control and listen tetra unencrypted network

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Edoardo Rispoli edoardo.rispoli at gmail.com
Thu Jul 12 17:41:55 UTC 2012


thank you Jesus, the mod is very simple but very useful!
in my area there is a only tetra network (52 bts) with many services, so i
can distingue each service by the gssi.

for the on-line decoder, i think that is better to maintain it off-line....

2012/7/12 Jesús F. Trujillo <elyeyus at gmail.com>

> I have inspected the code and seems that will work flawlessly. I'm doing
> some research in order to split the speech code to another source file and
> I will try to link the ETSI codec (that code can not be redistributed) in
> order to get an online decoder.
>
>
>
> 2012/7/12 Media <media06 at gmail.com>
>
>> If will someone testing this let us know how working this... :)
>>
>> 2012/7/11 Edoardo Rispoli <edoardo.rispoli at gmail.com>:
>> > Hi
>> > here are the  source files with my mods for saving the gssi in  the
>> traffic
>> > file.
>> >
>> >
>> >
>> > 2012/7/11 Media <media06 at gmail.com>
>> >>
>> >> if you have it please share with as. I would like to know how it
>> >> sounds and looks like this in practice? Some demos in video? How
>> >> quality is TMO talk which you should hear? Is this mean that u can
>> >> select GSSI (with filter) and listen conversation in unencrypted
>> >> network? if that true that exploration is worth the time and money,
>> >> but otherwise if u can just watch and observe the frequency of events
>> >> - this isn't exactly a successfuly...
>> >>
>> >> 2012/7/11 Edoardo Rispoli <edoardo.rispoli at gmail.com>:
>> >> > yes i can share it in the next day, it is a very simple mod.
>> >> >
>> >> > 2012/7/10 Jesús F. Trujillo <elyeyus at gmail.com>
>> >> >
>> >> >> Would you share your implementation with us?
>> >> >>
>> >> >> Where do you extract the GSSI and SSI information?
>> >> >>
>> >> >> Regards,
>> >> >> Jesús F.
>> >> >>
>> >> >> 2012/7/10 Edoardo Rispoli <edoardo.rispoli at gmail.com>
>> >> >>>
>> >> >>> Hi,
>> >> >>> i use osmocom + FCD Funcube and i can listen all in near-realtime,
>> the
>> >> >>> network in my area use no encryption.
>> >> >>> I have made some mods to save te traffic file with the number  of
>> the
>> >> >>> GSSI or the SSI.
>> >> >>> I have a motorola mth800 and some SELEX VS2001 and PUMA T2
>> >> >>>
>> >> >>>
>> >> >>> 2012/7/8 Media <media06 at gmail.com>
>> >> >>>>
>> >> >>>> hi all,
>> >> >>>>
>> >> >>>> I would like to know, if someone tested the network in ex-jugo
>> states
>> >> >>>> (like is Slovenia)? In our country use no encrypted network
>> (clear,
>> >> >>>> no
>> >> >>>> TEA encrypted)... So, i wonder if is possible with osmcom project
>> to
>> >> >>>> listen (real time) to tetra groups? If is possible to do this with
>> >> >>>> DVB-T reciver, like this:
>> http://www.youtube.com/watch?v=Z0hEquzLsWU
>> >> >>>> product: https://www.cosycave.co.uk/product.php?id_product=220This
>> >> >>>> means that you can monitoring all tetra network, but not for
>> >> >>>> voice,because i need a voice decoder?
>> >> >>>>
>> >> >>>> Thanks for help and answers.
>> >> >>>>
>> >> >>>
>> >> >>
>> >> >
>> >
>> >
>>
>
>
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