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h323Flex Test Suite

The h323Flex Test Suite is designed to assist NEMs and NSPs to perform H.323 to SIP interwork testing, using real-world traffic load in lab environments.

Spec sheet (PDF)

Key features

  • Large scale emulation of H.323 terminals and gateways
  • Slow start, fast start calls with or without tunneling and H.245
  • SIP and H.323 interworking testing through a single platform and graphical user interface (GUI)
  • Detailed signaling and media statistics with call records for threshold violation
  • Real-time protocol (RTP) streams line-rate generation and analysis
  • Thousands of registrations, discovery and calls per second (signaling and media)


  • SIP to H.323 interwork testing using h323Flex and sipFlex for elements such as the session border controller (SBC)
  • Real-time network and device response latency measurement under various network load conditions

h323Flex Test Suite

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