STIR/SHAKEN

A framework of technical standards (Secure Telephone Identity Revisited / Signature-based Handling of Asserted information using toKENs) that lets carriers cryptographically sign and verify caller ID information to combat spoofed robocalls. US carriers are required by the FCC to implement it in IP networks.

Sources

• FCC — Combating Spoofed Robocalls with Caller ID Authentication