Matrix

Matrix Partners is a venture capital firm established in 1977, with offices in San Francisco, Cambridge, Shanghai, Beijing, Mumbai, and Bangalore. The firm focuses on seed, early-stage, late-stage, and growth capital investments across various sectors, including software, communications, artificial intelligence, fintech, digital health, and clean technology. With a commitment to building long-term relationships with entrepreneurs, Matrix Partners aims to support visionary founders in developing significant, industry-leading companies. The firm has a strong track record, having participated in hundreds of investments, with many of its portfolio companies achieving successful IPOs or profitable mergers and acquisitions. The team at Matrix Partners combines local insights with global expertise, comprising both former entrepreneurs and seasoned investors.

Ben Altshuler

Partner

Tim Barrows

Partner

Diana Kimball Berlin

Partner

Rahul Chaudhary

Venture Partner

Pranay Desai

Managing Director

Phyllis Doherty

Administrative Partner

Paul J. Ferri

Co-Founder

Jacob Jolis

Partner

Patrick Malatack

Partner

Harry Man

Partner

Kojo Osei

Partner

Kun Qian

Managing Director

Brian Ru

Venture Partner

Varun Singhal

Senior Associate

Dana Stalder

General Partner

David Su

Founding Managing Partner

Ilya Sukhar

General Partner

Sun Linghao

Managing Partner

Huadong Wang

Partner

Kevin Xiong

Partner

Michael Zuo

Partner

T.J. Parker

Partner

Past deals in VoIP

Owl Labs

Series B in 2019
Owl Labs Inc. is a company based in Somerville, Massachusetts, founded in 2014, that specializes in immersive video conferencing technology. It develops and manufactures smart video conferencing cameras, including the Meeting Owl and Meeting Owl Pro, which feature 360-degree capabilities and are designed to enhance the meeting experience for teams. These cameras automatically focus on the speaker, providing a dynamic and engaging visual experience. Owl Labs products are compatible with popular video conferencing platforms such as Google Hangouts, Skype, and GoToMeeting, making them versatile tools for remote communication. The company's innovative approach aims to improve collaboration and interaction in virtual meetings.

VIPKid

Series D in 2018
VIPKid is an education technology company that provides an online platform for English language learning, connecting Chinese children with North American teachers. Established in 2013 and launched in 2014, VIPKid aims to offer an immersive American elementary school experience remotely, enabling students from various regions in China to learn English and gain a broader understanding of the world. The platform supports personalized learning by matching over 500,000 students with more than 60,000 teachers, fostering cultural exchange and a passion for lifelong learning. VIPKid's mission emphasizes the uniqueness of each student and the importance of tailored educational experiences.

Owl Labs

Series A in 2017
Owl Labs Inc. is a company based in Somerville, Massachusetts, founded in 2014, that specializes in immersive video conferencing technology. It develops and manufactures smart video conferencing cameras, including the Meeting Owl and Meeting Owl Pro, which feature 360-degree capabilities and are designed to enhance the meeting experience for teams. These cameras automatically focus on the speaker, providing a dynamic and engaging visual experience. Owl Labs products are compatible with popular video conferencing platforms such as Google Hangouts, Skype, and GoToMeeting, making them versatile tools for remote communication. The company's innovative approach aims to improve collaboration and interaction in virtual meetings.

Easemob

Series C in 2017
EaseMob Technologies is a PaaS-based platform that allows developers to integrate instant messaging, voice, and data services to their apps by providing open API and SDK packages. It offers full support for Android, iOS, and web platforms. Easemob Technologies was founded by Ji Fang, Jervis Liu, Strong Liu, and Johnson Ma in 2013 and is based in Beijing, China.

Easemob

Series B in 2015
EaseMob Technologies is a PaaS-based platform that allows developers to integrate instant messaging, voice, and data services to their apps by providing open API and SDK packages. It offers full support for Android, iOS, and web platforms. Easemob Technologies was founded by Ji Fang, Jervis Liu, Strong Liu, and Johnson Ma in 2013 and is based in Beijing, China.

textPlus

Venture Round in 2015
textPlus, Inc. is a mobile communications service provider that offers WiFi-based communication solutions through its application, textPlus. This app allows users to send text messages, make free calls to both landlines and mobile numbers, and share content across various platforms. textPlus is available on iOS, Android, and Windows smartphones, as well as on devices such as iPod touch, tablets, and Kindle Fire. Founded in 2007 and based in Marina del Rey, California, the company was previously known as GOGII Inc. before rebranding to textPlus in October 2012.

Easemob

Series A in 2014
EaseMob Technologies is a PaaS-based platform that allows developers to integrate instant messaging, voice, and data services to their apps by providing open API and SDK packages. It offers full support for Android, iOS, and web platforms. Easemob Technologies was founded by Ji Fang, Jervis Liu, Strong Liu, and Johnson Ma in 2013 and is based in Beijing, China.

