No subject


Thu Jan 15 22:29:28 CST 2009


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, <jarrod at fed-com.com>
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 <bart at icpage.com> 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
>
> _______________________________________________
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>
> asterisk-biz mailing list
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They are most likely looking up the TN in LIDB.<b>=A0 </b>Since its so easy=
 to buy a DID online anymore and spoof caller id they are probably trying t=
o make sure this isnt happening because of all the fraud and whatnot on cra=
igslist.<br>
<b><br>From Wikipedia:<br>LIDB</b> is an <a href=3D"http://en.wikipedia.org=
/wiki/Acronym" title=3D"Acronym" class=3D"mw-redirect">acronym</a> for <a h=
ref=3D"http://en.wikipedia.org/w/index.php?title=3DLine_Information_DataBas=
e&amp;action=3Dedit&amp;redlink=3D1" class=3D"new" title=3D"Line Informatio=
n DataBase (page does not exist)">Line Information DataBase</a>, which is u=
sed by traditional <a href=3D"http://en.wikipedia.org/wiki/Telephone" title=
=3D"Telephone">telephone</a> companies to store and retrieve <a href=3D"htt=
p://en.wikipedia.org/wiki/Caller_ID" title=3D"Caller ID">Caller ID</a> reco=
rds. Local phone switches, also known as <a href=3D"http://en.wikipedia.org=
/wiki/Class_5_telephone_switches" title=3D"Class 5 telephone switches">Clas=
s 5 switches</a>, use <a href=3D"http://en.wikipedia.org/wiki/SS7" title=3D=
"SS7">SS7</a> signaling protocol to query these centralized <a href=3D"http=
://en.wikipedia.org/wiki/Databases" title=3D"Databases" class=3D"mw-redirec=
t">databases</a> and pass this information during call set up.<br>
<br>Jarrod Lash, &lt;<a href=3D"mailto:jarrod at fed-com.com">jarrod at fed-com.c=
om</a>&gt;<br>Federated Communications<br>206 Timberyoke Dr<br>Pittsburgh P=
A 15108<br>United States of America<br>Office: +1-412-357-2127<br>Mobile: +=
1-412-999-0049<br>
Fax: +1-412-545-8368<br><br><br><br><div class=3D"gmail_quote">On Tue, Jun =
16, 2009 at 5:52 PM, Barton Fisher <span dir=3D"ltr">&lt;<a href=3D"mailto:=
bart at icpage.com">bart at icpage.com</a>&gt;</span> wrote:<br><blockquote class=
=3D"gmail_quote" style=3D"border-left: 1px solid rgb(204, 204, 204); margin=
: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Call me curious, but I&#39;ve read Craig&#39;s List won&#39;t PVA (Phone Ve=
rified Accounts) VoIP and certain CLEC DID&#39;s.<br>
I&#39;m wondering how they could know for sure the number was one of these.=
 Quick search I find nothing that<br>
might provide a reliable method for test a number before dialing it - any i=
deas?<br>
<br>
Bart<br>
<br>_______________________________________________<br>
--Bandwidth and Colocation Provided by <a href=3D"http://www.api-digital.co=
m--" target=3D"_blank">http://www.api-digital.com--</a><br>
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asterisk-biz mailing list<br>
To UNSUBSCRIBE or update options visit:<br>
 =A0 <a href=3D"http://lists.digium.com/mailman/listinfo/asterisk-biz" targ=
et=3D"_blank">http://lists.digium.com/mailman/listinfo/asterisk-biz</a><br>=
</blockquote></div><br><br clear=3D"all"><br>-- <br><br>

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