Sigma Networks

closed

Sigma Networks Open Source VoIP Solutions.

Launch date

2001

Sunnyvale California (HQ)

Date	Investors	Amount	Round
Feb 2001	Benchmark Oak Investment Partners Technology Crossover Ventures Marc Andreessen Epoch Investment Partners Frontenac Capital Group Comdisco Ventures Reed Hundt Sand Hill Capital Focus Ventures	$435m	Growth Equity VC
Total Funding		€395m

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