[LINK] Reverse engineering phone number
lannet at lannet.com.au
Tue Jun 21 07:16:59 EST 2005
Roger Clarke wrote:
>> On Mon, 2005-06-20 at 16:25, Steve Jenkin wrote:
>>> On Mon, 2005-06-20 at 15:47 +1000, Howard Lowndes wrote:
>>> > I was under the impression, from discussions on this list, that
>>> > engineering phone number in AU was illegal except for emergency
>>> > etc.
>>> I think it's illegal to reverse the white pages directory.
> tal <tal at pacific.net.au>:
>> as far as i know, it's illegal to reverse engineer it, but then you just
>> don't have to ... Telstra sells it! whenever i call a Taxi the
>> automated service asks if this is <me> at <my address>, so what is the
>> issue here? that Telstra sells it?
> As far as I'm aware, you volunteer the data to the taxi-company by
> having your number open to calling number display. Their systems store
> data associated with each call, including the number, the address that
> you ask the cab to come to, and the name that you volunteer. Next time
> you call, they use the number you dial from as the key, and up pops all
> of the previously-stored data.
> Some people call that a service. If the default was non-display of
> calling number, and if the benefits and risks of switching on calling
> number display were clearly communicated to the public, I'd agree with
> them. 'People with nothing to fear' could switch it on, and
> 'persons-at-risk' could leave the switch in the 'safe' position.
> As it is, calling number display is opt-out (per line, or using #1832 -
Roger, it's 1831 (normal) or #1831 (special circuits) or #31# (mobile)
to block CLID and 1832 #1832 *31# to display CLID. It may not appear on
the Telstra website but at least it's in the phone directory.
> try looking for per-call-blocking on the Telstra site!!) and its
> implications are poorly explained. So privacy advocates generally have
> always been, and remain, strenuously opposed to the opt-out arrangements.
What is even more so, if you want to have your postal address
substituted for your street address in the phone directory then it costs
you a monthly fee.
If you want to enable CLID presentation on PSTN phone lines then it
costs you a monthly fee.
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