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SIP Proxy Testing

An SIP proxy is a key component of a SIP-based network. It is responsible for handling the setting up, negotiating resources for, tearing down and maintaining SIP sessions, and can also act as a registrar or a redirect server.

Spec sheet (PDF)

Key features

  • 2 560 000 emulated endpoints
  • 4250 calls per second
  • 18 000 registrations per second
  • Response latency characterization for registration and call setup
  • Supported codecs: AMR, ILBC, G.711, G.729, G.721, G.726, G.723, G.722, G.728, EVRC, EVRC-B, GSM-EFR, GSM-FR, GSM-HR, H.263, H.264, DTMF, etc. Read more
  • SIP message definition (valid, invalid and proprietary) using a GUI or text-based editor


  • Complete test lifecycle coverage: feature, negative, load, regression, interoperability and scalability testing
  • Security testing capabilities such as protection against theft of service, SIP flood/DoS and rogue media
  • Response latency measurement of the SIP proxy under various network load conditions and different mix of traffic
  • Message flood impact measurement such as DoS floods on the response latency of the SIP proxy

SIP Proxy Testing

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