Phone: (469) 634-4200


McKinney, TX (November 5, 2019) – Developing Solutions, Inc. dsTest release 5.3 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 v5.2 are carried forward into v5.3 as is our continued support for and development of comprehensive 3G, 4G, and 5G core network test solutions.

5G Network TestingOur main objectives for this release are enhancements to the back-end services necessary for AMF-SMF system testing, including NRF emulation, and additional support for automated testing — namely dsTest’s RESTful API, which provides full control of dsTest and your testing activities.

dsTest  release 5.3 will include the initial releases of the following 5G core service-based-interfaces:

  • Namf_MT and Nsmsf_SMService for the N20 reference point between the SMSF and the AMF.
  • Nnssf_NSSAIAvailability and Nnssf_NSSelection for the N22 reference point between the NSSF and the AMF.
  • Nchf_SpendingLimitControl for the N28 reference point between the CHF and the PCF.
  • Nchf_ConvergedCharging for the N40 reference point between the CHF and the SMF.

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.