If you really want to disable voice, I'd turn it off on the SIM card*. If you disable voice on the BB by policy, someone could possibly still take the SIM out and use it in their own phone. If you don't want this to happen, get your supplier to turn off voice on the SIM.
*having never seen a non-European 7290, I'm assuming that they're all GPRS, and therefore have a SIM card. I could be wrong...
|