Vargo

Angel Round in 2014
Vargo (Shanghai) Co., Ltd. operates as an Internet company, which provides mobile data secure transmission and storage solutions to its users. It offers security system, which includes software and hardware products such as Vargo Kaifan 2, Vargo Zhuo Yue 2, 24 inch i5/i7 programmer, 24 inch i3 business office, 34 inch one machine, Vargo box, Mobile phone, Mobile Power, bluetooth headset, VagoVE102 Rui Feng BI Vargo, Vargo wireless keyboard; and Zhuo Yue os, and Kai Fan os. It also offers cloud and after sale services. The company was founded in 2012 and is based in Shanghai, China.

VIPKid

Venture Round in 2014
VIPKid is an education technology company that provides an online platform for English language learning, connecting Chinese children with North American teachers. Established in 2013 and launched in 2014, VIPKid aims to offer an immersive American elementary school experience remotely, enabling students from various regions in China to learn English and gain a broader understanding of the world. The platform supports personalized learning by matching over 500,000 students with more than 60,000 teachers, fostering cultural exchange and a passion for lifelong learning. VIPKid's mission emphasizes the uniqueness of each student and the importance of tailored educational experiences.

Easemob

Seed Round in 2014
EaseMob Technologies is a PaaS-based platform that allows developers to integrate instant messaging, voice, and data services to their apps by providing open API and SDK packages. It offers full support for Android, iOS, and web platforms. Easemob Technologies was founded by Ji Fang, Jervis Liu, Strong Liu, and Johnson Ma in 2013 and is based in Beijing, China.

Momo

Series C in 2013
Momo is a free location-based services instant messaging application that enables smartphone users to chat with people nearby. It allows users to connect with others in the same location and share free texts, audio notes, and photographs over the internet. The app helps users find like-minded people around them anywhere and anytime. Since its launch in August, 2011, Momo has since registered 80 million users after two years and three months. The number of daily active users is 13 million and the number of monthly active users is 39 million. An average of 500 million messages are generated daily during one-on-one conversations or group chatting.

Affirmed Networks

Series C in 2013
Affirmed Networks, Inc. specializes in providing mobile content cloud solutions globally, focusing on virtualization and network functions. Founded in 2010 and based in Acton, Massachusetts, the company offers a range of services including the Affirmed Service Automation Platform, which helps mobile operators streamline service introduction and reduce operational costs. Their solutions encompass a cloud-based virtual network for Internet of Things services, critical data communications for telecommunications, and virtualized Evolved Packet Core solutions for live traffic management. Additionally, Affirmed Networks has developed UnityCloud 5G core, a cloud-native platform designed to facilitate the deployment of 5G networks for mobile operators. The company's innovative approach aims to enhance intelligence and efficiency in mobile data networks.

Affirmed Networks

Series B in 2012
Affirmed Networks, Inc. specializes in providing mobile content cloud solutions globally, focusing on virtualization and network functions. Founded in 2010 and based in Acton, Massachusetts, the company offers a range of services including the Affirmed Service Automation Platform, which helps mobile operators streamline service introduction and reduce operational costs. Their solutions encompass a cloud-based virtual network for Internet of Things services, critical data communications for telecommunications, and virtualized Evolved Packet Core solutions for live traffic management. Additionally, Affirmed Networks has developed UnityCloud 5G core, a cloud-native platform designed to facilitate the deployment of 5G networks for mobile operators. The company's innovative approach aims to enhance intelligence and efficiency in mobile data networks.

textPlus

Series D in 2012
textPlus, Inc. is a mobile communications service provider that offers WiFi-based communication solutions through its application, textPlus. This app allows users to send text messages, make free calls to both landlines and mobile numbers, and share content across various platforms. textPlus is available on iOS, Android, and Windows smartphones, as well as on devices such as iPod touch, tablets, and Kindle Fire. Founded in 2007 and based in Marina del Rey, California, the company was previously known as GOGII Inc. before rebranding to textPlus in October 2012.

Skyfire Labs

Series D in 2012
Skyfire Labs, now part of Opera Software's Network Solutions division following its acquisition in 2013, specializes in mobile video optimization and cloud services. Founded in 2007 and based in Mountain View, California, the company focuses on enhancing the mobile Internet experience for operators and consumers alike. Its key product, the Skyfire Rocket Optimizer, enables bandwidth savings for wireless operators by optimizing image delivery on mobile devices, thereby improving the efficiency of cell tower utilization. Additionally, Skyfire offers a free mobile browser that provides access to rich web media, further contributing to improved quality of experience (QoE) for users. The division is committed to leveraging cloud computing and network functions virtualization (NFV) to enhance mobile monetization capabilities for operators globally.

Momo

Series B in 2012
Momo is a free location-based services instant messaging application that enables smartphone users to chat with people nearby. It allows users to connect with others in the same location and share free texts, audio notes, and photographs over the internet. The app helps users find like-minded people around them anywhere and anytime. Since its launch in August, 2011, Momo has since registered 80 million users after two years and three months. The number of daily active users is 13 million and the number of monthly active users is 39 million. An average of 500 million messages are generated daily during one-on-one conversations or group chatting.

