How to query Unicom cornet

There are two ways to query the short number of Unicom's virtual network: 1, and short message: send the short message content "CX" to "100 19" to query the virtual network short number and the remaining short number time. 2. Call the inquiry system: dial 4000 to enter the management process. The following instructions are for reference: Unicom virtual network mobile phone dials 4000, and the prompt is: "Welcome to China Unicom virtual network inquiry system, please press 5 for business management. Please press 0 to exit. If you press 5, it will play: Please enter your personal password and end with #. If the password entered is correct, the system will play: press 3 for user number inquiry, 4 for personal password management and 0 for exit. Press 3 to enter: prompt: press 1 for trombone query, press 2 for trombone query, and other keys to return. Press 1 or 2 to find relevant information according to the user's trumpet or trombone respectively. (The initial password is 1234 or 88888888. If users need to accurately query VPN passwords, they need to go to Unicom business hall. )