They are most likely looking up the TN in LIDB.* *Since its so easy to buy a DID online anymore and spoof caller id they are probably trying to make sure this isnt happening because of all the fraud and whatnot on craigslist. * >From Wikipedia: LIDB* is an acronym <http://en.wikipedia.org/wiki/Acronym> for Line Information DataBase<http://en.wikipedia.org/w/index.php?title=Line_Information_DataBase&action=edit&redlink=1>, which is used by traditional telephone<http://en.wikipedia.org/wiki/Telephone>companies to store and retrieve Caller ID <http://en.wikipedia.org/wiki/Caller_ID> records. Local phone switches, also known as Class 5 switches<http://en.wikipedia.org/wiki/Class_5_telephone_switches>, use SS7 <http://en.wikipedia.org/wiki/SS7> signaling protocol to query these centralized databases <http://en.wikipedia.org/wiki/Databases> and pass this information during call set up.
Jarrod Lash, <[email protected]> Federated Communications 206 Timberyoke Dr Pittsburgh PA 15108 United States of America Office: +1-412-357-2127 Mobile: +1-412-999-0049 Fax: +1-412-545-8368 On Tue, Jun 16, 2009 at 5:52 PM, Barton Fisher <[email protected]> wrote: > Call me curious, but I've read Craig's List won't PVA (Phone Verified > Accounts) VoIP and certain CLEC DID's. > I'm wondering how they could know for sure the number was one of these. > Quick search I find nothing that > might provide a reliable method for test a number before dialing it - any > ideas? > > Bart > > _______________________________________________ > --Bandwidth and Colocation Provided by http://www.api-digital.com-- > > asterisk-biz mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-biz > --
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