Comment by inigyou
2 hours ago
that is not new. It is newer than the phreakable one but it is many decades old from before there were things like encryption, and Linux.
2 hours ago
that is not new. It is newer than the phreakable one but it is many decades old from before there were things like encryption, and Linux.
Current system, unfortunately.
No, that's not true, there is no single current system. There is no telephony equivalent to BGP. Each separate interconnection uses whichever protocol it wants to.