Phone: (469) 634-4200


McKinney, TX (April 17, 2020) – Developing Solutions, Inc. dsTest release 5.4 is available to all current customers with active support agreements. It is available for downloading from the Developing Solutions secure support website. All features available in v5.3 are carried forward into v5.4 as is our continued support for and development of comprehensive 3G, 4G, and 5G core network test solutions.

Enhancements for this release are focused on user data features and performance as well as the mobility between 4G and 5G using the N26 interface.

dsTest release 5.4 will include the initial release of our first video streaming client. HLS (HTTP Live Streaming) is an HTTP-based adaptive bitrate streaming communications protocol developed by Apple, Inc.and now an Internet-Draft. The HLS implementation in dsTest will serve as the foundation for additional video clients and other data streaming tools for future enhancements.

Our main objectives for additional 5G services this release are enhancements necessary for complete 5GC system testing. dsTest  release 5.4 will include the initial releases of the following 5G core service-based-interfaces:

  • Nausf_SoRProtection and and Nudm_UEAuthentication for the N13 reference point between the AUSF and UDM.
  • Namf_Communication for the N14 reference point between AMF and AMF.
  • Namf_Communication, Npcf_AMPolicyControl and Npcf_UEPolicyContro for the N15 reference point between PCF and AMF.

About dsTest

Developing Solutions’ growing collection of Control Plane and User Plane applications and core network testing solutions gives dsTest the ability to identify problems and potential bottlenecks in your lab before they show up in your network. You can easily scale an environment — simulating hundreds of millions of subscribers — to test network capacity, compliance, scalability, and redundancy. Additionally, features such as SmartEvents, SmartMessageElement, and inline protocol dictionaries give you maximum flexibility and control.

dsTest is a high performance, high capacity software solution that runs on several distributions of Linux. It is designed to take advantage of the latest processor and virtualization technology to assist carriers’ and vendors’ evolution toward network function virtualization and software defined networks. Carriers and vendors rely on dsTest for performance, compliance, and reliability validation of their networks.

dsTest is also accompanied by the dsClient desktop application, which allows easy configuration and control of dsTest using a graphical user interface, and provides test monitoring and operational measurement reporting in chart or tabular form.

To learn more about Developing Solutions core network test solutions, refer to our product page or contact Developing Solutions, Inc. at or (877) 233-8350.

About Developing Solutions

Developing Solutions, founded in 2002, is a test equipment firm with extensive experience in the Telecom and Datacom industries. The company is located in the DFW Metroplex.