Reminds me of the old collect call trick. Rather than state your name when prompted you transmit a short, perhaps even coded, message. Then the receiving party declines the call.

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LeifCarrotson 7 hours ago | parent | next [-]

"You have a collect call from MomWe'reAtTheArcadeCanYouPickUsUp?

Would you like to accept the charges?"

	▲	intrasight 2 hours ago \| parent [-]
		Ahh, the 70s. Good memories.

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umanwizard 7 hours ago | parent | prev [-]

https://www.youtube.com/watch?v=9JxhTnWrKYs