phone fun, was GeoIP database issues and the real world consequences

John Levine johnl at
Fri Apr 15 21:48:18 UTC 2016

>NA has a 10 digit scheme (3 area code - 7 local) though most of the
>time you end up dialing the 10 digits.
>Australia has a 9 digit scheme (1 area code - 8 local) ...

North America uses en bloc signalling, Australia uses CCITT style
compelled signalling.  That's why you have variable length
numbers and the split between area code and local number can

>We are no longer in a age where we need to route calls on a digit
>by digit basis.

Right.  North America left that age in 1947, the rest of the world
only caught up in the 2000s.


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