Try "Vopium" service

Vopium is a free piece of software which u can download to ur mobile phones. It helps u to save ur money by redirecting ur international calls through cheapest possible routing. Save upto 90%!. Click here to get started with it.
Currently it supports 45 countries where almost all the Asian countries are missing(even in India it just works with wifi). So we can hope to get it soon in our Asia. For more information visit Vopium Blogs or Vopium Official website.
Enjoy it if ur country is included!...

Nimbuzz iz Cool!

Hy Guyz. Hey i wona let u knw bout the most ranked(in my listings) software for mobiles. It is named as ''Nimbuzz''. Having it will keep u in touch with ur Yahoo, Google, Aim, Facebook, Windows live, Myspace, ICQ, Skype etc and also chat in its own chatrooms. Cheep international and local calls makes it unique. U may get it at www.Nimbuzz.com or from www.Nimbuzzout.com. So, wat bout it...