TalkTo

Series A in 2012
TalkTo is a private platform that enables users to communicate with local businesses through text messaging, making the process as simple as texting friends. It operates in the United States and Canada, allowing users to send messages and receive responses via various channels, including chat and SMS. Additionally, TalkTo offers micro and nano influencers tools to monetize their influence through a video calling solution, booking management system, promocode system, and an international booking calendar. This combination of services enhances user engagement with businesses while providing influencers with new monetization opportunities.

Skyfire Labs

Series C in 2012
Skyfire Labs, now part of Opera Software's Network Solutions division following its acquisition in 2013, specializes in mobile video optimization and cloud services. Founded in 2007 and based in Mountain View, California, the company focuses on enhancing the mobile Internet experience for operators and consumers alike. Its key product, the Skyfire Rocket Optimizer, enables bandwidth savings for wireless operators by optimizing image delivery on mobile devices, thereby improving the efficiency of cell tower utilization. Additionally, Skyfire offers a free mobile browser that provides access to rich web media, further contributing to improved quality of experience (QoE) for users. The division is committed to leveraging cloud computing and network functions virtualization (NFV) to enhance mobile monetization capabilities for operators globally.

VideoIQ

Series C in 2012
VideoIQ, Inc. produces intelligent video surveillance systems. The company's products include Icvr intelligent IP cameras and encoders with video recording and analytics for building video analytics, content-aware storage, and intelligent networking into security cameras and encoders; and HD intelligent smart video analytics engines, which act as a digital guard, transforming video surveillance into a system for warning and security protection in various environment and under various conditions. It serves water treatment, chemical, and processing plants in the utilities and infrastructure sector; factory settings in the industrial sector; and truck and train terminals, and highways in the transportation sector. The company also serves government buildings, borders, and military bases in the homeland security industry; and headquarters facilities, hospitals, and production facilities in the corporate campus sector. In addition, it serves car dealerships, parking lots and garages, rental yards, hospitals, and construction sites in the commercial outdoor sector; and luxury homes, notable persons, second homes, and the residential home construction sector. The company sells its products in the United States and Europe through video surveillance integrators and resellers. VideoIQ, Inc. was founded in 2006 and is based in Bedford, Massachusetts.

Huoli

Series B in 2011
HuoLi focuses on the development and operation of client software for mobile phones. It also focuses on providing solutions for mobile internet users’ communication and other kinds of practical demands. The products are related to wireless internet fields such as business information, mobile, LBS, and mobile payment include Flight Manager, Hotel Manager, MaoPao, Pat, and Link the Screen.

wali

Series B in 2011
Wali is a mobile internet enterprise based in China, comprised of a research team with expertise from leading IT companies such as China Mobile, Nokia, Microsoft, and Kingsoft. The company specializes in the development and maintenance of mobile phone client software, with significant experience in BOSS systems. Its flagship product, ZiFeiTong, is a unique mobile phone bill inquiry and management application in China. This software allows users to query and manage essential information related to their phone services, including bill details, real-time call statistics, balance inquiries, mobile traffic usage, and data on internet packages. ZiFeiTong serves customers of major telecommunications providers, including China Mobile, China Unicom, and China Telecom, across 336 regions, making it a vital tool for users seeking to manage their mobile service effectively.

VideoIQ

Series C in 2011
VideoIQ, Inc. produces intelligent video surveillance systems. The company's products include Icvr intelligent IP cameras and encoders with video recording and analytics for building video analytics, content-aware storage, and intelligent networking into security cameras and encoders; and HD intelligent smart video analytics engines, which act as a digital guard, transforming video surveillance into a system for warning and security protection in various environment and under various conditions. It serves water treatment, chemical, and processing plants in the utilities and infrastructure sector; factory settings in the industrial sector; and truck and train terminals, and highways in the transportation sector. The company also serves government buildings, borders, and military bases in the homeland security industry; and headquarters facilities, hospitals, and production facilities in the corporate campus sector. In addition, it serves car dealerships, parking lots and garages, rental yards, hospitals, and construction sites in the commercial outdoor sector; and luxury homes, notable persons, second homes, and the residential home construction sector. The company sells its products in the United States and Europe through video surveillance integrators and resellers. VideoIQ, Inc. was founded in 2006 and is based in Bedford, Massachusetts.

Momo

Series A in 2011
Momo is a free location-based services instant messaging application that enables smartphone users to chat with people nearby. It allows users to connect with others in the same location and share free texts, audio notes, and photographs over the internet. The app helps users find like-minded people around them anywhere and anytime. Since its launch in August, 2011, Momo has since registered 80 million users after two years and three months. The number of daily active users is 13 million and the number of monthly active users is 39 million. An average of 500 million messages are generated daily during one-on-one conversations or group chatting.

