Help with silent call

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Snehasish Kar snehasish.cse at LIVE.COM
Sat Nov 3 12:06:33 UTC 2018


Hello

I have read that silent-calls in GSM can be used to make a call to a target MS and listen to it without having the target knowing it. Is this theoretically possible ? If yes, can it be done in OpenBSC or any such way exists to do this or any other alternative does exists?

BR

Snehasish


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