About Call from Phone
You can take advantage of click-to-call functionality through the desktop app to make a call on your desk phone or designated remote office phone. Once initiated, your phone will ring. Pick up the phone and the call will be placed to the selected contact.
Call from Phone is available in the following areas:
On the Contacts screen when a contact is selected.
By right-clicking on a contact and selecting Call from Phone.
On the dial-pad after entering a number.
In an open communication window.