Aylus Networks

Series D in 2011
Aylus Networks, Inc. specializes in multimedia sharing solutions tailored for mobile networks. Founded in 2005 and based in Westford, Massachusetts, the company has developed MediaShare, a technology that enables wireless carriers to offer enhanced communication experiences such as video blogging, video sharing, and video telephony across different wireless networks and platforms. Aylus Networks aims to facilitate seamless multimedia interactions, enhancing the overall user experience in mobile communications.

textPlus

Series C in 2011
textPlus, Inc. is a mobile communications service provider that offers WiFi-based communication solutions through its application, textPlus. This app allows users to send text messages, make free calls to both landlines and mobile numbers, and share content across various platforms. textPlus is available on iOS, Android, and Windows smartphones, as well as on devices such as iPod touch, tablets, and Kindle Fire. Founded in 2007 and based in Marina del Rey, California, the company was previously known as GOGII Inc. before rebranding to textPlus in October 2012.

Affirmed Networks

Series A in 2010
Affirmed Networks, Inc. specializes in providing mobile content cloud solutions globally, focusing on virtualization and network functions. Founded in 2010 and based in Acton, Massachusetts, the company offers a range of services including the Affirmed Service Automation Platform, which helps mobile operators streamline service introduction and reduce operational costs. Their solutions encompass a cloud-based virtual network for Internet of Things services, critical data communications for telecommunications, and virtualized Evolved Packet Core solutions for live traffic management. Additionally, Affirmed Networks has developed UnityCloud 5G core, a cloud-native platform designed to facilitate the deployment of 5G networks for mobile operators. The company's innovative approach aims to enhance intelligence and efficiency in mobile data networks.

textPlus

Series B in 2009
textPlus, Inc. is a mobile communications service provider that offers WiFi-based communication solutions through its application, textPlus. This app allows users to send text messages, make free calls to both landlines and mobile numbers, and share content across various platforms. textPlus is available on iOS, Android, and Windows smartphones, as well as on devices such as iPod touch, tablets, and Kindle Fire. Founded in 2007 and based in Marina del Rey, California, the company was previously known as GOGII Inc. before rebranding to textPlus in October 2012.

Verivue

Series C in 2009
Verivue, Inc. develops and markets high-performance IP platforms that enable network operators to distribute, deliver and control enormous amounts of IP-based media traffic across a growing and diverse number of end devices. The Company offers solutions for service providers to accelerate content delivery for managed and unmanaged service provider networks. Verivue’s OneVantage Content Delivery Solution is based on the guiding principles of web scale and cloud computing, providing unbounded scalability in content caching and delivery bandwidth with the resiliency inherent in state-of-the-art clustering techniques of COTS servers. Additional information about Verivue products and services can be found at www.verivue.com.

Skyfire Labs

Series B in 2009
Skyfire Labs, now part of Opera Software's Network Solutions division following its acquisition in 2013, specializes in mobile video optimization and cloud services. Founded in 2007 and based in Mountain View, California, the company focuses on enhancing the mobile Internet experience for operators and consumers alike. Its key product, the Skyfire Rocket Optimizer, enables bandwidth savings for wireless operators by optimizing image delivery on mobile devices, thereby improving the efficiency of cell tower utilization. Additionally, Skyfire offers a free mobile browser that provides access to rich web media, further contributing to improved quality of experience (QoE) for users. The division is committed to leveraging cloud computing and network functions virtualization (NFV) to enhance mobile monetization capabilities for operators globally.

Baofeng

Series C in 2008
Baofeng is a Chinese video software site. It's flagship product, the Baofeng Storm Codec, provides video services to media companies such as Sohu.com and PPS.

VideoIQ

Series B in 2008
VideoIQ, Inc. produces intelligent video surveillance systems. The company's products include Icvr intelligent IP cameras and encoders with video recording and analytics for building video analytics, content-aware storage, and intelligent networking into security cameras and encoders; and HD intelligent smart video analytics engines, which act as a digital guard, transforming video surveillance into a system for warning and security protection in various environment and under various conditions. It serves water treatment, chemical, and processing plants in the utilities and infrastructure sector; factory settings in the industrial sector; and truck and train terminals, and highways in the transportation sector. The company also serves government buildings, borders, and military bases in the homeland security industry; and headquarters facilities, hospitals, and production facilities in the corporate campus sector. In addition, it serves car dealerships, parking lots and garages, rental yards, hospitals, and construction sites in the commercial outdoor sector; and luxury homes, notable persons, second homes, and the residential home construction sector. The company sells its products in the United States and Europe through video surveillance integrators and resellers. VideoIQ, Inc. was founded in 2006 and is based in Bedford, Massachusetts.

Verivue

Series B in 2008
Verivue, Inc. develops and markets high-performance IP platforms that enable network operators to distribute, deliver and control enormous amounts of IP-based media traffic across a growing and diverse number of end devices. The Company offers solutions for service providers to accelerate content delivery for managed and unmanaged service provider networks. Verivue’s OneVantage Content Delivery Solution is based on the guiding principles of web scale and cloud computing, providing unbounded scalability in content caching and delivery bandwidth with the resiliency inherent in state-of-the-art clustering techniques of COTS servers. Additional information about Verivue products and services can be found at www.verivue.com.

