Settings > Display and Backlight > Analogue Clock

Analogue Clock
In addition to the digital clock, an analogue clock can be shown on the display.
 
Proceed as follows:
Using COMfortel Set (page Settings/functions > Display, check box Analogue clock in idle state)
Using the telephone (menu settings > display > analogue clock))

COMfortel 2600 - Firmware V2.2 - COMfortel Set V3.16 - Advanced Information V10 02/2019