News for hackers. Stuff that matters.

A comment on Tell HN: AT&T disabled phone numbers and accounts of users using the old phones. Parent comment

Re:Tell HN: AT&T disabled phone numbers and accounts of user... by p_l on Saturday May 07, 2022 @04:34PM (#31298320)
The radio interface used is 3G/4G, but it still used circuit switching instead of IMS (which uses GPRS channel - just like your 3G/4G/5G data - and SIP, iirc)
[ Parent | on HN ]

There are no comments on this comment yet.