IMS Border Gateway Functions Testing


The IMS Border Gateway Test Suite was designed to test the IMS border gateway. It integrates the subscribers and the controller into a single flexible but easy-to-use GUI-driven test bed to perform numerous tests.

Technical Information

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Applications

  • Complete test lifecycle coverage: feature, negative, load, regression, interoperability and scalability testing
  • Security testing capabilities against theft of service and malicious attacks using rogue media, per-session policing, QoS monitoring and reporting as well as secure access to services
  • BGF media testing capabilities for negotiating and transmitting several codecs simultaneously

Key Features

  • 320 000 emulated endpoints and 320 000 active calls with RTP
  • 2000 calls per second with media
  • 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.
  • Extensive media analysis including path verification, theft of service, mean opinion score (MOS), perceptual evaluation of speech quality (PESQ), R-factor, jitter, delay, loss, etc.
  • H.248/Megaco message definition (valid, invalid and proprietary) using a GUI or text-based editor
  • Call flow creation (valid, invalid and proprietary)
  • DHCP support
  • Protocol state machine manipulation using a ladder diagram
  • DTMF insertion and extraction testing
  • IPv4/IPv6 support
  • MRSP messaging
  • TCP/UDP/SCTP support
  • NAT traversal

The IMS Border Gateway Test Suite interacts with the SIP subscribers via the media plane and with the controller (SPDF/P-CSCF) with H.248/Megaco protocol based on the TISPAN extensions. In a deployed network, the media, SIP and Megaco signaling are synchronized.

Simulating and troubleshooting this environment in a lab to test the IMS border gateway before deployment can be a daunting task if multiple independent test boxes/applications are used to emulate the subscribers and the controller.

Related Resources

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