GSM & A5

[Ian Brown]

Owen Lewis wrote:
>You confuse your issues.

Nope; you seem to be trying to confuse your own argument.

>Transmitter location and user location are not of necessity
>linked.

Nor even the location of a given transmitter today and tomorrow: the first
reason why your assertion that mobile phones are inherently trackable was
wrong.

>>* Because calls can be routed via intermediaries that hide source and
>>destination from observers and especially home networks

>What do mean by a 'home network'?

The mobile phone operator you contract with.

>If you switch on your mobile phone it will
>identify itself to any network base station in range.

And the whole point is that it *technically* doesn't need to identify itself
with a long-term identity that is linkable to an individual. Second reason
you were wrong about inherent features.