Avaya
Sequoia Capital
Twilio
Dropbox
NetSuite
Juniper Networks
GroupMe
Khosla Ventures
Freshworks
Silicon Valley Bank
Mitel
Workday, Inc.
Cisco
Salesforce
American communications firm
ringcentral.com
RingCentral, Inc. is an American provider of cloud-based communication and collaboration products and services. CEO Vlad Shmunis and CTO Vlad Vendrow founded the company in 1999. Wikipedia
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