[Asterisk-bsd] Caller ID

[Oliver Schneider]

Hello,

Am Dienstag, den 25.11.2008, 13:54 -0600 schrieb Adam Vande More:
> Tim St. Pierre wrote:
> > I have a virtual PRI coming in over SIP, and I found that sometimes calls 
> > coming in to a toll-free DID had really strange caller ID numbers.
> >
> > I opened a ticket with my carrier, and they told me that originating wireless 
> > carriers usually substitute a bogus caller ID number when calling toll-free.  
> > I seem to remember hearing something about a scam that used a cellphone to 
> > falsely authenticate a western union transfer or something like that.
> >
> > Could that be a possibility?
> >
> > -Tim
> >   
> Well, I don't think that can be exactly the same thing here because in 
> the scenario where this is occurring the inbound toll free DID is the 
> same for both calls.  A bit more about the setup since that is probably 
> confusing.  I have a PostGIS db setup with a bunch of polygons 
> representing territories.  Another DB is setup with all phone numbers 
> approximate latitude and longitude.  Asterisk AGI gets the location of 
> the CLI and sends it to PostGIS to see if that point is in a polygon and 
> if so route it to a particular destination number.  As far as I know, 
> all destination numbers except one are receiving the correct CLI.  So 
> maybe my PRI carrier is mucking with it....?

A CLIP screening was also my first idea  usually on a PRI this shouldn't
happen. On a PRI line it should be worth asking the provider, if they
disable it.

regards
Oliver