It's relatively easy to disable data roaming on an Android device in the "Wireless & networks" settings section, but the phone still tries to connect to other services via roaming like voice and SMS. Is there a way to disable ALL roaming whatsoever? I know about airplane mode, but that completely disables all connectivity, and it's also annoying to have to remember to keep turning airplane mode off and on again when I enter/leave the vicinity of this network. I'd like to be able to connect to my network but not allow any roaming.
Why disable? Becuase the network offering the roaming isn't one I trust, as I think it may be intercepting and recording my data. So I don't want my phone to use it.