I have been looking for a way to send SMS text messages on my iPhone using my PC – to get full keyboard and so on..
I have not found any perfect solutions, but this might work:
http://www.pandaapp.com/pcsuite/
(I don’t really know if the iPhone needs to be jailbreaked or not.)
Microsofts Outlook SMS plugin probably does not work with iPhone, but it might be worth the trick:
http://www.microsoft.com/downloads/details.aspx?FamilyID=240080b4-986e-4afb-ab21-3af2be63508b&displaylang=en
Probably the best solution will be to use your tele providers website if they have some kind of sms service online. You will of course online be able to send – not read – messages through that.. But it’s easy! 🙂