About Us

Our company, AtomAMPD, LLC, offers our AtomOS based solutions to customers as a managed service under the brand VoIP Defender. AtomAMPD, LLC is an innovative technology company with a global presence, headquartered in the Chicago suburb of Volo, Illinois. Our Disruptive Technology provides one platform and one interface for All Networking and Communications needs. With over 2 million users, our technology is deployed on 5 continents offering improved operational efficiency and ease of use from a single vendor as a managed service.


AtomOS®, our unique core technology was first developed in 2008, is an open-source based operating system, featuring simple installation, ease of use and administration and scales from small to enterprise levels. VoIP Defender’s customers quickly experience significant cost savings while enjoying simplified infrastructure and operations and eliminating reliance on costly and dated ala-carte solutions.

Global Presence

Offices in:

US:  Illinois, California (Silicon Valley), Florida, Georgia (Atlanta)

ASIA: China (Beijing), Malaysia (Kuala Lumpur), India, Indonesia (Jakarta), Singapore, Vietnam, India


Deployed in:

Argentina, Australia, Austria, Brazil, Bulgaria, Chile, China, Colombia, Croatia, Czech Republic, Denmark, Dominican Republic, Finland, France, Georgia, Germany, India, Indonesia, Ireland, Israel, Italy, Japan, Latvia, Lithuania, Malaysia, Mexico, New Zealand, Norway, Panama, Peru, Poland, Romania, Singapore, Slovakia, US, and Vietnam and forever growing...



  • AtomOS Deployed on 5 Continents
  • AtomOS in Development since 2008
  • Currently over 2 million users of our technology
  • Complete End-to-End Communications and Networking Solution.  Infrastructure, Technology, Hardware, Software, Services and Support

Need Help?

VoIP Defender is constantly in pursuit of customer satisfaction. Contact a VoIP Defender expert at 847-719-7795 or get Online Support.

Contact us Now: 847-719-7795