Skyfire Labs

Series B in 2008
Skyfire Labs, now part of Opera Software's Network Solutions division following its acquisition in 2013, specializes in mobile video optimization and cloud services. Founded in 2007 and based in Mountain View, California, the company focuses on enhancing the mobile Internet experience for operators and consumers alike. Its key product, the Skyfire Rocket Optimizer, enables bandwidth savings for wireless operators by optimizing image delivery on mobile devices, thereby improving the efficiency of cell tower utilization. Additionally, Skyfire offers a free mobile browser that provides access to rich web media, further contributing to improved quality of experience (QoE) for users. The division is committed to leveraging cloud computing and network functions virtualization (NFV) to enhance mobile monetization capabilities for operators globally.

Virtual Iron Software

Series E in 2008
Virtual Iron Software, Inc. specializes in providing enterprise-class software solutions for server virtualization and virtual infrastructure management. Founded in 2003 and headquartered in Lowell, Massachusetts, the company offers a platform designed for server consolidation, rapid provisioning, business continuity, workload management, and policy-based automation. Its virtualization manager serves as a centralized system for controlling and automating virtual resources, while virtualization services can be deployed on bare-metal and industry-standard servers without the need for extensive software installation or management. The platform also incorporates open-source virtualization based on a community-derived hypervisor, facilitating capacity management and development and testing processes. Virtual Iron Software was previously known as Katana Technology, Inc.

Virtual Iron Software

Series D in 2007
Virtual Iron Software, Inc. specializes in providing enterprise-class software solutions for server virtualization and virtual infrastructure management. Founded in 2003 and headquartered in Lowell, Massachusetts, the company offers a platform designed for server consolidation, rapid provisioning, business continuity, workload management, and policy-based automation. Its virtualization manager serves as a centralized system for controlling and automating virtual resources, while virtualization services can be deployed on bare-metal and industry-standard servers without the need for extensive software installation or management. The platform also incorporates open-source virtualization based on a community-derived hypervisor, facilitating capacity management and development and testing processes. Virtual Iron Software was previously known as Katana Technology, Inc.

Aylus Networks

Series B in 2007
Aylus Networks, Inc. specializes in multimedia sharing solutions tailored for mobile networks. Founded in 2005 and based in Westford, Massachusetts, the company has developed MediaShare, a technology that enables wireless carriers to offer enhanced communication experiences such as video blogging, video sharing, and video telephony across different wireless networks and platforms. Aylus Networks aims to facilitate seamless multimedia interactions, enhancing the overall user experience in mobile communications.

Skyfire Labs

Series A in 2007
Skyfire Labs, now part of Opera Software's Network Solutions division following its acquisition in 2013, specializes in mobile video optimization and cloud services. Founded in 2007 and based in Mountain View, California, the company focuses on enhancing the mobile Internet experience for operators and consumers alike. Its key product, the Skyfire Rocket Optimizer, enables bandwidth savings for wireless operators by optimizing image delivery on mobile devices, thereby improving the efficiency of cell tower utilization. Additionally, Skyfire offers a free mobile browser that provides access to rich web media, further contributing to improved quality of experience (QoE) for users. The division is committed to leveraging cloud computing and network functions virtualization (NFV) to enhance mobile monetization capabilities for operators globally.

Veveo

Series B in 2007
Veveo is pioneering technologies that enable natural interfaces that support true conversational capabilities for connected devices and applications. Its SmartRelevance™ Conversational Platform is used by service providers & major smartphone manufacturers for intelligent search, personalization, and recommendation solutions. Veveo’s technologies have been deployed for more than 100 million devices. Veveo's conversational interfaces are designed to deliver rich, hyper-personalized user experiences that anticipate user intent toward driving higher engagement, content consumption, and monetization of products and services for device vendors, service providers and enterprises, across platforms of smartphones, tablets, TVs, and set-top boxes. Veveo has a growing intellectual property portfolio of more than 60 patent applications, with 32 issued patents. The venture-backed company is founded by serial technology entrepreneurs and based in Boston, MA. For more information visit www.veveo.net

Verivue

Series A in 2007
Verivue, Inc. develops and markets high-performance IP platforms that enable network operators to distribute, deliver and control enormous amounts of IP-based media traffic across a growing and diverse number of end devices. The Company offers solutions for service providers to accelerate content delivery for managed and unmanaged service provider networks. Verivue’s OneVantage Content Delivery Solution is based on the guiding principles of web scale and cloud computing, providing unbounded scalability in content caching and delivery bandwidth with the resiliency inherent in state-of-the-art clustering techniques of COTS servers. Additional information about Verivue products and services can be found at www.verivue.com.

