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

tim at tim at
Fri Apr 15 15:13:08 UTC 2016

On Friday, 15 April, 2016 15:51, "John R. Levine" <johnl at> said:

> The US and most of the rest of North America have a fixed length
> numbering plan designed in the 1940s by the Bell System.  They offered
> it to the CCITT which for political and technical reasons decided to
> do something else.  (So when anyone complains that the NANP is
> "non-standard", you had your chance.)  Fixed length numbers allowed
> much more sophisticated call routing with mechanical switches than
> variable length did.

[and a bunch more stuff]

Thanks John - no bashing was intended, genuinely interested in the different models / histories, and that helps.


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