Microsoft has come up with a wonderful feature in Windows 7. It allows you to make calls from your computer via your mobile using Bluetooth. Just to clarify this won’t help you to save bucks. It’s just that it will help you not to hold the phone and also keeps you away from the radiation as well as give relaxation to your hands Here is how you can use your PC to make calls: In the first place you need to add your mobile as a device on your computer. For this, click on "Start" menu and point to "Devices and Printers". Once you open the “Devices & Printers” add a device (mobile) to your computer as shown below: Once you click on "Add a Device" a window will pop up. Find your device and add it to your computer. Prior to that make sure that Bluetooth for both the devices is switched on. Once you add your device (mobile) to your computer it will show up under the devices section. As you see above the mobile is now added to the list. Now double click on the mobile icon and a window will pop up as shown. Put the number in the space provided you want to call and click on call as shown below. Now the call will be performed through your computer's Bluetooth while connecting it to your mobile's Bluetooth. So its basically the mobile making the call but you hear it on your computer. When you want to disconnect the call just click on Hangup. Enjoy the free style calling.