@paragarora This folder should contain the following files: 1. smpptest.cfg 2. smpp.jar 3. smpptest.jar 4. README Make sure all the files are present in the same folder. Run the following command on your terminal to start SMPPClient simulator: $ java -cp smpp.jar:smpptest.jar org.smpp.test.SMPPTest For Benchmarking $ java -cp smpp.jar:smpptest.jar org.smpp.test.BenchMark Follow the operations you need to perform once simulator is started by entering configuration values one by one Enjoy !