S Sridhar New member Apr 27, 2010 #1 I mean, how do cell phone companies identify millions of customers using a combination of 10 digits in a typical cell phone number. What is the strategy / calculation they use to get so many combinations out of a few digits?
I mean, how do cell phone companies identify millions of customers using a combination of 10 digits in a typical cell phone number. What is the strategy / calculation they use to get so many combinations out of a few digits?