Free Calls in the USA and Canada with CallingAmerica
CallingAmerica.com is the first completely ad-supported VoIP calling network. Anyone across the U.S. can visit CallingAmerica.com to make free calls to any landline or mobile phone in the United States and Canada at no cost.
Unregistered users can make calls of up to two minutes; registration , which is also free, gives you unlimited calls of up to 15 minutes. The program works online without software download . A very interesting VoIP option.
Calling America is a great service!! However, i have been using Vopium earlier and i was very satisfied with it – i will try CallingAmerica too!