VideoIQ

Series A in 2007
VideoIQ, Inc. produces intelligent video surveillance systems. The company's products include Icvr intelligent IP cameras and encoders with video recording and analytics for building video analytics, content-aware storage, and intelligent networking into security cameras and encoders; and HD intelligent smart video analytics engines, which act as a digital guard, transforming video surveillance into a system for warning and security protection in various environment and under various conditions. It serves water treatment, chemical, and processing plants in the utilities and infrastructure sector; factory settings in the industrial sector; and truck and train terminals, and highways in the transportation sector. The company also serves government buildings, borders, and military bases in the homeland security industry; and headquarters facilities, hospitals, and production facilities in the corporate campus sector. In addition, it serves car dealerships, parking lots and garages, rental yards, hospitals, and construction sites in the commercial outdoor sector; and luxury homes, notable persons, second homes, and the residential home construction sector. The company sells its products in the United States and Europe through video surveillance integrators and resellers. VideoIQ, Inc. was founded in 2006 and is based in Bedford, Massachusetts.

PostPath

Series C in 2007
PostPath, Inc. develops email and collaboration servers for corporate messaging and collaboration environments. Its products include The PostPath Server, a Linux-based enterprise-email and collaboration server, which provide live and incremental backup and granular restore; PostPath WebMail, which provides AJAX browser-based access to email, calendar, contacts, and collaboration data; PostPath Web Configuration Tool, which provides GUI based and access-controlled administration; and PostPath Remote Office Extensions. The company was founded in 2003 as Apptran Software, Inc. and changed its name to PostPath, Inc. in 2006. PostPath, Inc. is headquartered in Mountain View, California. As of September 17, 2008, PostPath, Inc. operates as a subsidiary of Cisco Systems, Inc.

Camiant

Series C in 2007
Camiant, Inc. specializes in policy control and application assurance technology, primarily serving broadband operators across Europe, the Middle East, and the Asia Pacific. The company offers a Multimedia Policy Engine, which acts as a central component of broadband networks, delivering real-time intelligence and control. Additionally, Camiant provides a Bandwidth on Demand Application Manager for the seamless integration of new applications into access networks. Their portfolio includes a SIP Application Manager that facilitates the integration and management of SIP resources, and the QInsight management reporting application, which gathers usage data and insights on network performance over time. Furthermore, the Universal Edge Resource Manager helps manage the sharing of edge resources among various services, while the Fair Use Management solution assists cable operators in monitoring and managing broadband utilization. Camiant was previously known as Chameleon Solutions, Inc.

Digium

Series A in 2006
Digium® is the innovative force behind Asterisk®, the world's most widely used open source telephony platform. In addition, Digium develops the software, hardware, and other components you'll need to create a unified communications solution for a small or medium business.

Virtual Iron Software

Series C in 2005
Virtual Iron Software, Inc. specializes in providing enterprise-class software solutions for server virtualization and virtual infrastructure management. Founded in 2003 and headquartered in Lowell, Massachusetts, the company offers a platform designed for server consolidation, rapid provisioning, business continuity, workload management, and policy-based automation. Its virtualization manager serves as a centralized system for controlling and automating virtual resources, while virtualization services can be deployed on bare-metal and industry-standard servers without the need for extensive software installation or management. The platform also incorporates open-source virtualization based on a community-derived hypervisor, facilitating capacity management and development and testing processes. Virtual Iron Software was previously known as Katana Technology, Inc.

Camiant

Series B in 2005
Camiant, Inc. specializes in policy control and application assurance technology, primarily serving broadband operators across Europe, the Middle East, and the Asia Pacific. The company offers a Multimedia Policy Engine, which acts as a central component of broadband networks, delivering real-time intelligence and control. Additionally, Camiant provides a Bandwidth on Demand Application Manager for the seamless integration of new applications into access networks. Their portfolio includes a SIP Application Manager that facilitates the integration and management of SIP resources, and the QInsight management reporting application, which gathers usage data and insights on network performance over time. Furthermore, the Universal Edge Resource Manager helps manage the sharing of edge resources among various services, while the Fair Use Management solution assists cable operators in monitoring and managing broadband utilization. Camiant was previously known as Chameleon Solutions, Inc.

Arroyo Video Solutions

Series B in 2005
Arroyo Video Solutions is a video on demand company based in the United States. It was acquired by Cisco Systems on August 21, 2006.

Veveo

Series A in 2005
Veveo is pioneering technologies that enable natural interfaces that support true conversational capabilities for connected devices and applications. Its SmartRelevance™ Conversational Platform is used by service providers & major smartphone manufacturers for intelligent search, personalization, and recommendation solutions. Veveo’s technologies have been deployed for more than 100 million devices. Veveo's conversational interfaces are designed to deliver rich, hyper-personalized user experiences that anticipate user intent toward driving higher engagement, content consumption, and monetization of products and services for device vendors, service providers and enterprises, across platforms of smartphones, tablets, TVs, and set-top boxes. Veveo has a growing intellectual property portfolio of more than 60 patent applications, with 32 issued patents. The venture-backed company is founded by serial technology entrepreneurs and based in Boston, MA. For more information visit www.veveo.net

Aylus Networks

Series A in 2005
Aylus Networks, Inc. specializes in multimedia sharing solutions tailored for mobile networks. Founded in 2005 and based in Westford, Massachusetts, the company has developed MediaShare, a technology that enables wireless carriers to offer enhanced communication experiences such as video blogging, video sharing, and video telephony across different wireless networks and platforms. Aylus Networks aims to facilitate seamless multimedia interactions, enhancing the overall user experience in mobile communications.

