2 ms·
They traverse the SS7 signaling network. This is the network that routes voice calls on the POTS lines.
by LinuxBender 6y ago
They traverse the SS7 signaling network. This is the network that routes voice calls on the POTS lines.
- fergbrain 6y agoOh interesting...but it also sounds like SIGTRAN provides signaling using SCTP associations over the Internet Protocol?
- LinuxBender 6y agoSame idea just much older protocols. No security, plain text, easy to spoof just like caller ID which also uses SS7.