You must have an AT&T Unified Messaging account or an AT&T U-verse Voice account in order to use this app. To order AT&T Unified Messaging or AT&T U-verse Voice, call 1-800-288-2020 or visit att.com. The AT&T VM Viewer app makes it easier to stay o
| Category | Productivity |
| Requirements | All Platforms |
| License | Free |
| Offered By | N/A |