How does the message cloud assistant know who sent it?

Just look at Baidu and you can find out which number was sent by which company.

You can also check the sender information, one is illegal, and you can't check the sender information. The first one is sent by the cottage base station, that is, the information set by the sender itself is sent by the base station of the mobile operator.

Most of them are mobile, installed in cars and can be sent anywhere. They made up the number themselves, so it is impossible to find out who sent it. The other is the number registered with operators, such as banks, internet companies and other large companies, which pay rent on a monthly basis. These figures are very fixed and will not change frequently.

Cloud assistants include:

1, invoicing

Design according to the operation of small and medium-sized commercial enterprises, which is closer to the actual business process; The flow bookkeeping mode makes the original cumbersome document entry flexible and fast, simple and easy to use, and the interface is beautiful. Inventory quantity is clear at a glance, inventory details can be queried in real time, inventory management is more efficient, and there is real-time warning of upper and lower limits.

2. Personnel management

Complete the whole process management of employee life cycle, provide and distinguish on-the-job employees and off-duty employees, and provide complete personnel information. Multi-dimensional real-time statistical analysis of employee information, enterprises dynamically grasp the overall dynamics of employees.

3. Attendance management

Sign in, ask for leave and work overtime with your mobile phone anytime and anywhere. Binding mobile phones is convenient and fast, saving costs and involving all staff.