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greg@defcen.GOV.AU (Greg Price) wrote:

>>>>> : It is a fact that Telstra had a software development project in
>>>>> : progress in early 1995, who's aim is to monitor and log phone connections
>>>>> : through their exchanges, to determine:-
>>>>> :   a) Which calls are voice, and which are modem.
>>>>> :   b) If modem, what baud rate and protocol.
>>>>> :   c) Given (b), to determine whether the link is using encryption.
>>>>> :   d) Lastly, given a positive (c), to attempt to analyse what _sort_
>>>>> :      of encryption it is.

>>>>My guess is so that they can time-charge modems, but without 
>>>>time-charging voice. This means that they can get more revenue, without 
>>>>risking the political firestorm that timed local calls would bring.

>>>It would be unreliable to put in an automatic time-charging for modems;
>>>how can they reliably tell the difference on a per-call basis?

>I would go looking for constant energy from both directions.

>I'm more intrigued by the legal aspects of Telstra undertaking such a project.
>Telstra have had their hand slapped a couple of times for listening to peoples
>lines where it was disputed whether it was for testing and diagnostic, so a
>widespread analysis of what you are doing with your call is certainly heading
>for a grey area. Imagine if Australia Post decided to open all you envelopes
>to determine if you were privately sending particular types of items. As for
>the aim of time-charging modem calls, would they be able to introduce a new
>tariff structure for that service? I thought the government protected the
>pricing of the domestic phone service.

>Greg