has anyone ever used those services online like telephone wise but you just call email adresses and its totally free? my friend in spain just sent me one but i'm wary of it. any help?

can you please rephrase that? haha i'm having trouble understanding it

programs that you download onto your computer that works like a telephone service. you call people's emails and you can talk. but its free cuz its through the internet. i've heard of it before but ...