Bessemer Venture Partners

Founded in 1911, Bessemer Venture Partners is a venture capital firm based in Redwood City, California. With over $4 billion under management, the firm invests globally across various sectors including artificial intelligence & machine learning, biotech, cloud, consumer, cybersecurity, deep tech, developer, fintech, healthcare, marketplaces, and vertical software. Known for its long-standing support of entrepreneurs, Bessemer has backed companies such as Pinterest, Shopify, Twilio, Yelp, and Linkedin.

Eric Arnold

Vice President

Kent Bennett

Partner

Thomas Berger

Partner

Charles Birnbaum

Partner

Sam Bondy

Investor

Past deals in VoIP

Twilio

Series E in 2015
Twilio is a cloud-based communications company that empowers developers and businesses to build and integrate voice, video, messaging, and authentication into their applications via a robust set of APIs. By merging cloud computing, web services, and telecommunications, Twilio is transforming traditional telecom, enabling more contextual and personalized customer interactions. The company's Super Network ensures fast, cost-effective communication across the globe.

Speakeasy

Series A in 2015
Speakeasy Tech, Inc. is a San Francisco-based company that specializes in mobile conferencing application software designed to enhance communication and collaboration for businesses. Founded in 2014, the platform provides an intuitive solution for online meetings, enabling users to connect effectively with customers and colleagues. Key features include automatic meeting summaries that track attendance, participation, and call duration, as well as notifications for attendees running late. Speakeasy's technology aims to transform traditional conference call experiences into engaging interactions, ultimately helping businesses increase productivity and strengthen relationships. The application also integrates with customer relationship management systems, assisting users in identifying next steps to drive sales.

Twilio

Series D in 2013
Twilio is a cloud-based communications company that empowers developers and businesses to build and integrate voice, video, messaging, and authentication into their applications via a robust set of APIs. By merging cloud computing, web services, and telecommunications, Twilio is transforming traditional telecom, enabling more contextual and personalized customer interactions. The company's Super Network ensures fast, cost-effective communication across the globe.

Twilio

Series C in 2011
Twilio is a cloud-based communications company that empowers developers and businesses to build and integrate voice, video, messaging, and authentication into their applications via a robust set of APIs. By merging cloud computing, web services, and telecommunications, Twilio is transforming traditional telecom, enabling more contextual and personalized customer interactions. The company's Super Network ensures fast, cost-effective communication across the globe.

Twilio

Series B in 2010
Twilio is a cloud-based communications company that empowers developers and businesses to build and integrate voice, video, messaging, and authentication into their applications via a robust set of APIs. By merging cloud computing, web services, and telecommunications, Twilio is transforming traditional telecom, enabling more contextual and personalized customer interactions. The company's Super Network ensures fast, cost-effective communication across the globe.

Twilio

Series A in 2009
Twilio is a cloud-based communications company that empowers developers and businesses to build and integrate voice, video, messaging, and authentication into their applications via a robust set of APIs. By merging cloud computing, web services, and telecommunications, Twilio is transforming traditional telecom, enabling more contextual and personalized customer interactions. The company's Super Network ensures fast, cost-effective communication across the globe.

Twilio

Seed Round in 2009
Twilio is a cloud-based communications company that empowers developers and businesses to build and integrate voice, video, messaging, and authentication into their applications via a robust set of APIs. By merging cloud computing, web services, and telecommunications, Twilio is transforming traditional telecom, enabling more contextual and personalized customer interactions. The company's Super Network ensures fast, cost-effective communication across the globe.

Skype

Series A in 2003
Skype is a messaging and VOIP service that enables voice and video calls, chats, and file transfers over the internet. It supports group video conversations and cross-device use on phones, computers, and other screens. The service includes features such as voicemail and call-forwarding, end-to-end encryption for calls and chats, and flexible options for personal or business use. Skype is a product of Microsoft, developed since its launch in 2003, and is associated with connecting people, colleagues, and customers across different locations, facilitating collaboration and communication globally. It is headquartered in Luxembourg.

Pelago Networks

Series B in 2002
Pelago Networks is a provider of enhanced voice, data, and video services to their business customers via wireless or wireline broadband access networks.

