Private company

Selsius Systems

Logo: Selsius Systems Inc., Public domain, via Wikimedia Commons3

Former telecommunications company

Selsius Systems was a telecommunications company in Dallas, Texas that developed and marketed some of the first IP telephony gear. It was co-founded by Richard Platt and David Tucker.2 It is headquartered in United States.1 It is part of Cisco.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

1997Founded1
  • Industrycomputer network1
  • HeadquartersUnited States1

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Selsius Systems was a telecommunications company in Dallas, Texas that developed and marketed some of the first IP telephony gear. It was co-founded by Richard Platt and David Tucker.2

Corporate structure

Selsius Systems is part of a group headed by Cisco. 320 entities, 82 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

From Wikidata.1

Timeline

  1. 1997Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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