T-Mobile and Sprint can now verify that callers are real to protect against spam
T-Mobile and Sprint can now verify that calls coming from one another’s network are genuine and show customers that an incoming call is real. The process is meant to protect against spam and robocalls, and it should help where the feature is supported.
The verification program, using a system known as SHAKEN/STIR, validates that calls from another network came from an actual caller on that network. That allows the receiving party to see some kind of symbol or alert informing them that the call is verified as real, theoretically encouraging them to pick up the phone because they can be relatively confident that an actual person is on the line.
Every phone service provider needs to set up the system and integrate it with every other…