Sonus Networks

IPO

Ribbon Communications

Public · Westford, United States · Founded 1997 · $23.0M raised

Employees
1001–5000
Founded
1997
Business Model
B2B
Total Funding
$23.0M
Last Round
$23.0M Series CDec 1999
Rounds
1
Type
Public

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

Indexed holds 2 funding rounds and 1 investor for this company. The full record is or through the API.

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

10 technologies & apps tracked

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Funding & Exit History

IPOMay 2000
$100.0M

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Funding: Series C. Amounts, valuations, and investors where available.

Investors

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Sonus Networks on Indexed.vc
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