# File lib/network/protocol/telnetfilter.rb, line 294
  def echo(ch)
    return if @server.service_type == :client  # Never echo for server when client
                                  # Remove this if it makes sense for peer to peer
    if @pstack.echo_on
      if @pstack.hide_on && ch[0] != CR
        @pstack.conn.sock.send('*',0)
      else
        @pstack.conn.sock.send(ch,0)
      end
    end
  end