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Billing Primer

Billing Primer. TMC IT Expo – Oct 2006 Bala Janakiraman Sonus Networks. What is the problem?. How to fit next generation networking equipment into the existing OSS environment? How to bill for next generation services? How to run a profitable next generation network?.

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Billing Primer

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  1. Billing Primer TMC IT Expo – Oct 2006 Bala Janakiraman Sonus Networks

  2. What is the problem? • How to fit next generation networking equipment into the existing OSS environment? • How to bill for next generation services? • How to run a profitable next generation network?

  3. How to approach the problem • Marketing Input • Target customers • Offer definitions • Charging structures • Define usage data needs • Use cases • Call flows • Specify requirements

  4. Who is the customer? • Target customers • Residential, Small Office Home Office (SOHO), Small and Medium Sized Business (SMB), Enterprise

  5. What will you offer them? • Offer definitions • Unlimited calling, bucket of minutes, long distance, international • Charge for enhanced services, such as voicemail, conferencing, voice portal • Converged services – e.g. Mobile calls through Wi-Fi Access point

  6. How will you charge them? • Charging structures • Subscription • Dial-up/Broadband access • Time period • Wi-fi access • Bucket of minutes • Mobile phone service • Metered • Traditional telco • Pre-paid • Calling cards, content downloads from partners

  7. How will customers use the service? • Use Cases • Residential VoIP sub calls • VoIP sub on the same VoIP network • VoIP sub on other VoIP network • Local TDM number • Long distance TDM number • International TDM number

  8. How will customers use the service? • More advanced use cases • Call forwarding • Call transfer • Conferencing • Voicemail • Find me / follow me • Presence server • Video conferencing • Mobile to Wi-Fi transfer

  9. How will calls use the network? Use case: VoIP sub calls on-net sub Call flow: ASX to ASX via SIP Endpoints

  10. How will calls use the network? Use case: VoIP sub calls PSTN user Call flow: ASX to GSX to PSTN

  11. How will calls use the network? Use case: PSTN user calls VoIP sub Call flow: GSX to ASX to MGCP Endpoint

  12. How will calls use the network? Use case: VoIP sub B forwards all calls to C Call flow: A calls B; B forwards to C A C

  13. HLR How will calls use the network? Call flow: Mobile -> TA -> NBS -> GSX (make before break) √ Use case: Mobile switches to Wi-Fi GSX (MGCF) √ PSTN Mobile RAN Subsystem MSC/ VLR GSX (BGCF) √ SRX (S-CSCF) √ HSX IMX (CCCF/NeDS) Sonus IMS Core √ PSX (gsmSCF) Generic IP Network TA NBS, (P-CSCF, THIG)

  14. Typical back office data needs • Billing/Fraud • Calling/called numbers, ingress/egress trunk groups, call start/stop time, resources used (codec, app servers, media servers) • Performance Management • Latency, packet loss, jitter • Capacity Management • Minutes, average resource utilization, peak resource utilization • Web Portal • Customer data, service/feature data, call history logs

  15. The Role of Billing Mediation • Collect Network Usage (NU) data from network elements • Correlate and translate as required by OSS applications • Distribute to back office applications To help carriers run profitable and efficient networks

  16. Billing Mediation Architecture Example

  17. Specify requirements • Traffic level • Latency • Where to record usage data • Filtering rules • Data formats (AMA, IPDR, etc) • Data interfaces (FTP, AMA DNS, Stream, etc) • To correlate or not • Storage/archive

  18. Thank You Bala Janakiraman bjanakiraman@sonusnet.com

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