According to News.com, the Africans have an ingenious way to use the cell phone network called "flashing" "beeping" or, in French-speaking areas, "bipage." This is when you have little credit on your prepaid card and you want your friend to call you back.
However there is social etiquette to follow:
"The richer guy pays," he writes. It is acceptable to beep someone if you are short of cash, and they are flush with credit. Never beep someone poorer than you. Never beep someone you are tapping for a favor. You don't want to risk annoying the person you are trying to win over. Never flash your girlfriend, unless you want to look cheap."
Is this a telephony driven application?
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