Sonus Networks
IPOWestford, United States · Founded 1997 · $23.0M raised
- Headquarters
- Westford, New Hampshire
- Employees
- 1001–5000
- Founded
- 1997
- Business Model
- B2B
- Website
- ribboncommunications.com
- Total Funding
- $23.0M
- Last Round
- $23.0M Series CDec 1999
- Rounds
- 1
About
VoIP infrastructure provider for wireline and wireless carriers; rebranded to Ribbon Communications in 2018.
Summary
Sonus Networks is a company based in Westford, United States, founded in 1997. It has raised $23.0M in total across 1 round, most recently a $23.0M Series C round in Dec 1999. Investors include CRV (Charles River).
Tech & App Stack
9 technologies & apps tracked
Create a free account — 10 credits a month to unlock the full tech & app stack, funding history, and valuations.
Sign up to view the funding chart
Create a free account — you'll get 10 credits a month to unlock funding history, valuations, and tech stacks.
Funding History
IPOMay 2000
$100.0M
May 2000
Sign up to see all 2 rounds
Full funding history, per-round amounts, and investor participation.