1. Using the button Call via SIP phone in the Menu Bar:
2. With the help of context menu of an object, by clicking the driver line or by clicking "Call" (in this case you will call the driver selected with a tick (see the section Menu Bar - Settings - Vehicle fleet - Vehicle)):
You can call a driver using the contect menu, if you have added the contact number of this driver (see the section Menu Bar - Settings - Drivers).
3. With the help of "Call" button in the tab Driver in the Image Panel.
When you click Call, the system calls the selected number automatically.
Receiving calls
When you have an incoming call, a window with the corresponding message appears.
Below are examples of incoming calls: a call from a telephone number saved in the contact list, and a call from an unknown number: