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February 20, 2007

LBS Roaming Settlement Conference Call May 7th, 2007. February 20, 2007. LBS Roaming Initiative Update. LBS roaming initiative quickly nearing completion “PDE transaction method” identified as industry solution for user plane user Still need to finalize settlement component

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February 20, 2007

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  1. LBS Roaming Settlement Conference Call May 7th, 2007 February 20, 2007

  2. LBS Roaming Initiative Update • LBS roaming initiative quickly nearing completion • “PDE transaction method” identified as industry solution for user plane user • Still need to finalize settlement component • Need to capture all work in a CDG reference document • Two conference calls and Tampa meeting planned • LBS Roaming Settlement Conference Call, May 7th, 2pm Pacific, 858-845-5000 (ID=3333, PW=3333) • LBS Roaming Solution Document Review, June 7th 2pm Pacific, 858-845-5000 (ID=9999, PW=9999) • Final Face to Face Meeting, June 15th 2007 2:45 p.m. (Tampa Bay Area)

  3. Review of Transaction-Based Solution Visited operator Home operator Network connection CRX or Internet MIP/L2TP tunnel AAA AAA HA PDSN FA PDSN V-PDE RAN PCF H-PDE RAN PCF RPC-like interface that enables a transaction-based service H-PDE detects the MS is roaming and sends IS-801 primitive service requests to V-PDE. IS-801 traffic RPC-like interface

  4. Overview of Settlement • Refers to financial settlement between operators • Remuneration for services provided to inbound roamers • Currently performed between operators for packet data roaming. Settlement charges are calculated by the kilobyte. • Operators indicated this will be a requirement for LBS roaming • LBS roaming will consume V-PDE resources • In many cases, LBS roaming volumes between operators will be asymmetrical • This slide deck investigates LBS roaming settlement for the “remote transaction solution” for user plane LBS roaming

  5. Status of Settlement Solution • General agreement on LBS usage record solution • Open questions: • Will CRX be used for settlement? • Create general usage record for multiple applications? (raised in Macau) • Use existing billing records, e.g. UDRs or DIAMETER billing records (raised in Macau)

  6. Will CRXs be used in settlement? • Recommendation: Make CRX generation/settlement optional in CDG reference document Visited operator Home operator CRX or Internet AAA HA AAA PDSN FA PDSN V-PDE RAN PCF H-PDE RAN PCF

  7. Strawman Location Billing Record (LBR) • Strawman specifically designed for remote transaction solution • Strawman is based on proposed inter-PDE protocol • Assumes: • Billing/Settlement are performed on a per transaction basis • Operators want details of each PDE transaction • Summaries can be generated using LBRs on a periodic basic, e.g. monthly • No LBR generated for keep alive messages • Detailed logs will also be available on PDEs – possible that LBRs are generated from logs

  8. LBR fields

  9. Modify LBS to be application billing record? • Do we expect other applications to need similar billing records? (normally MS accesses home server) • Can we anticipate the need of future applications? • Would we compromise the LBR record by trying to accommodate future unknown applications?

  10. ABR – Application Billing Record?

  11. RADIUS/DIAMETER UDRs for LBS billing • UDRs normally for general data access by users • LBS records only needed for settlement • Desirable to have LBS billing records in normal billing stream? • UDR well suited for information required for LBS billing?

  12. Used RADIUS/DIAMETER UDRs?

  13. UDR continued…

  14. UDR continued…

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