def connectToServer(self):
    """Connect to the Server. Start a new RTSP/TCP session."""
    self.rtspSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    try:
      self.rtspSocket.connect((self.serverAddr, self.serverPort))
    except:
      tkMessageBox.showwarning('Connection Failed', 'Connection to \'%s\' failed.' %self.serverAddr)