[asterisk-users] How to detect fake CallerID? (8xx?)

[Steve Edwards]

On Wed, 10 May 2017, J Montoya or A J Stiles wrote:

> Presumably your staff carry mobile phones.  What about an app that gets 
> the ID of the cell tower to which it is connected, and passes it and the 
> SIM number in a HTTP request to a server you control?

The problem is that they are supposed to use the 'site landline' to 
confirm presence -- not their cell phone with the spoofed CID.

-- 
Thanks in advance,
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Steve Edwards       sedwards at sedwards.com      Voice: +1-760-468-3867 PST
             https://www.linkedin.com/in/steve-edwards-4244281