IVP

IVP is a late-stage venture capital firm based in Menlo Park, California, investing in information technology and other growth-stage technology companies in North America. With a 40-year history, IVP has partnered with numerous breakout companies to achieve sustainable scale and public offerings, and its portfolio includes notable firms such as Amplitude, Brex, Coinbase, Crowdstrike, Datadog, Discord, Klarna, Slack, Snap, and Twitter. The firm focuses on guiding founders through growth, product, and go-to-market challenges, serving as a strategic partner to help portfolio companies reach their full potential.

Clay Berger

Senior Associate

James Black

Partner

Todd Chaffee

Managing Director and Partner

Christopher Esqueda

Senior Vice President, Finance

Norm Fogelsong

Partner

Past deals in VoIP

Discord

Series H in 2021
Discord operates as a communication platform offering voice, video, and text services for users to interact with friends and communities. Originally created for gamers, it has since expanded its user base to include various groups such as art communities, study groups, and local clubs.

Discord

Series F in 2018
Discord operates as a communication platform offering voice, video, and text services for users to interact with friends and communities. Originally created for gamers, it has since expanded its user base to include various groups such as art communities, study groups, and local clubs.

Discord

Series E in 2018
Discord operates as a communication platform offering voice, video, and text services for users to interact with friends and communities. Originally created for gamers, it has since expanded its user base to include various groups such as art communities, study groups, and local clubs.

Discord

Series D in 2017
Discord operates as a communication platform offering voice, video, and text services for users to interact with friends and communities. Originally created for gamers, it has since expanded its user base to include various groups such as art communities, study groups, and local clubs.

Voxer

Venture Round in 2012
Voxer, LLC is a mobile communication application developer based in San Francisco, California. Founded in 2007 and originally known as RebelVox, LLC, the company rebranded to Voxer in March 2011. Voxer offers a push-to-talk service compatible with iOS and Android devices, enabling users to send instant voice, text, and photo messages in real time. The application is designed for teams, featuring end-to-end encryption and supporting communication over 3G, 4G, or Wi-Fi networks. This allows for secure, real-time messaging, facilitating effective collaboration among users worldwide.

Varolii

Series D in 2011
Varolii is a leading provider of on-demand communication software that specializes in proactive outbound communications. The company offers software and services designed to automate personalized communications, enabling organizations to effectively engage with their customers and employees. Varolii's solutions facilitate the delivery of critical messages, such as flight cancellation notices, fraud detection alerts, and prescription pick-up reminders, thereby helping clients reduce operational costs and enhance contact center efficiency. With over 380 clients, including major banks, airlines, wireless carriers, utilities, and healthcare organizations, Varolii handles approximately 4 million communications daily. The company is headquartered in Seattle and maintains additional offices in the Boston and Denver metropolitan areas. In October 2013, Varolii was acquired by Nuance Communications.

Vonage Holdings

Series E in 2005
Vonage Holdings Corp. specializes in cloud-based communication services for businesses and consumers. It offers a range of products, including integrated voice, text, video, and data applications, API solutions for embedding communications into apps and websites, and various service plans for home telephone services. Vonage's offerings enable businesses to enhance customer interactions, create new experiences, and leverage data and AI for successful conversations. It serves a diverse range of industries, including healthcare, education, retail, and finance, and operates globally, selling its products through various channels.

Santera Systems

Series D in 2003
Santera Systems is a provider of advanced networking switching products tailored for the communications market. The company specializes in carrier-class, next-generation switches that facilitate both trunk and line functionality, enabling seamless migration from circuit to packet-based systems. Its core offerings include enhanced voice switching, integrated voice and data switching, and voice over broadband solutions. Through its innovative technology, Santera Systems delivers substantial capital and operating cost efficiencies ranging from 50 to 70 percent, making it a compelling choice for businesses seeking to optimize their voice and data transmission capabilities.

Santera Systems

Series B in 2000
Santera Systems is a provider of advanced networking switching products tailored for the communications market. The company specializes in carrier-class, next-generation switches that facilitate both trunk and line functionality, enabling seamless migration from circuit to packet-based systems. Its core offerings include enhanced voice switching, integrated voice and data switching, and voice over broadband solutions. Through its innovative technology, Santera Systems delivers substantial capital and operating cost efficiencies ranging from 50 to 70 percent, making it a compelling choice for businesses seeking to optimize their voice and data transmission capabilities.

Onebox Solutions

Series C in 2000
Onebox Solutions, a subsidiary of j2 Global Communications, Inc., specializes in providing outsourced virtual phone services tailored for small businesses. The company offers a comprehensive suite of communication applications, including virtual phone, fax, and email services. These solutions are designed to streamline various business processes by integrating features such as professional greetings, call routing, messaging, and conferencing into a single platform. Onebox Receptionist exemplifies the company's commitment to delivering cost-effective communication tools that emulate the capabilities of a Fortune 500 phone system, enabling small companies to enhance their operational efficiency without incurring significant expenses.

Onebox Solutions

Series B in 1999
Onebox Solutions, a subsidiary of j2 Global Communications, Inc., specializes in providing outsourced virtual phone services tailored for small businesses. The company offers a comprehensive suite of communication applications, including virtual phone, fax, and email services. These solutions are designed to streamline various business processes by integrating features such as professional greetings, call routing, messaging, and conferencing into a single platform. Onebox Receptionist exemplifies the company's commitment to delivering cost-effective communication tools that emulate the capabilities of a Fortune 500 phone system, enabling small companies to enhance their operational efficiency without incurring significant expenses.
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