Originally Posted by Rocketdog
Thanks for that super-fast response.
All the applications used were the ones that came pre-installed on my T-Mobile (USA) Curve 8320. They show up as Yahoo! Messenger and Windows Live Messenger. How can I find out if they're data or SMS based?
the preinstalled IM clients use text messages. this is buried within the t-mobile website.
you need a client like Jivetalk or IM+. these use data and not sms.