Gmail's phone feature is a quick, easy way to make phone calls from your computer. To make it work, all you need is your Gmail account, speakers and a microphone. To start, head to "Settings" and click Chat. Then enable outbound calls with Google Voice under the Call Phones section. Once you've enabled the feature, you'll be able to make unlimited free calls to the US and Canada; however, there are fees for calls to other countries. After you've activated the service, head back to your chat list and click the telephone icon at the top of the list. Then just enter a number; if you want to make an international call, you can choose your international code from the dropdown on the left. Or, If you have phone numbers saved to your Google contacts, you can type someone's name, and select from the phone numbers you have saved for that contact to place the call. If the number you are dialing is not yet in your contacts, press call, and you're on your way. Calls you've made are saved in the timeline, which can be accessed by clicking the clock icon at the top of your keypad. Click the "Save" link under the call you just made if you'd like to match the number to an email contact.