isr service options and key considerations
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ISR Service Options and Key Considerations
IRT Meeting TampaLokdeep Singh – lsingh@worldcell.comJune 15th, 20007
ISR Challenges & Solution Components
IIF – Compliance with J038B and 3GPP2-CDMA-GPRS Roaming-X S0034 standards
GSM roaming agreements
SIM/RUIM cards
Dual-mode handsets
Data clearing and settlement
Fraud prevention
Support for home services
Customer support for GSM/GPRS
GRX connectivity*
IIF
Roaming
ClearingMMMF
Handsets
Fraud
Managmnt
SIM/RUIM
GRX
Customer Care
ISR Implementation Options
CDMA carrier hosted - Build your own IIF hosted by CDMA home carrier GSM roaming provided by a GSM Sponsor or through its own inter-standard
roaming agreements Secure SS7 connectivity to GSM networks
Hosted IIF + GSM Sponsor IIF hosted by a roaming service provider (RSB) GSM roaming agreements through a third party sponsor network SS7 connectivity to GSM networks through the GSM Sponsor Network
Fully-hosted RSB IIF hosted by a GSM carrier GSM roaming agreements provided by the same Service provider Service provider acts as a CDMA roaming partner to the CDMA home
network
Solution #1: CDMA carrier-hosted - Build your own
IIF hosted by CDMA home carrier GSM roaming provided by a GSM Sponsor or through its own inter-standard
roaming agreements Secure SS7 connectivity to GSM networks
CDMA Home NW
IIFGSM
Sponsor
GSM Visited Network
CDMA hosted IIF
DCH
TAP3TAP3
CDMAARP CDR
Feed
Solution #2: “Hosted IIF + GSM Sponsor”
IIF hosted by a roaming service provider GSM roaming agreements through a third party sponsor network SS7 connectivity to GSM networks through the GSM Sponsor Network
CDMA Home NW
IIFGSM
Visited Network
Hosted IIF
GSM Sponsor
DCH
TAP3TAP3
CDMAARP
CDR
Feed
Solution #3: Fully Hosted Option
IIF hosted by a GSM carrier GSM roaming agreements provided by the same service provider Service provider acts as a CDMA roaming partner to the CDMA home network
CDMA Home NW
RSB as
CDMA RPIIF
RSB as
GSM SP
GSM Visited Network
Fully Hosted ISR Service
DCHCDMAARP
TAP3
CIBER
TAP3
ISR Implementation - Business Considerations
Impact on existing CDMA roaming processes: Will roaming implementation process be different from CDMA-CDMA roaming? Requirements for multiple agreements (roaming, billing/clearing,
inter-operability SP)? Billing and clearing through your existing ARP?
CIBER records (Voice), CIBER 32/AAA (Data) or proprietary CDR file Multiple price points or customized zone-based billing? Net-settlement or Bilateral settlement? Currency USD or Euro/Local- Currency fluctuations? Responsibility for rejects?
Subscription fraud prevention mechanisms applicable to ISR in GSM mode?
White-label/customized offering?
Does this solution address your customer (Enterprise/Gov’t/consumer) requirements?
ISR Implementation - Technical Considerations
Interoperability Compliance with J038-B and 3GPP2 X S0034 standard for CDMA-GPRS roaming Supplementary service support, service codes Handling of TLDN- MSRN mapping Voice Mail Deposit, Voice Mail Retrieval and Notification Solutions RUIM and IS751 (Use of IMSI) support Inter-standard Data Solution
Support for MIP? GRX connectivity required? Leased lines or CRX connectivity?
SMS delivery solutions Does ISR provide increased SMS delivery footprint? SMS billing and clearing
Maintenance and node recovery handling (URD-GSM MAP “Reset”)
ISR Implementation - Technical Considerations
Service Impact on core network, existing processes, troubleshooting techniques etc. Troubleshooting and customer care process.
One step resolution is the key Visibility to GSM/CDMA traffic ( ANSI MAP, GSM MAP, AAA traffic) GSM sponsor and IIF provider integrated customer care?
Fraud Prevention Mechanisms HUR V/S CDMA Fraud NRT CDR exchange
Product Roadmap MEID, IS751, NRTRDE support
Traffic Redirection and Selective Roaming Restriction PRL management needed in GSM mode? GSM uses PLMN file that works very
differently than PRL
ISR Implementation - Technical Considerations
Handset Frequency bands ( Quad Band/Tri-band)
Support for OTA in GSM mode
Support for USSD, MN file (Voice Mail #)
Shared files in both modes (Phone book/contacts)
RUIM Support by the handset
Network Selection behavior in GSM mode- Interaction with Traffic steering if implemented
WorldCell Fully-Hosted Solution Overview
Fully-hosted ISR Solution isan IIF hosted by a GSM carrier, providing ALL components of the ISRservice, while preservingthe standard CDMA network interfaces, existing CDMAroaming processes,clearing and net-settlementprinciples
WorldCell Fully-Hosted Solution benefits
Business Considerations: Implementation and operations similar to CDMA roaming Single agreement, single point of connectivity Billing and clearing in CIBER. Net-settlement in US currency White-label offering Low CAPEX
Technology Considerations Full compliance with standards and additional custom features MIP for GPRS/EDGE roaming Support for home services, Optimal Voice Mail deposit
Service Considerations Centralized- fully hosted service One step problem resolution – Integrated IIF and GSM customer care Seamless roaming into GSM/GPRS
WorldCell Fully-Hosted Solution Overview- ISR
V-DCHSP-DCH TAP 3.XCDMADCH
ISR SP
MIP Tunnel
(GRE/ IPinIP)
GTP
CIBER
About WorldCell
Licensed GSM operator in Iceland Viking Wireless Roaming agreements: 291 Networks and 160 Countries
Roaming Service Bureau Provides interoperability and roaming services to North American and
international wireless operators Converged platform that supports voice and data across multiple
technologies including GSM, CDMA, WiFi Global Enterprise Managed Services
The leading provider of voice and data wireless services to the US Government outside the United States
Provides enterprise security to mobile devices Mobile Mind (acquired 2005)
Smart CARD (SIM/USIM) and Mobile Application Development and Management
HQ in US with regional offices in Brazil, Germany, Japan and Iceland
ISR Service Options and Key Considerations
IRT Meeting TampaLokdeep Singh – lsingh@worldcell.comJune 15th, 20007
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