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by GoatOfAplomb 622 days ago
You could also just start with "What time is it?" and see what you get back, right?
2 comments

I believe that's UDP. :)
it ? is time What What ?
Who is this? What? No! You called me!
But person A might not be ready to ask a question, and person B doesn't want to wait around forever to have a conversation with someone who might not even be able to hear them.

Both sides need to know to "commit" to the connection.