Kleiner Perkins

Founded in 1972, Kleiner Perkins is a venture capital firm based in Menlo Park, California. It specializes in investing in early-stage, growth, and incubation companies across various sectors including technology, healthcare, life sciences, and consumer goods. The firm partners with founders from inception to IPO, supporting them to maximize the potential of their ideas.

Leigh Marie Braswell

Partner

Annie Case

Partner

Josh Coyne

Partner

Joshua Coyne

Partner

Monica Desai Weiss

Principal

Past deals in VoIP

Chime

Seed Round in 2015
Chime is a mobile communication application designed to facilitate video conversations among friends, family, and small groups. The platform allows users to create "Chimes," which are video conversations where participants can contribute throughout the day, resulting in a rich, collective narrative. This feature not only serves as a means of real-time communication but also acts as a lasting memory of shared experiences. By combining the simplicity of mobile communication with the personal touch of face-to-face interaction, Chime provides users with a private channel to engage and connect with loved ones through video chats, enhancing the intimacy of their conversations.

textPlus

Venture Round in 2015
textPlus, Inc., formerly known as GOGII Inc., provides WiFi-based mobile communication services globally through its textPlus app. Available on iOS, Android, and Windows devices, including smartphones, tablets, and Kindle Fire, the application allows users to make free calls to landlines and mobile numbers. The company was founded in 2007 and is headquartered in Marina del Rey, California.

textPlus

Series D in 2012
textPlus, Inc., formerly known as GOGII Inc., provides WiFi-based mobile communication services globally through its textPlus app. Available on iOS, Android, and Windows devices, including smartphones, tablets, and Kindle Fire, the application allows users to make free calls to landlines and mobile numbers. The company was founded in 2007 and is headquartered in Marina del Rey, California.

Pinger

Venture Round in 2012
Pinger, Inc. is a mobile application developer based in San Jose, California, founded in 2005. The company specializes in communication tools, offering products such as Sideline and Textfree, which provide services including voicemail, text messaging, and picture messaging. Pinger's applications are designed for iPhone, iPod Touch, iPad, and Android users worldwide, enabling free texting and talking. With a focus on creating consumer-friendly products that enhance communication, Pinger has garnered millions of downloads and continues to innovate within the mobile communication space.

textPlus

Series C in 2011
textPlus, Inc., formerly known as GOGII Inc., provides WiFi-based mobile communication services globally through its textPlus app. Available on iOS, Android, and Windows devices, including smartphones, tablets, and Kindle Fire, the application allows users to make free calls to landlines and mobile numbers. The company was founded in 2007 and is headquartered in Marina del Rey, California.

textPlus

Series B in 2009
textPlus, Inc., formerly known as GOGII Inc., provides WiFi-based mobile communication services globally through its textPlus app. Available on iOS, Android, and Windows devices, including smartphones, tablets, and Kindle Fire, the application allows users to make free calls to landlines and mobile numbers. The company was founded in 2007 and is headquartered in Marina del Rey, California.

textPlus

Series A in 2007
textPlus, Inc., formerly known as GOGII Inc., provides WiFi-based mobile communication services globally through its textPlus app. Available on iOS, Android, and Windows devices, including smartphones, tablets, and Kindle Fire, the application allows users to make free calls to landlines and mobile numbers. The company was founded in 2007 and is headquartered in Marina del Rey, California.

Pinger

Series B in 2006
Pinger, Inc. is a mobile application developer based in San Jose, California, founded in 2005. The company specializes in communication tools, offering products such as Sideline and Textfree, which provide services including voicemail, text messaging, and picture messaging. Pinger's applications are designed for iPhone, iPod Touch, iPad, and Android users worldwide, enabling free texting and talking. With a focus on creating consumer-friendly products that enhance communication, Pinger has garnered millions of downloads and continues to innovate within the mobile communication space.

Snapvine

Series A in 2006
Snapvine is a provider of voice and mobility solutions that enables users to leave voicemails online. The process involves contacting a central Snapvine number and entering a specific code to direct the message to the intended recipient, or alternatively, using a microphone connected to a computer. The voicemails can be shared through simple embeddable widgets, allowing for either public access, where anyone can listen to the messages, or private access, restricted to the intended recipient. This service has gained popularity on social networks, particularly among artists and celebrities, facilitating communication with their fans.

