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Reply To: encryption algorithm


Q- what is 3gpp recommendation for the air interface encryption algo?

1- A/3 is the new standard, but the standard encryption recommended is A5/1.

Q- is this feasible within a vendor’s MSC and BSS that MSC and BSS are configured with different algorithms?

2- nope. All equipment support A5/1 by default. Now, one equipment may support a5/3 (the new one), but not the other equipment. In this case, both equipment will switch down to a5/1.pix