What are your intentions for this knowledge, Moses?
Good intentions I assure you!It involves the development of a mobile application.Sorry,I cannot go into the details since that would breach the terms of a certain NDA agreement and I am a coward when it comes to dealing with witty lawyers! :)
I assume what you want to find out is the BTS (signalling towers) that last received the signal of the phone/MSISDN in question. Only law enforcement agencies e.g. NSIS have direct access to lawful interception gateways (which readily have this info in real time)or at least can get the last Cell/site ID(a.k.a cellular triangulation info) of the phone/number via internal anti-fraud telco staff.
FYI, cellular triangulation info is not as primitive as you put it. I was comparing it to GPS,which I would argue is more advanced.
Every mobile phone sends this info on initiating a call or while performing hand-overs between BTSs. Tapping this info requires you to intercept and reconstruct a GMSK modulated digital signal, perform some frequency hopping, decode a TDMA/CDMA architecture, A3 key decryption between SIM and Authentication centre/HLR...etc..etc... The only part I understood here was '...Tapping this info...' ,after that everything sounded like this : ###$%$%^%&%&^*&*(%#$%%^%&^*& ! :) Thank you nonetheless,this gives me a lot to chew on as I research on ways of achieving the stated objectives.
Its an incredibly long shot my friend...Your intentions might be good but I doubt you can get this information. Yep,my intentions are good(as explained above).From your explanation,I take it that MNOs readily have this information at any given time and the only obstacle that remains is for an individual or organisation to access it,right?
How about the status of a number,is there a way to know whether it's up or down the way you would on an IP network?
On 5 March 2012 14:26, Bernard Mwagiru
<bmwagiru@gmail.com> wrote:
What are your intentions for this knowledge, Moses?
I assume what you want to find out is the BTS (signalling towers) that last received the signal of the phone/MSISDN in question. Only law enforcement agencies e.g. NSIS have direct access to lawful interception gateways (which readily have this info in real time)or at least can get the last Cell/site ID(a.k.a cellular triangulation info) of the phone/number via internal anti-fraud telco staff.
FYI, cellular triangulation info is not as primitive as you put it.
Every mobile phone sends this info on initiating a call or while performing hand-overs between BTSs. Tapping this info requires you to intercept and reconstruct a GMSK modulated digital signal, perform some frequency hopping, decode a TDMA/CDMA architecture, A3 key decryption between SIM and Authentication centre/HLR...etc..etc...
Its an incredibly long shot my friend...Your intentions might be good but I doubt you can get this information.
./bernard
Skunks,
I have two 'stupid' questions.
1.0 When you want to know whether a host on network is up or down you ping it,right?Is there an equivalent on mobile phones?If I want to know whether 0725****** is an operational
number,is there a way of finding out without calling the number or calling Safaricom to ask them about it?
2.0 We know the location of a mobile device can be discovered using GPS or Cellular tower triangulation.If,for example,a person is using a feature phone then GPS is out of
question.Is there a way to tap(for lack of a better word) into the service provider's triangulation info and send the info to the mobile number or store it for other uses?Think of it as
a primitive navigation system.
Anyone even with remote knowledge of how these two work will be of great help to me right now!
--
Kind Regards,
Moses Muya.
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Moses Muya.
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