Re:The secret life of SIM cards (2013)
by girvo on Sunday August 17, 2014 @02:37AM
(#8188783)
Yeah. Telstra prepaid still do the phone driven menu, where you "call" a number, but instead of voice a text menu pops up on your phone. It's quite nice actually. I think they're called USSD menus?
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USSD is correct! http://en.wikipedia.org/wiki/Unstructured_Supplementary_Serv...