Phone: (469) 634-4200


McKinney, TX (April 26, 2010) – Developing Solutions, Inc. announced today that its implementation of the 4G SGs interface has entered beta testing. The SGs interface provides support for Circuit-Switched Fallback (CSFB) Short Message System (SMS) processing.

The SGs interface is available for use with dsTest’s VLR Emulator to test the capacity and performance of an MME or with dsTest’s Load Generator to test the capacity and performance of a VLR.

To learn more about dsTest, the SGs application, or other protocol testing products, contact Developing Solutions, Inc. at