L7tr LLC
Link 7 Technology Research is a research and development company that develops network protocol virtualization and real-time communications software. The company makes Netualizer, a network protocol virtualization framework supporting IoT, RTC/VoIP, data network protocols and codecs across distributed, multi-architecture and multi-platform environments, and PXO+, a softphone application with configurable features for fax, codecs, voice XML, and SIP and RTP testing. The company serves Internet of Things, Cyber-Physical Systems, Real Time Communications and Data Networks industries, and specifically identifies call centers as an application area for PXO+.
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| L7tr LLC | Amherst | NH | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


