Remoting!!! client outside network

Hello everybody !!! I have some question for you...... I have router connect to modem .... 2 computers connected to router..... on one of them i running Remote Server .... from the other one i running Client App that connect to Remote Server , i use connection string like tcp://192.168.*.*:2301/ServerObj ..... the question is , if i want to connect from outside my network ( internet ) to server , what connection string i use ?? or if there some another solution for this problem ??