These recommendations reffer to the article Employees.
Press «Подключить новую SIM…» button to connect a corporate SIM-card.
Fill in the number press the «Подключить SIM-карту» button:
If a PBX number (is shown in «Settings» - «Tariff») has a coordinator of a business account rights, the number will be added automatically. Otherwise, you will have to confirm the access by SMS.
The number will be shown in the employee's profile. You will be able to control all the connected numbers.
Have you set up all the employees? Then go to the departments settings.