Which Software? (for audio conversation)

[Kalinatek]

okay , i need a software that i could use , and also my friend who is using XP , it has to be free , secondly i want to talk to him using my mic (audio conversation)

thanks!

 

[khisayruou]

skype: brings pc and mac together!
www.skype.com

 

[Danksi]

skype: brings pc and mac together!
www.skype.com

Skype's encrypted too, which seems handy for sharing files.

 

[Kalinatek]

Thanksssss Guys!