1 / 30

Interworking: Testing step by step

Interworking: Testing step by step. Interworking: switched circuit / VOIP Tester and IUT Independent ISDN and H323 functional simulation ISDN + H323 functional simulation: signalling ISDN conformance + H323 functional simulation H323 conformance + ISDN functional simulation

cady
Download Presentation

Interworking: Testing step by step

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Interworking:Testing step by step • Interworking: switched circuit / VOIP • Tester and IUT • Independent ISDN and H323 functional simulation • ISDN + H323 functional simulation: signalling • ISDN conformance + H323 functional simulation • H323 conformance + ISDN functional simulation • ISDN + H323 conformance signalling • ISDN + H323 functional simulation: bearer availability • ISDN + H323 functional simulation: bearer quality • ISDN + H323 conformance signalling + bearer availability • ISDN + H323 conformance signalling + bearer quality

  2. Interworking:Switched-Circuit and VOIP world Switched Circuit Network TDM Interconnection System VOIP Network Ethernet • Switched circuit uses TDM interfaces, circuit supports • VOIP uses Ethernet interfaces, packets supports

  3. Interworking:Testing step by step • Interworking: switched circuit / VOIP • Tester and IUT • Independent ISDN and H323 functional simulation • ISDN + H323 functional simulation: signalling • ISDN conformance + H323 functional simulation • H323 conformance + ISDN functional simulation • ISDN + H323 conformance signalling • ISDN + H323 functional simulation: bearer availability • ISDN + H323 functional simulation: bearer quality • ISDN + H323 conformance signalling + bearer availability • ISDN + H323 conformance signalling + bearer quality

  4. Interworking: IUT and Simulation Tester Simulation Switched Circuit TDM IUT Simulation Ethernet VOIP • IUT: PABX, Gateways, CO, Softswitches… • Simulation: protocol test equipment + heterogeneous interfaces

  5. Interworking:Testing step by step • Interworking: switched circuit / VOIP • Tester and IUT • Independent ISDN and H323 functional simulation • ISDN and H323 functional simulation: signalling • ISDN conformance + H323 functional simulation • H323 conformance + ISDN functional simulation • ISDN + H323 conformance signalling • ISDN + H323 functional simulation: bearer availability • ISDN + H323 functional simulation: bearer quality • ISDN + H323 conformance signalling + bearer availability • ISDN + H323 conformance signalling + bearer quality

  6. Interworking: functional testing of signalling over each interface Functional Simulator Q921/Q931 Emulation ISDN ISDN-PRI IUT Functional Simulator H323 RAS Emulation Ethernet H225-SIG Emulation • Tester simulates simultaneously H323 and ISDN • Supports of N interfaces (PRI +Ethernet)

  7. Interworking:Testing step by step • Interworking: switched circuit / VOIP • Tester and IUT • Independent ISDN and H323 functional simulation • ISDN + H323 functional simulation: signalling • ISDN conformance + H323 functional simulation • H323 conformance + ISDN functional simulation • ISDN + H323 conformance signalling • ISDN + H323 functional simulation: bearer availability • ISDN + H323 functional simulation: bearer quality • ISDN + H323 conformance signalling + bearer availability • ISDN + H323 conformance signalling + bearer quality

  8. Interworking: functional testing Q931 and H225 Signalling interworking SETUP ISDN Q921/Q931 Emulation CALL PROC ISDN-PRI Simulation = Interworking ISDN-H323 IUT SETUP H323 RAS Emulation H225-SIG Emulation CALL PROC Ethernet • ISDN-H323 Interworking checks the signalling processing • Establishment of calls in both directions

  9. Interworking: functional testing Q931 and H225 Signalling interworking • ISDN and H323 PDU’s show interworking

  10. Interworking:Testing step by step • Interworking: switched circuit / VOIP • Tester and IUT • Independent ISDN and H323 functional simulation • ISDN + H323 functional simulation: signalling • ISDN conformance + H323 functional simulation • H323 conformance + ISDN functional simulation • ISDN + H323 conformance signalling • ISDN + H323 functional simulation: bearer availability • ISDN + H323 functional simulation: bearer quality • ISDN + H323 conformance signalling + bearer availability • ISDN + H323 conformance signalling + bearer quality

  11. Interworking: conformance of ISDN Layer 3 protocol SETUP Conformance Simulator ISDN ISDN ATS CALL PROC ISDN-PRI IUT Functional Simulator RAS Emulation H323 H225-SIG Emulation Ethernet • ISDN Conformance testing checks the Q931 in the D channel • IUT needs an H323 responder to process the ISDN calls

  12. Interworking: conformance of ISDN Layer 3 protocol • The TTCN-trace events are added to the protocol events • H323 activation allows to receive PDUs corresponding to the “implicit send”

  13. Interworking:Testing step by step • Interworking: switched circuit / VOIP • Tester and IUT • Independent ISDN and H323 functional simulation • ISDN + H323 functional simulation: signalling • ISDN conformance + H323 functional simulation • H323 conformance + ISDN functional simulation • ISDN + H323 conformance signalling • ISDN + H323 functional simulation: bearer availability • ISDN + H323 functional simulation: bearer quality • ISDN + H323 conformance signalling + bearer availability • ISDN + H323 conformance signalling + bearer quality

