AT&T (NYSE:T) announced plans for a new portfolio of all-digital, IP-based home security monitoring and automation services. Called AT&T Digital Life, the services are intended to give users control and security of their homes using any web-enabled device, PCs, tablets and smartphones, regardless of wireless carrier.AT&T plans to begin trials in Atlanta and Dallas this summer. Managed by a newly created Digital Life group, the remote monitoring and automation portfolio will feature web-based access to automation, energy and water controls, as well as professionally monitored security services.