Sequoia Capital

Pingxin Technology is an Enterprise services Platform.

Beijing Ronglian Yitong Information Technology Co., Ltd, established in 2009, is the first and also the largest open platform that provides full communication capability. Cloud communications by the professional communication capabilities packaged into API interface for web, desktop and mobile applications can easily embed calls, conferencing, call center, SMS /intelligent call, mobile IM functions.

SignalWire, Inc. is a cloud communications provider that enables developers to create applications with integrated voice, messaging, and video capabilities through its real-time application programming interface. Founded in 2017 and based in Palo Alto, California, the company offers several key products, including SignalWire CLOUD, an advanced platform utilizing FreeSWITCH technology; SignalWire STACK, an open-source communications solution; and SignalWire Documentation, a web socket-based protocol for real-time call control. Building on the principles of Software-Defined Telecom, SignalWire aims to deliver a global network for secure real-time communications, accessible through user-friendly SDKs. Its technology supports a wide range of applications, from virtual offices to AI bots, with capabilities that extend beyond standard video chat services. Additionally, SignalWire fosters a distributed workforce and actively participates in advancing communication standards, positioning itself as a leader in the evolving landscape of software-powered telecommunications.

Beijing Ronglian Yitong Information Technology Co., Ltd, established in 2009, is the first and also the largest open platform that provides full communication capability. Cloud communications by the professional communication capabilities packaged into API interface for web, desktop and mobile applications can easily embed calls, conferencing, call center, SMS /intelligent call, mobile IM functions.

Beijing Ronglian Yitong Information Technology Co., Ltd, established in 2009, is the first and also the largest open platform that provides full communication capability. Cloud communications by the professional communication capabilities packaged into API interface for web, desktop and mobile applications can easily embed calls, conferencing, call center, SMS /intelligent call, mobile IM functions.

Luminate Wireless is developing an end-to-end distributed mobile network system to make it easier to add capacity and assured mobile services for enterprises of any size. In this system, key management-plane, control as well as data-plane functions in the mobile network are moved to a centralized and virtualized entity that can be implemented as a private or a public cloud. The Luminate system allows capacity to be added easily to venues in a “Wi-Fi like” manner by deploying 4G LTE access points using existing Ethernet and IP backhaul. Luminate Wireless is backed by: NEA, Sequoia Capital, Google Ventures, Hewlett-Packard Ventures, Qualcomm Ventures, Northgate Capital, and Correlation Ventures

Metaswitch Networks Ltd. specializes in providing commercial and open source communications software solutions, focusing on the migration of communications networks to next-generation architectures. The company offers a diverse range of products, including 5G core, protocol stacks, Clearwater core IMS, and various voice and messaging services such as VoLTE and SIP trunking. Its MaX by Metaswitch product family enables mobile network operators to deliver collaborative services to both businesses and consumers. Metaswitch serves network operators and suppliers globally, offering additional services like technical support, professional training, and market insights. Founded in 1981 and originally known as Data Connection Limited, Metaswitch is headquartered in Enfield, United Kingdom, with additional offices in major cities across the United States, Australia, Mexico, Hong Kong, and Singapore. The company's technologies are trusted by numerous network operators and are licensed by leading communications equipment manufacturers worldwide.

Silent Communication provides a new face for mobile value added services. It offers mobile operators a new category of call management, messaging and visual voicemail solutions for mobile devices. Silent Communication was founded in 2004 and has headquarters in Tel Aviv, Israel.

Ikanos Communications, Inc. designs and develops semiconductor and integrated firmware products for the connected home on a global scale. The company specializes in digital subscriber line (DSL) processors and a variety of semiconductor solutions tailored for carrier infrastructure and customer premises equipment. Its offerings include gateway processors that facilitate high-speed access and value-added services for connected homes, as well as multi-mode communications processors for residential gateways. These products support diverse network topologies such as DSL, Ethernet, and LTE, serving telecommunications carriers and cable operators. Ikanos markets its products through direct sales and through partnerships with network equipment manufacturers, original design manufacturers, and distributors. Established in 1999 and based in Fremont, California, Ikanos Communications operates as a subsidiary of Qualcomm Atheros, Inc.

