dup_imsi
  
  Description:
  [ 
Version ( since = 
"1.0" ) ]
public string dup_imsi ()
  
    Gets a copy of the International Mobile Subscriber Identity (IMSI) of the Sim object.
    Parameters:
    
    Returns:
    
      
        | The IMSI of the Sim object, or nullif it couldn't be retrieved. The
            returned value should be freed with g_free. |