Investor Name	Invest Money	Lead Investor	Propotion

Announced Date	Round	Money Raised	Investors
Dec 23, 2015	Series D	$ 15M	Cerca Partners,Cisco Investments,etc.	Detail
Jan 7, 2019	Series E	$ 30M	Goldman Sachs,GS Growth	Detail
Dec 23, 2015	Debt Financing	$ 12.50M	Silicon Valley Bank,TriplePoint Capital	Detail
Aug 30, 2011	Series B	$ 9.50M	Deutsche Telekom Strategic Investments,Genesis Partners,etc.	Detail
Sep 23, 2010	Series Unknown	$ 4.10M	Deutsche Telekom Strategic Investments,Genesis Partners	Detail
Jan 1, 2008	Series A	$ 3M	Genesis Partners	Detail
Mar 6, 2013	Series C	$ 11M	Deutsche Telekom Strategic Investments,Genesis Partners,etc.	Detail
Mar 27, 2015	Series D	$ 10M	Cisco Investments,Deutsche Telekom Strategic Investments,etc.	Detail