  14. Interworking: conformance of H225 Signalling protocol Functional Simulator ISDN ISDN D-channel ISDN-PRI IUT SETUP Conformance Simulator H323 H225 Conformance CALL PROC Ethernet • H225 Conformance testing checks the RAS and SIG protocols • IUT needs an ISDN responder to process the H323 calls

  15. Interworking: conformance of H323 protocol • The TTCN-trace events are added to the protocol events

  16. Interworking:Testing step by step • Interworking: switched circuit / VOIP • Tester and IUT • Independent ISDN and H323 functional simulation • ISDN + H323 functional simulation: signalling • ISDN conformance + H323 functional simulation • H323 conformance + ISDN functional simulation • ISDN + H323 conformance signalling • ISDN + H323 functional simulation: bearer availability • ISDN + H323 functional simulation: bearer quality • ISDN + H323 conformance signalling + bearer availability • ISDN + H323 conformance signalling + bearer quality

  17. Interworking: conformance of ISDN and H323 SETUP ISDN Q921/Q931 Emulation CONNECT Simulation = conformance ISDN-H323 IUT SETUP H323 RAS Emulation H225-SIG Emulation CONNECT • ISDN-H323 conformance checks the protocols translation • Concurrent TTCN manages both of the sides

  18. Interworking: conformance of ISDN and H323 • ATS based over purposes of ETSI TS 102 169-1

  19. Interworking: conformance of ISDN and H323 • Concurrent ETS checks both of the ISDN and H323 sides

  20. Interworking: conformance of ISDN and H323 • ETS provides verdicts for each TestCase and final report

  21. Interworking:Testing step by step • Interworking: switched circuit / VOIP • Tester and IUT • Independent ISDN and H323 functional simulation • ISDN + H323 functional simulation: signalling • ISDN conformance + H323 functional simulation • H323 conformance + ISDN functional simulation • ISDN + H323 conformance signalling • ISDN + H323 functional simulation: bearer availability • ISDN + H323 functional simulation: bearer quality • ISDN + H323 conformance signalling + bearer availability • ISDN + H323 conformance signalling + bearer quality

  22. Interworking: functional testing ISDN and H323 bearer availability SETUP ISDN Q921/Q931 Emulation CONNECT B- channel TONES Simulation = Interworking ISDN-H323 + continuity IUT SETUP H323 RAS Emulation H225-SIG Emulation CONNECT RTP logical channel TONES • ISDN-H323 Interworking checks the bearer channels • Checking continuity by using tones transmission

  23. Interworking: functional testing ISDN and H323 bearer availability • RTP send wav file with Tones detected by ISDN side

  24. Interworking:Testing step by step • Interworking: switched circuit / VOIP • Tester and IUT • Independent ISDN and H323 functional simulation • ISDN + H323 functional simulation: signalling • ISDN conformance + H323 functional simulation • H323 conformance + ISDN functional simulation • ISDN + H323 conformance signalling • ISDN + H323 functional simulation: bearer availability • ISDN + H323 functional simulation: bearer quality • ISDN + H323 conformance signalling + bearer availability • ISDN + H323 conformance signalling + bearer quality

  25. Interworking: functional testing of ISDN and H323 quality SETUP ISDN Q921/Q931 Emulation CONNECT B- channel WAV FILE Simulation = Interworking ISDN-H323 + PESQ IUT SETUP H323 RAS Emulation H225-SIG Emulation CONNECT RTP logical channel WAV FILE • Bearer Channels carried wav files • Quality measurement uses PESQ algorithm

  26. Interworking: functional testing of ISDN and H323 quality • The Quality events are added to the protocol events • Events are similar for TDM and RTP flow”

  27. Interworking:Testing step by step • Interworking: switched circuit / VOIP • Tester and IUT • Independent ISDN and H323 functional simulation • ISDN + H323 functional simulation: signalling • ISDN conformance + H323 functional simulation • H323 conformance + ISDN functional simulation • ISDN + H323 conformance signalling • ISDN + H323 functional simulation: bearer availability • ISDN + H323 functional simulation: bearer quality • ISDN + H323 conformance signalling + bearer availability • ISDN + H323 conformance signalling + bearer quality

  28. Interworking: conformance of ISDN and H323 bearer availability SETUP ISDN Q921/Q931 Emulation CONNECT B- channel TONES Simulation = conformance ISDN-H323 + continuity IUT SETUP H323 RAS Emulation H225-SIG Emulation CONNECT RTP logical channel TONES • ISDN-H323 Interworking checks the bearer channels • Checking continuity by using tones transmission operator

  29. Interworking:Testing step by step • Interworking: switched circuit / VOIP • Tester and IUT • Independent ISDN and H323 functional simulation • ISDN + H323 functional simulation: signalling • ISDN conformance + H323 functional simulation • H323 conformance + ISDN functional simulation • ISDN + H323 conformance signalling • ISDN + H323 functional simulation: bearer availability • ISDN + H323 functional simulation: bearer quality • ISDN + H323 conformance signalling + bearer availability • ISDN + H323 conformance signalling + bearer quality

  30. Interworking: conformance of ISDN and H323 quality SETUP ISDN Q921/Q931 Emulation CONNECT B- channel WAV FILE Simulation = Conformance ISDN-H323 + PESQ IUT SETUP H323 RAS Emulation H225-SIG Emulation CONNECT RTP logical channel WAV FILE • Bearer Channels carried wav files • Quality measurement uses PESQ algorithm

More Related