![]() CallTower CallTower is a company that provides unified communications, contact centers, and collaboration solutions. | ![]() Plum Voice Plum Voice (also known as The Plum Group) is a communications technology company that specializes in interactive voice response (IVR), call routing, messaging, and voice conversations. | Regroup Mass Notification Regroup Mass Notification (also known as Dais) is a company that provides emergency notification software services. | |
Founding Date | Founding Date 2002 | Founding Date 1999 | Founding Date 2006 |
Type | Type Subsidiary | Type Private | Type Private |
Tags | |||
Locations | Locations South Jordan, US HQ South Jordan, US | Locations New York, US HQ Boston, US Denver, US | Locations Richardson, US HQ |
Employees | Employees 2313% increase | Employees 3 | Employees 1134% decrease |

Plum Voice (also known as The Plum Group) is a communications technology company that specializes in interactive voice response (IVR), call routing, messaging, and voice conversations.
View companyRegroup Mass Notification (also known as Dais) is a company that provides emergency notification software services.
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