Santera Systems offers a carrier-class next-generation switch with both trunk and line functionality, enabling true circuit to packet migration. In its core applications of enhanced voice switching, integrated voice and data switching, and voice over broadband, Santera delivers significant capital and operating cost efficiencies of 50 to 70 percent.

BRECIS Communications, a communications company focused on leading-edge, broadband multi-service network processor architectures.

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.

Internet Wire, an Internet-based distributor of direct company news and online business communications materials.

NetScreen Technologies is a company that specializes in the design, development, and sale of network security products and services. Focused on providing robust solutions for cybersecurity, NetScreen plays a crucial role in protecting network infrastructures for various clients. The company is known for its innovative technologies that address the growing challenges of online threats, ensuring secure communication and data integrity for businesses. By delivering effective and reliable security measures, NetScreen Technologies contributes to the overall safety of digital environments for its customers.

Ikanos Communications, Inc. designs and develops semiconductor and integrated firmware products for the connected home on a global scale. The company specializes in digital subscriber line (DSL) processors and a variety of semiconductor solutions tailored for carrier infrastructure and customer premises equipment. Its offerings include gateway processors that facilitate high-speed access and value-added services for connected homes, as well as multi-mode communications processors for residential gateways. These products support diverse network topologies such as DSL, Ethernet, and LTE, serving telecommunications carriers and cable operators. Ikanos markets its products through direct sales and through partnerships with network equipment manufacturers, original design manufacturers, and distributors. Established in 1999 and based in Fremont, California, Ikanos Communications operates as a subsidiary of Qualcomm Atheros, Inc.

Velio Communications, Inc. designs and manufactures high-bandwidth interconnecting semiconductors for integrated telecommunication systems.

BRECIS Communications, a communications company focused on leading-edge, broadband multi-service network processor architectures.

NetScreen Technologies is a company that specializes in the design, development, and sale of network security products and services. Focused on providing robust solutions for cybersecurity, NetScreen plays a crucial role in protecting network infrastructures for various clients. The company is known for its innovative technologies that address the growing challenges of online threats, ensuring secure communication and data integrity for businesses. By delivering effective and reliable security measures, NetScreen Technologies contributes to the overall safety of digital environments for its customers.

BRECIS Communications, a communications company focused on leading-edge, broadband multi-service network processor architectures.

Santera Systems offers a carrier-class next-generation switch with both trunk and line functionality, enabling true circuit to packet migration. In its core applications of enhanced voice switching, integrated voice and data switching, and voice over broadband, Santera delivers significant capital and operating cost efficiencies of 50 to 70 percent.

Internet Wire, an Internet-based distributor of direct company news and online business communications materials.

Syndesis has captured the market in high-efficiency, end-to-end provisioning and activation solutions that are critical for service offerings like Triple Play, Ethernet and DSL. CoManage is renowned for industry-leading data integrity management solutions that enable service providers to improve the quality of data used in service management and revenue assurance processes.

Pentacom, Ltd. provides networking solutions and information technology services, and it specializes in networking components that connect optical networks to the Internet backbone. The company was founded in 1998 and is based in Herzliya, Israel.

NetScreen Technologies is a company that specializes in the design, development, and sale of network security products and services. Focused on providing robust solutions for cybersecurity, NetScreen plays a crucial role in protecting network infrastructures for various clients. The company is known for its innovative technologies that address the growing challenges of online threats, ensuring secure communication and data integrity for businesses. By delivering effective and reliable security measures, NetScreen Technologies contributes to the overall safety of digital environments for its customers.

PMC Sierra is a provider of semiconductor solutions focused on enhancing Internet infrastructure for enterprise clients and the communications networking equipment industry. The company designs, develops, markets, and supports a range of semiconductor technologies suited for various applications, including enterprise storage, wide area network infrastructure, and access networks. Its product offerings include processors for packet management, radio frequency transceivers for broadband signal transmission, and serializers/deserializers for traffic conversion. With a global presence through offices in North America, Europe, Israel, and Asia, PMC Sierra delivers technical and sales support to its customers, ensuring effective implementation of its advanced semiconductor solutions.