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SIP-I interoperability test

Events
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Bled, 15-19 May, 2006, Slovenia

 

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SINTESIO Testlab hosted the 1st NGN Interoperability event PSTN/ISDN Emulation Services Scenarios under endorsement of ETSI (European Telecommunication Standardization Institute) and supervision of TISPAN technical body.

The scope of the interoperability event was preparation and execution of network integration tests (NIT) for the following NGN migration scenarios:

  1. NGN Emulation scenario, by means of SIP-I based PES (PSTN/ISDN Emulation Subsystem) with either Softswitch or Core IMS implementations:
    • Partial PSTN/ISDN replacement of the transit exchanges with Softswitches/IMS platforms;
    • Whole PSTN/ISDN replacement of the local and transit exchanges with access gateways and Softswitch/IMS platforms.
  2. Interworking between NGN Core and PSTN/ISDN Legacy network:
    • Interworking SIP/ISUP Profile A and B according to draft ATS test specification ETSI DTS 6014-4
    • Interworking SIP/ISUP Profile B according to draft TSS/TP test specification ETSI TS 6012-2 (the extent of the test will depend on availability of ETS implementation of the draft standards)

The aim of the event was preparation and execution of well structured end-to-end network integration tests based on ETSI TISPAN draft reports with the objectives to:

  • test the interoperability of different vendor’s implementations at the functional level and to evaluate the coherence of draft standards;
  • test interworking between ISUP/BICC and SIP Profiles A, B and C;
  • test Quality and Performance in a real multi-operator environment;
  • generate technical report with the Implementation guides for deployment of NGN scenarios, that will be tested end-to-end.

The interoperability event participants were:

  • Softswitch/Core IMS equipment vendors,
  • network operators and service providers,
  • system integrators

who validated the current state of implementations agains the ETSI TISPAN NGN Release 1 standards. The interoperability event gave participants the opportunity to evaluate NGN solutions and products, its interoperability with the solutions of world leading players. With the SINTESIO testlab connections to public ISDN/PSTN network and to Internet and the network configurations with remote NGN domain, it was possible to test and validate real network behavior such as Performance, Quality and Security issues.