[asterisk-users] Re: Open CallerID Database?

[Jon Pounder]

Quoting Natambu Obleton <natambu at gmail.com>:

> So how does this start? I mean it wouldn't be hard to modify dns
> server to use 3/3/4 format ip address... or it would need to be
> 3/3/3/4 for international right and someone wrote a module for
> asterisk look up that way and then I took my SS7 connection and setup
> a GTT gateway to a server so that real telco's could query it over SS7
> and use my other CNAM provider as backup so that people could make me
> their main connection, but alas...

I think you have the format of the address space reversed conceptually but the
idea would work - the countrycode, area code etc are like the .com in dns and
then exchange like the 2ld, and number like the hostname.

the only modification would be to set different root servers for this sort of
parallel system, and have someone actually in charge to delegate the 
subdomains
etc.

registering a domain name has cost for the admin part of it, but is someone
really going to pay to register a phone number they already pay for ? (the
administration has to be paid for somehow)

I am not trying to criticize, but just pointing out the realities of making it
work.


>
> most cnam providers don't allow you to resale lookups. Time to move
> on, but it would be kewl to start a revolution. :)
>
> On 2/20/07, Anselm Martin Hoffmeister <anselm at hoffmeister-online.de> wrote:
>> Am Dienstag, den 20.02.2007, 14:54 -0500 schrieb Mike Lynchfield:
>> > Well caching is the way to go., bu then again most of the current
>> > solutions have this problem.
>> >
>> > John smit has a DID.. 514 555 1234 and closes account.. did sleeps for
>> > 3 months and new client Jane doe takes it..
>> >
>> > Now how long should caching be ? this is a big problem ATM because
>> > some cache for 1 year others 1 day , they don't want to tell how long
>> > nor provider an API update method.
>>
>> Coming back to the DNS example, there are certain timeouts. I have to
>> admit I cannot tell how exactly the timeout values work together, but
>> you _can_ set an absolute timeout after which any cached data (counted
>> from the moment of retrieval) is marked obsolete and a subsequent query
>> occurs. If you set something in the 2-week-range (which may or may not
>> be what many people use in DNS) you can be pretty sure that freshly
>> assigned numbers do not have dangling cache records, assuming the 3
>> months "gap" before assigning the same number again.
>>
>> Assuming one could add an additional TXT record to enum, say
>>
>> name.0.6.0.7.x.x.x.enum.info. TXT "Hoffmeister, Anselm Martin"
>>
>> this would pretty much do the trick. I have no idea wether any standard
>> describes name resolution via enum.
>>
>> The other way around would be more tricky btw., with all those "John
>> Smith" around ;)
>>
>> BR
>> Anselm
>>
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Jon Pounder

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