Sonus Networks
IPO- 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.
Tech & App Stack
Tech & App Stack is available on paid plans
Upgrade to Silver or higher to reveal the full technology and app stack for any company.
View pricingSign up to view funding chart
Create a free account to see funding visualizations and detailed round data.
Create Free AccountFunding History
IPOMay 2000
$100.0M
May 2000
Sign up to see all 2 rounds
Full funding history, per-round amounts, and investor participation.
Create Free AccountInvestors
Sign up to view investors
Create a free account to see which investors have funded this company.
Create Free Account