PostPath

Series B in 2004
PostPath, Inc. develops email and collaboration servers for corporate messaging and collaboration environments. Its products include The PostPath Server, a Linux-based enterprise-email and collaboration server, which provide live and incremental backup and granular restore; PostPath WebMail, which provides AJAX browser-based access to email, calendar, contacts, and collaboration data; PostPath Web Configuration Tool, which provides GUI based and access-controlled administration; and PostPath Remote Office Extensions. The company was founded in 2003 as Apptran Software, Inc. and changed its name to PostPath, Inc. in 2006. PostPath, Inc. is headquartered in Mountain View, California. As of September 17, 2008, PostPath, Inc. operates as a subsidiary of Cisco Systems, Inc.

Starent Networks

Series D in 2004
Starent Networks specializes in multimedia core technology that supports mobile operators in providing mobile broadband services to their subscribers. The company offers a range of infrastructure hardware and software solutions designed to enhance the delivery of high-speed data, voice, and multimedia services. By focusing on high-performance network architecture, Starent Networks enables mobile wireless operators to meet the demands of advanced multimedia services, ensuring efficient and reliable connectivity for users.

SnowShore Networks

Series B in 2003
SnowShore Networks develops scalable, IP-optimized, carrier-class networking components that facilitate the convergence of real-time media services with IP networks.

Camiant

Series A in 2003
Camiant, Inc. specializes in policy control and application assurance technology, primarily serving broadband operators across Europe, the Middle East, and the Asia Pacific. The company offers a Multimedia Policy Engine, which acts as a central component of broadband networks, delivering real-time intelligence and control. Additionally, Camiant provides a Bandwidth on Demand Application Manager for the seamless integration of new applications into access networks. Their portfolio includes a SIP Application Manager that facilitates the integration and management of SIP resources, and the QInsight management reporting application, which gathers usage data and insights on network performance over time. Furthermore, the Universal Edge Resource Manager helps manage the sharing of edge resources among various services, while the Fair Use Management solution assists cable operators in monitoring and managing broadband utilization. Camiant was previously known as Chameleon Solutions, Inc.

Starent Networks

Series C in 2003
Starent Networks specializes in multimedia core technology that supports mobile operators in providing mobile broadband services to their subscribers. The company offers a range of infrastructure hardware and software solutions designed to enhance the delivery of high-speed data, voice, and multimedia services. By focusing on high-performance network architecture, Starent Networks enables mobile wireless operators to meet the demands of advanced multimedia services, ensuring efficient and reliable connectivity for users.

Airvana

Venture Round in 2002
Airvana, Inc. specializes in small cell solutions designed for communication applications, particularly in enhancing mobile broadband services. The company provides 4G LTE and 3G small cell systems aimed at improving voice coverage, data performance, and network capacity. Its product offerings include enterprise LTE small cells, such as the OneCell cloud RAN system, as well as consumer and small office 3G small cells. Additionally, Airvana develops small cell management and self-organizing network systems to support large-scale deployments. Founded in 2000 and headquartered in Chelmsford, Massachusetts, Airvana has development centers in both Chelmsford and Bengaluru, India. The company has established strategic partnerships with major industry players to enhance its technology and market presence. As of 2015, Airvana operates as a subsidiary of CommScope Holding Company, Inc.

Equipe Communications

Series C in 2002
Equipe Communications designs, develops, and markets asynchronous transfer mode (ATM) and multiprotocol label switching (MPLS) products to telecom carriers and service providers. The company's products assist local exchange carriers (ILECs) and interexchange carriers (IXCs) in transition from ATM architecture to IP/MPLS. The company also offers network management design, engineering, furnishing and installation, lifecycle tools, and rapid deployment services. Equipe Communications was founded in 1999 and is based in Acton, Massachusetts.

Starent Networks

Series B in 2001
Starent Networks specializes in multimedia core technology that supports mobile operators in providing mobile broadband services to their subscribers. The company offers a range of infrastructure hardware and software solutions designed to enhance the delivery of high-speed data, voice, and multimedia services. By focusing on high-performance network architecture, Starent Networks enables mobile wireless operators to meet the demands of advanced multimedia services, ensuring efficient and reliable connectivity for users.

SnowShore Networks

Series B in 2001
SnowShore Networks develops scalable, IP-optimized, carrier-class networking components that facilitate the convergence of real-time media services with IP networks.

