We have written about quite a few Free VOIP service providers here, most of them required users to download desktop applications to work and had calling limitations, but our latest share FreeRinger is an exception, the ad-supported web-based flash VOIP service allows users to call cellphones and landlines phones of more then 30 international destinations including USA, UK and Canada for free without any limits.

The whole process is pretty simple all you have to do is to register for a free account and follow the simple calling procedure as below.