SS7
I Suppose the cheeto in chief and his cronies are too dumb to know that as china are part of the international telephone network, they can exploit the protocol to re-route calls in the US even if they arent operating there.
I Suppose the cheeto in chief and his cronies are too dumb to know that as china are part of the international telephone network, they can exploit the protocol to re-route calls in the US even if they arent operating there.