The 323Sim™ VoIP call generator is capable of emulating the functionality of an H.323 terminal. Several simulators can be deployed to increase call volume to thousands of simultaneous calls, with each 323Sim generating 2,000 calls at a rate of over 80,000 calls per hour.

This full-featured package is a complete H.323 implementation that enables developers and service providers to benchmark, load test and verify proper protocol implementation in Voice over IP equipment. A component of the VoIP Performer™, the 323Sim provides ultimate performance assurance by testing gateways, gatekeepers and other VoIP products prior to their release or deployment.

Complete H.323 Implementation

The following diagram illustrates the use of the 323Sim

Main Features

• Generates and receives over 2000 H.323 calls.
• Provides fine-grain control over call setup rates and parameters.
• Simulates gatekeeper communication procedures by enabling RAS message generation.
• Displays call activity and completion statistics such as setups, releases and active calls online.
• Transmits RTP voice packets encoded in various codec formats for load testing a gateway.
• Simulates a wide variety of H.323 terminals by providing detained RAS, Q.931 and H.245 parameter definitions.
• Loads gateways and gatekeepers with thousands of simultaneous calls.
• Enables activation of specific portions of the call setup process (RAS, Q.931 or H.245) for pinpoint testing.
• Displays gatekeeper statistics.
• Supports fast start connections and early H.245.
• Scripting capabilities for automatic test procedures using the Performer MasterScript (Pro and Platinum versions only).
  

Component of the VoIP Performer

323Sim is a component of the VoIP Performer, a comprehensive solution for predeployment and recurring VoIP system performance testing. It generates realistic network environment stress levels on new VoIP devices and applications, and then tests the quality and grade of service delivered. The Performer provides highly accurate measurements and accelerated data output integrated with automation tools and specific testing programs, significantly reducing time-to-market and development costs, as well as simplifying the evaluation process critical to successful deployment.

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