• 124 full-featured tests for SCTP Endpoints including:
    • Association startup and takedown
    • Sequenced delivery within streams
    • User data fragmentation
    • Acknowledgement and congestion avoidance
    • Chunk bundling
    • Packet validation
    • Path management
  • Tests for valid, invalid and inopportune SCTP protocol behavior and syntax variations in SCTP messages
  • Exhaustive set of context parameters for flexible adaptation of SCTP tests to a SCTP implementation under test
  • Fully automated test execution
  • Platform-independent test execution
  • Test tracing on different levels of detail
  • Summary of test results
  • Test definition and documentation in the standardized test notation TTCN-3


  • Gateways
  • IP Phones
  • 2.5G/3G Cellular Devices
  • Softswitches
  • Media Servers
  • Application Servers
  • Media Controllers


  • Standards-based testing according to SCTP specifications
  • Fast and simple test execution and analysis
  • Repeatability of tests and full support of test automation
  • Platform independence and rapid integration in existing test environments
  • Flexibility through usage of the constantly evolving standardized test notation TTCN-3

SCTP screenshot
Test Management, Execution and Analysis for SCTP


  • RFC 2960, SCTP: Stream Control Transmission Protocol, 2000-10
  • RFC 3309, Stream Control Transmission Protocol (SCTP) Checksum Change, update RFC 2960, 2002-09
  • ETSI TS 102 369 Ver. 1.1.1: MTS SCTP Test Suite Structure and Test Purposes, 2004-11
  • ETSI ES 201 873-1 TTCN-3 Core Language V4.1.1, 2009-06

Reference Platforms

  • Java 8
  • Microsoft Windows 7/8/10
  • Linux (GTK2, x86-32, x86-64)

Please contact us at ttworkbench-sales@spirent.com for more information, consulting, and individual quotes.

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TTworkbench is the full-featured integrated test development and execution environment (IDE) for any kind of test automation project. This technology-independent tool can be deployed for testing products and services in a wide range of different industry sectors.

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