Click 3cx Myphone  icon in your desktop. Step 1 : Click 3cx Myphone  icon in your desktop.
 Type your Extension Number/Pin and press OK Step 2 : Type your Extension Number/Pin and press OK
 Goto Settings button. Step 3: Goto Settings button. 
 Goto Preference Tab. Step 4 : Goto Preference Tab. 
 Drop Down to Preference page  and see Dialing Option. Step 5 : Drop Down to Preference page  and see Dialing Option. 
 Enable Quick Dial Hotkey. Step 6 : Enable Quick Dial Hotkey. 
 Click on Apply and Ok Step 7 : Click on Apply and Ok 
 Go to any website  in your browser.  Step 8 : Go to any website  in your browser.
 Select the contact number and press F11 hotkey in your keyboard.  Step 9 : Select the contact number and press F11 hotkey in your keyboard.
 Click on dial Button and the call will establish Step 10 : Click on dial Button and the call will establish