Ah, fair enough. I suppose that would be strange. [ Jim can't rightly conceive it, but then, it's been a strange adjustment for him, too, just backwards. Forgetting, sometimes, that the technology here wasn't as advanced as he was used to. ]

You can, if you want. You should be able to set a timer for a responding message as well - or just leave it as is, and it'll wipe when the recipient closes their communicator.