel: +41 31 341 1172Fax: +41 31 341 [email protected]
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