[TheList] KorKor Tetra Digital/ Tel.Clr. ringback

Fri Jan 13 16:51:09 AEDT 2012

  * 07 832 0000 - automated information (free call) who your toll
    provider is.
  * 1956 - reads back number you are currently calling from (includes
    the area code 03 7654321)
  * 1957 - reads back the number you are currently calling from (without
    the area code eg 7654321)
  * 511 - reads back the number you are currently calling from
    (TelstraClear Only)
  * 083201234 - reads back the pilot number of the line you are calling
    from (if calling from a business line in a stepping group) or the
    individual number on the Telstra network.
  * 083201231 - reads back the pilot number as above, with area code
  * 083201232 - returns the DTMF tones of the line you are calling from
  * 137 - ringer test (ringback number); when dialled you can select
    that after you hang up it will call back to test your line rings

http://en.wikipedia.org/wiki/Telephone_numbers_in_New_Zealand 
<http://en.wikipedia.org/wiki/Telephone_numbers_in_New_Zealand>

On 13/01/2012 12:27 p.m., Luke Tuffery wrote:
> Hi John,
>
> I know TelstraClear 'read-back' number is "511" as for ring test.
>
> Hope this helps
>
> Cheers
> Luke
>
>
>
> -----Original Message-----
> From: thelist-bounces at radiowiki.org.nz
> [mailto:thelist-bounces at radiowiki.org.nz] On Behalf Of Daniel Richards
> Sent: Friday, 13 January 2012 11:24 a.m.
> To: thelist at radiowiki.org.nz
> Subject: Re: [TheList] KorKor Tetra Digital/ Tel.Clr. ringback
>
> http://webcache.googleusercontent.com/search?q=cache:QqBFNPV3o40J:citeseerx.
> ist.psu.edu/viewdoc/download;jsessionid%3DE71B6F1AE10577B2DFD416A8AFD37D59?d
> oi%3D10.1.1.117.7692%26rep%3Drep1%26type%3Dpdf+&hl=en
>
> AFAICT the ciphers are closed proprietary ones (which means they're
> probably weak/crap) but I haven't seen any papers announcing crypto
> breaks on them.
>
> So no, there's no "software" you can use to crack the crypto on Tetra
> systems at the moment, even with a discriminator tap/SDR.
>
> (Feel free to correct me if you turn something up something more than
> what my quick google search did)
>
>
> On Fri, Jan 13, 2012 at 11:15 AM, John Barnhill<barny1 at clear.net.nz>  wrote:
>> Has anyone any info. on the 'KorKor' Tetra Digital system as far as
>> decryption goes- discriminator tap to some sort of software program
> perhaps?
>> Also does anyone have the 'TelstraClear' numbers for 'ringer test' and
>> 'read-back' number of the line you are calling from, similar to the
> Telecom
>> (137)&  '1956/1957' numbers, and if so are they the same for all NI/SI
>> Telstra Clear areas of service?
>>
>> Thanks,
>>
>> John Barnhill
>>
>>
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>>
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