Hi,
In v16 (16.0.9) it is possible to make a call with the windows client with this commando C:\ProgramData\3CXPhone for Windows\PhoneApp>3CXClickToCall.exe <PhoneNumber>
But in V18(18.0.1880) this doesn't work anymore.
I've also tried to make a call with the 3CXDesktopApp with this commando...