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aHIT! AG Mission

Applications over Harmonized IP Telephony (aHIT!) Activity Group Interoperability Requirements for SIP/H.323 Interworking. aHIT! AG Mission.

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aHIT! AG Mission

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  1. Applications over Harmonized IP Telephony (aHIT!) Activity GroupInteroperability Requirements forSIP/H.323 Interworking

  2. aHIT! AG Mission To promote, facilitate the deployment and implementation of seamless, reliable and secure interoperable IP Telephony and Multimedia applications across multiple networks serving the needs of customers worldwide utilizing international, open standards and technical specifications

  3. aHIT! AG Goals • Develop and publish IP Telephony and Multimedia interoperability technical requirements based on international, open standards • Encourage, define and participate global IP Telephony and Multimedia applications trials between member service providers and vendors • Provide a forum for open technical exchange • Support, promote and participate IMTC/ETSI testing events

  4. aHIT ! Prioritized VoIP Applications • Billing & Authentication / Authorization / Accounting • FoIP • Internet Call Waiting • Audio Conferencing

  5. Service Requirements for SIP/H.323 Interworking • Protocol Compliance – H.323 Ver. 3 and SIP RFC 2543 • Fax Over IP • Domain Agnostic Dialing • End-to-End Mid Call Information Tunneling • Authentication • Authorization • Accounting

  6. IWF H.323 GK H.323 Terminal/Gateway SIP Terminal/Gateway InteroperabilityTest Scenarios - 1

  7. IWF H.323 Terminal/Gateway SIP Terminal/Gateway SIP Proxy InteroperabilityTest Scenarios - 2

  8. Clearing House IWF H.323 GK H.323 Terminal/Gateway SIP Terminal/Gateway SIP Proxy InteroperabilityTest Scenarios - 3

  9. Clearing House IWF H.323 GK H.323 Terminal/Gateway SIP Terminal/Gateway SIP Proxy InteroperabilityTest Scenarios - 4

  10. Multiple Administrative Domains SCP ISUP/ ISUP/ ISUP/ Backend TCAP TCAP TCAP Service Server C Border Element (BE)/ Border Element (BE)/ C Proxy Server/GK GK/Proxy Server E D Proxy Server/GK B MG SIP/H.323 ISUP/ MG MG B B Controller TCAP Controller Controller SIP/H.323 (MGC) SIP/H.323 (MGC) (MGC) B Signaling Signaling Signaling A A A SIP/H.323 Gateway Gateway Gateway (SG) (SG) (SG) IP MEGACO/ MEGACO/ IP IP MEGACO/ Network H.248 H.248 Network Network H.248 PSTN Media PSTN PSTN Media Gateway Media Gateway Gateway SIP/H.323 SIP/H.323 SIP/H.323 Terminal Terminal Terminal H.323 GW H.323 Zone # 1 Zone # 2 Zone # N GW H.323 GW Administrative Domain # 1 Administrative Domain # K A = SIGTRAN? B = H.323 or SIP, C = Back End Services Protocol (TBD), D = H.323 or SIP, E = H.225.0 Annex G or OSP Spring Conference A. March 2000

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