How do you give directions to the fire service when you do notknow what road you are on?
Roland Perry wrote:
The phone doesn't estimate its cellsite position, it's done in the
network (which already needs to know roughly where you are for the
purposes of hand-offs between masts).
The EISEC system which BT uses to provide caller data to emergency
services gives the mobile's location in terms of an ellipse with given
major/minor diameters.
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