Ask HN: I SMS'd a number and it automatically gave me his name

by deadghost on 10/5/2017, 3:36:11 PM with 1 comments
I sent a SMS message to a number that is not in my contacts and my contacts app Contacts+ automatically fetched his full name. How is it doing this? I do have FB running and the receiver has his number set to 'Friends only' in FB.

  • by rbanffy on 10/5/2017, 3:38:39 PM

    Can you try again with other numbers and see what happens?

    Then, from a network you can capture traffic, try it again.