Octave Communications

Series D in 2001
Octave Communications, Inc. specializes in the development of advanced audio and multimedia conferencing systems tailored for service bureaus, carriers, and enterprises. The company has set a new standard in the telecommunications sector by offering reliable, scalable, and cost-effective communication solutions to both domestic and international clients. Octave's platform supports a wide range of applications, including voice and data conferencing over circuit-switched and IP networks. Additionally, the company provides services such as voice conferencing, wireless communication, presence management, speech recognition, and voice over IP (VoIP), positioning itself as a comprehensive provider in the conferencing domain.

mindSHIFT Technologies

Venture Round in 2001
mindSHIFT Technologies specializes in managed IT services and cloud solutions tailored for small and medium-sized organizations. The company offers a comprehensive range of services, including information technology outsourcing, voice-over-internet protocol, off-site data backups, help desk support, remote access, and hosted exchange services. Additionally, mindSHIFT provides software-as-a-service (SaaS) solutions, e-business applications, managed hosting, archiving, server monitoring, and management. With a focus on creating affordable and proactive IT environments, mindSHIFT is accredited by the MSP Alliance and recognized as one of the leading managed services providers globally.

Pelago Networks

Series A in 2000
Pelago Networks is a provider of enhanced voice, data, and video services to their business customers via wireless or wireline broadband access networks.

mindSHIFT Technologies

Venture Round in 2000
mindSHIFT Technologies specializes in managed IT services and cloud solutions tailored for small and medium-sized organizations. The company offers a comprehensive range of services, including information technology outsourcing, voice-over-internet protocol, off-site data backups, help desk support, remote access, and hosted exchange services. Additionally, mindSHIFT provides software-as-a-service (SaaS) solutions, e-business applications, managed hosting, archiving, server monitoring, and management. With a focus on creating affordable and proactive IT environments, mindSHIFT is accredited by the MSP Alliance and recognized as one of the leading managed services providers globally.

Octave Communications

Series C in 2000
Octave Communications, Inc. specializes in the development of advanced audio and multimedia conferencing systems tailored for service bureaus, carriers, and enterprises. The company has set a new standard in the telecommunications sector by offering reliable, scalable, and cost-effective communication solutions to both domestic and international clients. Octave's platform supports a wide range of applications, including voice and data conferencing over circuit-switched and IP networks. Additionally, the company provides services such as voice conferencing, wireless communication, presence management, speech recognition, and voice over IP (VoIP), positioning itself as a comprehensive provider in the conferencing domain.

Telica

Series B in 2000
Telica is a telecommunications solution company specializing in intelligent broadband switching systems designed for service providers. The company focuses on delivering dependable data and voice services over public networks by aggregating, simplifying, and normalizing the switching and transport of voice and data sessions. Telica's technology operates independently of narrowband or broadband access, utilizing a unified broadband packet network. Additionally, the company offers Voice over Internet Protocol (VoIP) solutions and has expertise in SS7 switching and intelligent networks, catering to both Incumbent Local Exchange Carriers (ILECs) and Competitive Local Exchange Carriers (CLECs).

Terawave Communications

Series B in 2000
Terawave Communications, Inc. is a manufacturer of converged access and multi-service networking solutions, specializing in optical components for communications equipment. The company offers multi-service aggregation and passive optical network (PON) products that facilitate the convergence of data, voice, video, and circuit services. Founded in 1998 and headquartered in Hayward, California, Terawave operates additional offices in North America, Europe, and Asia. Its customer base includes service providers, government agencies, and enterprise clients across the United States, Europe, Asia, Africa, and Latin America.

Sonus Networks

Venture Round in 1999
Sonus Networks, now known as Ribbon Communications, specializes in Session Initiation Protocol (SIP)-based communication solutions and Session Border Controller (SBC) technology. The company provides these services to enterprises and service providers worldwide, facilitating Unified Communications in the Cloud. Additionally, Ribbon Communications offers mobile network operations and integrates solutions with Microsoft, enhancing connectivity and communication capabilities for its clients. By focusing on these areas, the company aims to streamline and secure communication processes across various platforms and networks.

Octave Communications

Series B in 1999
Octave Communications, Inc. specializes in the development of advanced audio and multimedia conferencing systems tailored for service bureaus, carriers, and enterprises. The company has set a new standard in the telecommunications sector by offering reliable, scalable, and cost-effective communication solutions to both domestic and international clients. Octave's platform supports a wide range of applications, including voice and data conferencing over circuit-switched and IP networks. Additionally, the company provides services such as voice conferencing, wireless communication, presence management, speech recognition, and voice over IP (VoIP), positioning itself as a comprehensive provider in the conferencing domain.
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