"Bob MorrisG" wrote:
Technicians in the tracking station can, if necessary, track a particular call back to the cell site from which it originates. But the monitoring can not be done unless the phone is in use. [ Is that true? ]
I wonder about this. A friend had a Motorola handset he was using with our (Telecom) AMPS service. When in stand-by mode, it polls the closest cell to determine link quality and whether any slots are available for use. When we were on holiday a few months ago, we stayed in a little seaside town (ie. a small cell) and I can remember eating and noticing the phone switch to `no service' for a few minutes, presumably as the cell was fully loaded. While travelling through a National Park the following day, in the middle of nowhere effectively, the same thing happened as we went out of network range for a couple of hours. The question is whether this polling includes the handset identifying itself to the cell. Matthew. -- Matthew Gream <M.Gream@uts.edu.au> -- Consent Technologies, (02) 821-2043 Disclaimer: I'm only a student at UTS