AT&T says it has the answer for corporations that want to let employees access work applications from personal phones without becoming a security threat. A new virtualization-style technology that ...

AT&T is shutting down 3G so phones that aren't VoLTE compatible won't work anymore." We contacted AT&T today and will update this article if the company answers our questions.

Neither AT&T nor T-Mobile disclose business-phone subscriber numbers. Verizon Communications and Charter Communications are the only two large carriers that break out the gains in work phone sales.

Major mobile carriers will be shutting down 3G networks in 2022 starting with AT&T which will make the change Tuesday (Feb. 22). The switch will make some older phones and devices useless but will ...