Re: Phone tapping in India

[Gary Howland <gary@systemics.com>]

Arun Mehta wrote:
>  
> Under a box titled "Beware of blank calls", the newspaper mentions that
> when the sleuths ring your number to start tapping, you get a "blank" call
> (which one is quite used to here -- if that were enough evidence, the whole
> of India is being tapped!)
> 
> What technology is this? If it indeed works this way, what is to prevent any
> large company or rich person from procuring the same hardware?

Do telephones have "caller control" in India? (ie. if you call
someone, can the callee not hang you up?).  If they do, then the
technology is quite straightforward, being a device that emulates
the exchange and proxies on calls.

Gary
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