Virtual Private Network (Group Network)
1. Virtual private network is the abbreviation of VPN, commonly known as "networking", "local area network", "company network", "micro network" and so on.
2. VPN is a private network for private voice communication over a public mobile communication network.
3. It is a high-efficiency and low-cost internal call LAN for enterprise or group customers.
4. VPN can provide tariff discounts for users in a group, which facilitates the management of group tariffs and user tariffs.
