Originally Posted by ronbotx

I beleive you do need Version 4.0 minimum of the OS. But there are also some "Service Books" that are supplied by the carrier. Most of configurable settings should be in Options/Settings. If you don't see a TCP option, then you don't have a TCP stack to configure.

The only option then is a hosted BES/MDS service and that costs some money. Seems like you don't have a blackberry friendly carrier.

You might try and see if there is a later version of the OS available from your carrier, but tha can cause problems if the upgrade messes up.