> Why would a network operator allow caller ID to be so easily spoofed? Our protocols are descended from the postal system - the sender is a bit of text writte

> Why would a network operator allow caller ID to be so easily spoofed? Our protocols are descended from the postal system - the sender is a bit of text written on the wrapper. Certifying that is out of the scope of delivering to the addressee. It would involve back and forth with an authority - e.g. showing someone your id before being allowed to post a letter.