\level{2} {PTcpControl}
\level{3}{Incoming Messages}

\begin{tabular}[ht]{|l|l|l|p{8cm}|}
\hline
Message & Data & Type & Description\\
\hline
connect &  data  &  DTcpControl  & \\
\hline
disconnect &  &  & \\
\hline
\end{tabular}
\level{3}{Outgoing Messages}
\begin{tabular}[ht]{|l|l|l|p{8cm}|}
\hline
Message & Data & Type & Description\\
\hline
connected &  &  & \\
\hline
disconnected &  &  & \\
\hline
error &  &  & \\
\hline
\end{tabular}