Originally Posted by pdhenry
Is this software unique to the 6315? I have an XDA running WM2003; WM2003 comes with MSN Messenger (which seems to be GPRS-based).
Yes, the "regualar" PocketPC has a data carrier based client, and AOL sells (or for free on the UK site) client that also uses regualar connections, but for some reason T-mobile decided to include this SMS client on their device. And I know some of their newer phones also use an SMS based client.