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Re:GPT-4o by mabster on Tuesday May 14, 2024 @06:09AM (#40353490)
Companies have complex telecoms but generally want the outside as one company number. Solution, the sender send a packet with the number they should get perceived as. Everyone sends this on. Everyone "looks the other way" by design haha
Re:GPT-4o by mschuster91 on Tuesday May 14, 2024 @06:28AM (#40353613)
So what, gate that feature behind a check that you can only set an outgoing caller ID belonging to a number range that you own.

The technology to build trustable caller ID has existed for a long time, the problem is no one wants to be the one forcing telcos all over the world to upgrade their sometimes many decades old systems.