[Standards] XMPP in ENUM / ENUM in XMPP

[Mikael Magnusson]

Matthias Wimmer wrote:
> Hi Peter!
> 
> Peter Saint-Andre schrieb:
>> "You take a phone number, reverse and dot notate it, do a look up for 
>> NAPTR records, the right hand side is used for a regex replacement 
>> (you can add \\1 for wild cards etc, but that's about it), and you end 
>> up with a URI."
> 
> Yes ... that's how it works. Not really very hard, the most challenging 
> part again might be implementing NAPTR lookups in DNS.
> 

Fortunately there exist DNS libraries which simplifies it. For example 
UDNS, a DNS resolver library with NAPTR support. It's GNU LGPL licensed 
and is also ported to MS Windows.