1, the 3 nets syncretic such as the speech of the user, data, image; 2, operation business fag end provides line of speech, data, image for the user outspread; 3, net of couplet of speech of big group, big orgnaization, data, image, and cost saving; 4, the user asks can look of agile group net, enlarge 5, of a variety of data business receive
Solution:
