Facilitating the deployment of international roaming service for CDMA operators around the world Carrier Only Session CDG International Roaming Team Maastricht Meeting CDG INTERNATIONAL ROAMING TEAM July 14-16, 2009 Maastricht, Netherlands Sponsored by: Vodafone Netherlands Theme: CDMA Inter-standard Roaming

2Facilitating the deployment of international roaming service for CDMA operators around the world 2. Financial Clearing House Peering Kyoko Uchida CDG IRT co-chair

3Facilitating the deployment of international roaming service for CDMA operators around the world Financial Clearing House Peering 1.Background –MACH has been the only company to provide Financial Clearing House (FCH) service to CDMA carriers(Carriers). –Syniverse newly started to provide FCH service since late Benefit of using FCH service –Carriers can enjoy ONE STOP inter-carrier settlement with its Roaming Partners(RP) using FCH service. 3.Current issue (Please refer to Appendix I) –Carriers which are using different vendors’ FCH service cannot enjoy ONE STOP inter-carrier settlement, which diminish the benefit of FCH service and increases burden (Bilateral settlement) on Carriers.

4Facilitating the deployment of international roaming service for CDMA operators around the world Financial Clearing House Peering 4.Benefit of achieving FCH peering –FCH service become attractive to Carriers as more Carriers participate in the service. FCH vendors can explore more business possibilities with carriers which currently do NOT use FCH services. –Carriers can keep enjoying benefit of using FCH services (ONE STOP inter-carrier settlement). 5.What has been done –CDG IRT contacted MACH and Syniverse to request peering to each other. –CDG IRT requested Ms. Sara Aab and Mr. Daniel Salek to lead/moderate FCH peering for CDG IRT. –MACH and Syniverse agreed to accomplish FCH peering.

5Facilitating the deployment of international roaming service for CDMA operators around the world Financial Clearing House Peering 6.What requirements do we want for FCH peering? Goal Date for FCH peering? 7.Timeline for carriers’ action items –Collect carriers ’ requirements by August. 31, 2008 –Set up a teleconference to review the requirement in early September –Provide carriers ’ requirement with FCH in mid-September –(FCHs present their peering status and when to be completed at Kansas City Mtg)

6Facilitating the deployment of international roaming service for CDMA operators around the world Appendix I FCH SyniverseFCH MACH DCH MACH DCH VeriSign DCH Syniverse CRX Aicent CRX VeriSign CRX Syniverse CIBER Radius Report Carrier A Carrier B Carrier C Carrier D Invoice Net Settlement through FCH Net Settlement NOT available Bilateral settlement required Net Settlement through FCH