VoIP Clearinghouse Update

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VoIP Clearinghouse Update

  1. 1. VoIP Clearinghouses: Update Spring VON ’03 Session 24
  2. 2. <ul><li>Richard H. Brennan </li></ul><ul><li>Vice-Chair: ETSI-TIPHON </li></ul><ul><li>TEL XX IS LLC </li></ul><ul><li>1670 South Amphlett Blvd. </li></ul><ul><li>Suite 214, No. 1018 </li></ul><ul><li>San Mateo, CA 94402 US </li></ul><ul><li>+1 510 543-4726 </li></ul><ul><li>[email_address] </li></ul>
  3. 4. ETSI TIPHON ™ OSP Overview Spring VON ’03 Session 24
  4. 5. ETSI Project TIPHON <ul><li>ETSI - European Telecommunication Standards Institute </li></ul><ul><li>TIPHON - Telecommunications and Internet Protocol Harmonization over Networks </li></ul><ul><li>S tarted in May 1997 with short term goals to standardize the H.323 gateway </li></ul><ul><li>In 2000 , refocused to develop the specifications (protocol profiles and test suites) to enable end-to-end telephony and multimedia communications services over Next Generation Networks </li></ul>
  5. 6. Open Settlement Protocol OSP
  6. 7. Business Issue: <ul><li>H.323 </li></ul><ul><li>SIP </li></ul><ul><li>3GPP SIP </li></ul><ul><li>IP Cablecom SIP </li></ul><ul><li>… Protocol choice doesn’t matter if you can’t find the other end! </li></ul>
  7. 8. The Problem: Ethernet Switch Router PSTN PSTN PSTN PSTN Internet or IP Network €£¥$ call Originating Domain Terminating Domain ? Service Provider POP V V
  8. 9. Back-End Services (BES) Model Ethernet Switch Router PSTN Service Provider POP PSTN PSTN PSTN Internet or IP Network Originating Domain Terminating Domain V V V V V Distributed Servers Back-End Server (BES)
  9. 10. Settlement Ethernet Switch Router PSTN PSTN PSTN PSTN Internet or IP Network Collect €£¥$ Pay €£¥$ V V V V V Distributed Servers Back End Server (BES)
  10. 11. Clearinghouse Functions <ul><li>Facilitates out-of-domain Authentication </li></ul><ul><li>Provides per-Session Authorization </li></ul><ul><li>Issues Secure Token for Inter-domain Calls </li></ul><ul><li>Provides far-end Service Location addresses </li></ul><ul><li>Collects Call Detail Records (CDR) </li></ul><ul><li>Creates a Settled Call Record using wholesale rate tables. </li></ul><ul><ul><li>May hold business risk on PSTN fallback </li></ul></ul><ul><li>Issues debit / credit to Service Providers </li></ul>
  11. 12. OSP - What is it ? <ul><li>OSP is a protocol for the exchange of authorization, service termination location, and usage information… </li></ul><ul><li>between service provider domains. </li></ul><ul><li>OSP is independent of other protocols or hardware architecture. </li></ul><ul><li>OSP has extensibility for new services. </li></ul><ul><li>VoIP – Agnostic… </li></ul><ul><ul><li>H.323 </li></ul></ul><ul><ul><li>SIP </li></ul></ul><ul><ul><li>… others </li></ul></ul>
  12. 13. OSP can Provide: <ul><li>Call / User Authorization </li></ul><ul><li>Pricing Indication </li></ul><ul><li>Service Location Determination </li></ul><ul><li>Token Generation </li></ul><ul><li>Usage Indication (CDRs) </li></ul>
  13. 14. Open Settlement Protocol <ul><li>OSP Overview </li></ul><ul><ul><li>ETSI TIPHON: TS 101 321 v2.1.1 </li></ul></ul><ul><ul><li>Communication Protocols </li></ul></ul><ul><ul><ul><li>Secure Sockets Layer ( SSL ) Security </li></ul></ul></ul><ul><ul><ul><li>Hypertext Transfer Protocol ( HTTP 1.1 ) </li></ul></ul></ul><ul><ul><li>Message Format </li></ul></ul><ul><ul><ul><li>Multipurpose Internet Mail Extensions ( MIME ) </li></ul></ul></ul><ul><ul><ul><li>Extended Markup Language ( XML ) </li></ul></ul></ul>
  14. 15. OSP Architecture Billing Billing H.323 Zone H.323 Media Gateway VoIP Zone Clearing House SIP Media Gateway Service Control (SIP Proxy) OSP OSP Service Control (Gatekeeper) Media Signaling
  15. 16. OSP Version 3 <ul><ul><li>ETSI TIPHON: TS 101 321 v3.0.x (draft) </li></ul></ul><ul><ul><li>Add support for RFC 3261 - SIP </li></ul></ul><ul><ul><ul><li>OSP Token in SIP P-header </li></ul></ul></ul><ul><ul><ul><li>Ref: IETF - draft-johnston-sip-osp-token-03.txt </li></ul></ul></ul><ul><ul><li>New Elements </li></ul></ul><ul><ul><ul><li>DestinationProtocol </li></ul></ul></ul><ul><ul><ul><li>QualityOfService, QoSClass, QoSParameters </li></ul></ul></ul><ul><ul><ul><li>Session, SessionId </li></ul></ul></ul><ul><ul><ul><li>Group , GroupId </li></ul></ul></ul><ul><ul><ul><li>MultiSession, MSId </li></ul></ul></ul><ul><ul><ul><li>ContactId (Realm?) </li></ul></ul></ul>
  16. 17. IWF H.323 call call CallID SIP session session SessionID MultiSession MSId Group GroupId GroupId GroupId SessionID CallID
  17. 18. OSP Benefits <ul><li>Enables Service Differentiation </li></ul><ul><ul><ul><li>Competitive Market Advantage </li></ul></ul></ul><ul><ul><ul><li>Eliminate “Flat-rate” revenue dependence </li></ul></ul></ul><ul><li>Add new Services Quickly </li></ul><ul><ul><ul><li>Time-to-market </li></ul></ul></ul><ul><ul><ul><li>Innovation-friendly </li></ul></ul></ul><ul><li>Supports broad range of IP-enabled services </li></ul><ul><ul><ul><li>… Not just VoIP ... </li></ul></ul></ul><ul><ul><ul><li>Sustainable Revenue Growth </li></ul></ul></ul><ul><ul><ul><li>Future Service Development </li></ul></ul></ul><ul><ul><ul><li>Reduce customer churn with single user account </li></ul></ul></ul>
  18. 19. ETSI-TIPHON documents <ul><li>ETSI DocBox </li></ul><ul><ul><li>Open, Public access to draft deliverables </li></ul></ul><ul><ul><li>http://docbox.etsi.org/tiphon/tiphon/ </li></ul></ul>
  19. 20. Thank You! http://www.tiphon.org

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