SMPP Tester, SMSC server simulator

• SMPP load test tool
• SMSC simulator
• Free for non-commercial use, contact us to get a commercial license
• Measures SMS submission delays, builds chart and report
• Windows desktop GUI and web interface

Use cases

• Performance testing of your SMS servers and infrastructure
• Monitoring SMS submission delay of live SMSC server, sending email alerts if your SMS server goes down or becomes overloaded
• Monitoring quality and stability of your IP networks and SMS servers
• SMPP load test tool
• SMPP benchmarking
• Simulating SMPP server and SMSC vendor (SMSC simulator)
  • Simulate SMPP DLR responses with custom message_state and network_error_code: DELIVERED, UNDELIVERED, EXPIRED, REJECTED or other. With configured percentage and random delays before sending DLR response

News

2026-04-06 performed a 2-day stability test over Alaris SMS Platform with a small load of 0.2 SMS/second. Peak submission delay was 10 seconds, and maximum number of messages in queue was 3. See below: