How to cannonicate numbers in international form
werner at openmoko.org
Thu Jul 17 22:57:23 CEST 2008
Tilman Baumann wrote:
> I would have never expected anything so bizarre.
> I don't hink matching numbers from the right is a good idea in any way.
Matching from the right would tell you what numbering plan applies.
You'd match the actual number from the left. Caveat: internal numbers
that are dialed along with the normal number.
> We could make some blacklist for these known broken countries and hand
> crafted code for these irregularities.
I'm not sure how many exceptions you'll need in the end. I would
expect similar issues to exist in other countries that don't have a
uniform national numbering plan, except perhaps that "magic" 9.
Then add fun stuff like carrier selection and such. It does get
> I assume you could even in Buenos Aires dial 15-xxxx-xxxx OR +54 9 11
> xxxx xxxx?
> But way resort to such methods if the only reason is some crazy corner
You still need it if you want to handle different-length local parts.
The cost of making it flexible doesn't seem to be be particularly high,
and you could always use something like "last 7 digits" as the default
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