Important Information


Connections to the AT&T mobile network require an active SIM card inserted into your AT&T wireless device and a valid data plan.


AT&T Communication Manager is compatible with Microsoft® Windows® XP, Windows Vista®, and Windows 7 and Mac OS 10.4 or above.

©2018  AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, and DIRECTV are registered trademarks and Mobilizing Your World is a service mark of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks are the property of their respective owners.