[GoatOfAplomb]

You could also just start with "What time is it?" and see what you get back, right?

[athenot]

I believe that's UDP. :)

[dpig_]

it ? is time What What ?

[paulddraper]

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.