837783 837783 is a messaging add-on for mobile appliances, that works with the SMS system adding to it two main features
- the ability to read and write messages in a different format than that standard of the mobile appliance;
WapAlta WapAlta is the universal mobile e-mail service. We hope you'll find it useful and convenient.
WapAlta works on virtually any mobile phone, including the most popular mobile devices in the marketplace. This service works with any standards-based email servers and delivers messages in real-time
j-TXT j-TXT - An open source Java application to send free text messages with your mobile phone.
How does it work?
Data is sent over the GPRS net instead of the telecommunications SMS network.
This makes it a lot cheaper as you only pay for the Internet charges that you are covered by your provider