Usage: ./gsmselftest.py [option] Options and arguments (and corresponding environment variables): --db [caller] [callee] : To execute the test case given by defining the caller and callee --all : To execute all test cases --sip : To execute SIP test cases --gsmrz : To check whether GSM RZ network has problems or not --gsmext : To check whether GSM BOX modem has problems or not --incoming : To check incoming calls from Landline --smart : To test only important points in the network and to identify the problems --devconf : To configure the USB device on the server example : ./gsmselftest.py --devconf ./gsmselftest.py --smart ./gsmselftest.py --db sip GSMRZ1