The SMSC Simulator is a service for near-to-live testing of your SMPP applicatio
The SMSC Simulator product include 3 parts.

The SMPP Decoder is a professional tool that you can use it to display SMPP 3.4 messages for detailed analysis.

The SMSC Simulator is a service for near-to-live testing of your SMPP applications without need of access to real SMSC. The application behaves as a real SMSC with SMPP interface, your application can bind to it, submit_sm, deliver_sm, unbind etc., however nothing will get delivered anywhere as all the responses are only made-up by the Simulator. It also supports multiple connection but the authentication information is ignored.

The Mobile Server is a simulator, since the SMSC Simulator cant send real short message to Mobile user, so it will forward short message Between SMSC and mobile phone simulator(full version include). you can free download SMSC Simulator 1.0 now.