I have a 'time and attendance' application. Think janitorial or security
kind of thing where an employee goes from location to location.
They're supposed to 'clock in' when they get to a site using a phone at
that site to prove they're there.
Some employees have discovered 'fake caller ID' services can be used to
say they're on site when they are not.
How can I detect a fake CallerID? The INVITE looks the same to me.
If I have the employees call an 8xx number, can I ask my SIP provider to
include more headers to show the real ANI? What would that service be
called?
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Thanks in advance,
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Steve Edwards sedwa...@sedwards.com Voice: +1-760-468-3867 PST
https://www.linkedin.com/in/steve-edwards-4244281
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