ShoreTel

Venture Round in 2001
ShoreTel, based in Sunnyvale, California, specializes in the development and sale of Internet Protocol (IP) communications systems for enterprises both in the United States and internationally. The company offers a comprehensive range of solutions, including IP phones, voice switches, service appliances, and unified messaging systems that facilitate seamless communication across multiple locations through a single telecommunications system. ShoreTel's products also include a management application for IT administrators, a contact center solution for efficient routing of incoming communications, and mobility options for smartphone users. In addition to its core offerings, ShoreTel provides custom application development, training, system design, installation, and ongoing support services. The company serves a diverse clientele, including small, medium, and large businesses, as well as public institutions across various sectors such as healthcare, education, and government. Founded in 1996, ShoreTel has established itself as a key player in the IP telecom market.

TollBridge Technologies

Series D in 2001
TollBridge Technologies is a leading provider of voice-over-broadband solutions, primarily catering to next-generation carriers. The company has successfully deployed over 40,000 lines in active commercial service. TollBridge develops IP-based voice systems designed to offer cost-effective, toll-quality voice and integrated data services. Its VoIP gateways utilize the TollVoice architecture, enabling the transmission of voice over IP networks through Class 5 switches. This technology supports a range of broadband access options, including DSL, cable, and wireless networks, making it suitable for both small businesses and consumers.
Copper Mountain Networks specializes in developing digital subscriber line (DSL) communications products that facilitate high-speed broadband connectivity using existing copper telephone lines. The company offers a range of products, including the VantEdge Access Broadband Remote Access Server, CopperEdge DSL Concentrators, and CopperView Network Management Software Tools. These products are primarily sold directly to local phone carriers and internet service providers in the United States. In addition to its focus on DSL equipment for central offices and multi-tenant unit broadband networks, Copper Mountain Networks has a history that includes an initial public offering in 1999 and subsequent acquisitions by Tut Systems and Motorola.

Winphoria Networks

Series B in 2001
Winphoria Networks focuses on the development of mobile networking products. Winphoria Networks is acquired by Motorola Solutions. Winphoria Networks was founded in 2000 and is based in Tewksbury, Massachusetts.

Starent Networks

Series A in 2000
Starent Networks specializes in multimedia core technology that supports mobile operators in providing mobile broadband services to their subscribers. The company offers a range of infrastructure hardware and software solutions designed to enhance the delivery of high-speed data, voice, and multimedia services. By focusing on high-performance network architecture, Starent Networks enables mobile wireless operators to meet the demands of advanced multimedia services, ensuring efficient and reliable connectivity for users.

Equipe Communications

Series B in 2000
Equipe Communications designs, develops, and markets asynchronous transfer mode (ATM) and multiprotocol label switching (MPLS) products to telecom carriers and service providers. The company's products assist local exchange carriers (ILECs) and interexchange carriers (IXCs) in transition from ATM architecture to IP/MPLS. The company also offers network management design, engineering, furnishing and installation, lifecycle tools, and rapid deployment services. Equipe Communications was founded in 1999 and is based in Acton, Massachusetts.

Winphoria Networks

Series A in 2000
Winphoria Networks focuses on the development of mobile networking products. Winphoria Networks is acquired by Motorola Solutions. Winphoria Networks was founded in 2000 and is based in Tewksbury, Massachusetts.

TollBridge Technologies

Venture Round in 2000
TollBridge Technologies is a leading provider of voice-over-broadband solutions, primarily catering to next-generation carriers. The company has successfully deployed over 40,000 lines in active commercial service. TollBridge develops IP-based voice systems designed to offer cost-effective, toll-quality voice and integrated data services. Its VoIP gateways utilize the TollVoice architecture, enabling the transmission of voice over IP networks through Class 5 switches. This technology supports a range of broadband access options, including DSL, cable, and wireless networks, making it suitable for both small businesses and consumers.

Shoreline Teleworks

Venture Round in 2000
Shoreline Communications, based in Sunnyvale, California, was founded in 1996 and has been making Voice-Over-IP a reality for enterprise customers for nearly two years. Shoreline's award-winning IP Voice Communications System is based on a unique distributed architecture that links multiple customer locations into a single, integrated IP voice network. The system also provides both a rich set of integrated voice services as well as standards-based interfaces to 3rd party voice applications that enhance personal and organizational productivity. Powered by ShoreWare ™ server and call manager software, ShoreGear™ voice switches and ShoreCare™ support services, the Shoreline Communication System is the platform of choice for the enterprise and service providers.

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 Controllers (SBC) for enterprises and service providers worldwide. The company focuses on enabling Unified Communications in the Cloud, facilitating efficient and secure communication for its clients. In addition to its core offerings, Ribbon Communications also provides mobile network operation solutions and collaborates with Microsoft to enhance its service delivery capabilities.

Equipe Communications

Series A in 1999
Equipe Communications designs, develops, and markets asynchronous transfer mode (ATM) and multiprotocol label switching (MPLS) products to telecom carriers and service providers. The company's products assist local exchange carriers (ILECs) and interexchange carriers (IXCs) in transition from ATM architecture to IP/MPLS. The company also offers network management design, engineering, furnishing and installation, lifecycle tools, and rapid deployment services. Equipe Communications was founded in 1999 and is based in Acton, Massachusetts.
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