An interesting application related to Twitter is up on the web named as Twit2Tel. It is simply a web service which allows you to make a call to your twitter friend even you don’t know his/her contact number. All your friends having account with twitter is already associated with voicemail, so you can use this amazing service for absolutely free of cost.

Twit2Tel integrated the strength of twitter and VOIP to provide you free voice chat with your existing twitter friends. All you have to do is is follow these steps and your are there to connect and call with your friends:

Note:You must have an active twitter account to use this service.

Step 1: Go to Twit2Tel and click Sign-in button at the top of the main page.

Step 2: Sign-up with your twitter user name and password

Step3: Next click at Create a Free Account button and simply add your desired number.

Step 4: Click on Settings, and enter the telephone number which you want to link up with your Twitter username.

Step 5: At last just click on Update button and you are done.

You can send and even receive voicemail for free. Whereas the direct phone calls to your friends or relatives would last only for 4 minutes and 15 seconds where you will also experience a short commercial ad, which according to them is the only source of income to keep the service free of cost. If you don’t want any ads in between your call your can sign-up for the paid accounts too. This service is supported to more than 200 countries across the globe.