Pinger

Series A in 2005
Pinger, Inc. is a mobile application developer based in San Jose, California, founded in 2005. The company specializes in communication tools, offering products such as Sideline and Textfree, which provide services including voicemail, text messaging, and picture messaging. Pinger's applications are designed for iPhone, iPod Touch, iPad, and Android users worldwide, enabling free texting and talking. With a focus on creating consumer-friendly products that enhance communication, Pinger has garnered millions of downloads and continues to innovate within the mobile communication space.

IP Unity

Series F in 2005
IP Unity delivers a carrier grade services platform for enhanced voice and telephony applications over ATM, TDM and VoIP Networks. The company's media servers, applications servers, enhanced service applications, and application partners allow customers to quickly and cost effectively offer new services associated with next generation networks while protecting their investment in legacy systems.

Kodiak Networks

Series B in 2005
Kodiak Networks provides mobile solutions designed for wireless operators, focusing on community and group-based communications. The company offers a robust portfolio known as the Kodiak Connected Portfolio, which includes an integrated suite of mobile applications and user interfaces compatible with various devices. This portfolio is built on the Kodiak Real Time Exchange (RTX), a flexible, standards-based platform that supports multiple generations of IMS-compliant technologies and can scale from independent operators to multinational carriers utilizing 2G, 3G, 4G, and LTE networks. Key features of Kodiak's offerings include mobile conferencing, messaging, presence and contact management, and broadband push-to-talk services, enabling carriers to deliver innovative mobile voice solutions to their customers.

IP Unity

Series E in 2004
IP Unity delivers a carrier grade services platform for enhanced voice and telephony applications over ATM, TDM and VoIP Networks. The company's media servers, applications servers, enhanced service applications, and application partners allow customers to quickly and cost effectively offer new services associated with next generation networks while protecting their investment in legacy systems.

IP Unity

Series D in 2003
IP Unity delivers a carrier grade services platform for enhanced voice and telephony applications over ATM, TDM and VoIP Networks. The company's media servers, applications servers, enhanced service applications, and application partners allow customers to quickly and cost effectively offer new services associated with next generation networks while protecting their investment in legacy systems.

IP Unity

Series D in 2002
IP Unity delivers a carrier grade services platform for enhanced voice and telephony applications over ATM, TDM and VoIP Networks. The company's media servers, applications servers, enhanced service applications, and application partners allow customers to quickly and cost effectively offer new services associated with next generation networks while protecting their investment in legacy systems.

NexVerse Networks

Venture Round in 2001
NexVerse Networks supplies generation softswitch solutions based on the ipVerse ControlSwitch platform. The company was founded in October 2001 and is based in San Jose, California.

Vertical Networks

Series F in 2001
Vertical Networks is a distributor of IP-PBX software and communications solutions for branch offices and stores, delivers customizable solutions to several industries, including financial services, healthcare, publishing, and retail.

ipVerse

Series C in 2000
ipVerse is a technology company headquartered in Sunnyvale, California, specializing in the development of software-based switches for service providers. Founded in 1998, ipVerse offers the ControlSwitch platform, a carrier-class application that facilitates the delivery of both traditional and converged voice-data services over packet-based wireline and wireless networks. The company's innovative solutions enable service providers to efficiently transition between legacy voice networks and next-generation data networks, preserving quality and performance while accelerating the convergence of voice and data communications. By providing a robust infrastructure, ipVerse empowers its clients to rapidly deploy new, revenue-generating services that meet customer demands.

IP Unity

Series B in 2000
IP Unity delivers a carrier grade services platform for enhanced voice and telephony applications over ATM, TDM and VoIP Networks. The company's media servers, applications servers, enhanced service applications, and application partners allow customers to quickly and cost effectively offer new services associated with next generation networks while protecting their investment in legacy systems.

Teloquent Communications

Venture Round in 2000
Teloquent Communications is a provider of virtual call center solutions, specializing in web and traditional telephone-based customer interactions. Founded in June 1989 and based in Billerica, Massachusetts, the company offers integrated solutions that encompass voice, data, video, and web inquiries. Teloquent Communications develops software designed for various communication channels, enabling businesses to enhance their customer service capabilities through effective call center networking and virtual office solutions. In December 2003, the company was acquired by Syntellect.

Vertical Networks

Venture Round in 2000
Vertical Networks is a distributor of IP-PBX software and communications solutions for branch offices and stores, delivers customizable solutions to several industries, including financial services, healthcare, publishing, and retail.

Vertical Networks

Venture Round in 1999
Vertical Networks is a distributor of IP-PBX software and communications solutions for branch offices and stores, delivers customizable solutions to several industries, including financial services, healthcare, publishing, and retail.
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