Now we have a good site which is providing the facility of sending sms worldwide through a Mobile Social Network site. One has to just sign up with Wadja social networking and one is able to send FREE UNLIMITED SMS to your friends’ mobile phones over 500 networks and 200 countries.
This is a remarkable site with only one requirement that whom you want to send sms should be on Wadja(dot)com and one can access mobile version at m.wadja(dot)com. Wadja supports 80 character messages. Once you add your mobile phone number to your Wadja profile, you can receive SMS from other Wadja users also. Thus if you are having lot of international friends, this service can be of a great use for you.