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Hi,

This thread caught my interest. I am just throwing out ideas here:

- One way is to use "guest access" entry/exit status. If you did sign in and sign out in a system that could be used to deny access when you left the building.

- There could be a simple time based access setup. You may have had access only for the duration of the meeting.

- Some vendors also use RFID choke points to determine the physical location of the user. Either inside or outside a given room.

- One could also use RSSI based location information to make that determination. Although I haven't seen a whole lot of accuracy using only RSSI based calculations.

- Is it possible that you were seeing the signal from a different AP when outside the building? If so then, it could simply be a matter of tying access to point of entry into the wireless LAN system.

I am curious to know what you find out.

Thanks,
Rajiv