Radvision

Radvision
Name	Radvision
Type	Public (formerly)
Industry	Telecommunications, Video Conferencing, VoIP
Founded	1992
Founder	Amitai Ziv
Fate	Acquired by Avaya (2012)
Headquarters	Rosh HaAyin, Israel
Key people	Amit Cohen (former CEO), Elior Zim
Products	Video gateways, SIP servers, MCU, IP phones, H.323 stacks
Revenue	(historical)
Num employees	(historical)

Radvision was an Israeli technology company specializing in multimedia communication solutions for telecommunications and enterprise software markets. Founded in 1992, the firm developed interoperable videoconferencing, voice-over-IP, and session initiation protocol products and components used by service providers, equipment vendors, and enterprise customers worldwide. Over two decades Radvision became known for protocol stacks, gateways, and standards contributions before its acquisition in 2012.

History

Radvision was established in 1992 in Rosh HaAyin, Israel by Amitai Ziv and colleagues emerging from the regional high-tech ecosystem shaped by Intel Israel and early Israeli startups. During the 1990s the company expanded into real-time multimedia, participating in development efforts tied to H.323, SIP (protocol), and MPEG standards, while securing contracts with vendors such as Polycom, Siemens, Ericsson, and Alcatel. In the 2000s Radvision pursued an initial public offering on the NASDAQ and increased R&D hiring amid competition from firms including Tandberg, Cisco Systems, Sony Corporation, and Avaya. Strategic acquisitions and partnerships bolstered its product lines; the company later sold specific divisions and intellectual property, culminating in the 2012 acquisition of its equipment business by Avaya and subsequent transfers affecting employees and assets.

Products and Technology

Radvision developed both end-user equipment and embedded software components. Hardware offerings included video conferencing systems, multipoint control units (MCUs), gateways, and IP phones used by BT Group, Verizon Communications, and major service providers. Its software portfolio featured SIP and H.323 stacks, media servers, endpoint firmware, and SDKs licensed to original equipment manufacturers such as NEC Corporation, Huawei Technologies, Alcatel-Lucent, and Fujitsu. Radvision's technology emphasized protocol interoperability across standards like H.264, H.323, SIP (protocol), and RTCP, enabling integration with infrastructure from Microsoft Live Communications Server deployments and Google-related multimedia initiatives. The company also produced testing and conformance tools leveraged by vendors including Nokia and Ericsson for certification and carrier trials.

Corporate Structure and Ownership

Originally privately held, Radvision later listed shares on the NASDAQ and was governed by a board with representation from investors and founders. Major shareholders at various times included institutional investors from United States and Israel financial markets. Executive leadership comprised founders and veteran telecom executives who negotiated OEM agreements with firms such as Siemens and strategic partnerships with carriers like Deutsche Telekom and Orange S.A.. In 2012 the equipment and software divisions were the subject of asset sales and transfers that resulted in the purchase of key businesses by Avaya; remaining intellectual property and other units were distributed, sold, or integrated into successor organizations and private entities.

Markets and Customers

Radvision served telecommunications operators, enterprise IT departments, system integrators, and OEMs. Customers and partners included global service providers like BT Group, Verizon Communications, France Télécom, and KDDI; equipment manufacturers such as NEC Corporation, Huawei Technologies, and Alcatel-Lucent; and enterprise accounts in sectors including finance, healthcare, and government where videoconferencing from vendors like Polycom and Cisco Systems was prevalent. The company targeted markets in North America, Europe, Asia-Pacific, and Latin America, aligning offerings for carrier-grade deployments, managed services, and on-premises enterprise installations.

Intellectual Property and Standards Contributions

Radvision was active in standards bodies and contributed to protocol development and interoperability efforts. Engineers engaged with organizations including the International Telecommunication Union (ITU), the Internet Engineering Task Force (IETF), and industry consortia influencing H.323, SIP (protocol), and codec-related work such as H.264/MPEG-4 AVC. The company held patents and maintained a portfolio covering signaling, media handling, gateway architectures, and endpoint control, licensing technology to OEM partners and asserting rights where commercial arrangements required. Radvision also offered interoperability labs and participated in plugfests alongside firms like Microsoft, Cisco Systems, and Polycom to validate cross-vendor compatibility.

Controversies and Legal Issues

Throughout its commercial life Radvision was involved in disputes typical of telecom vendors, including intellectual property negotiations, licensing disagreements, and competitive litigation. High-profile industry consolidation—such as mergers and acquisitions involving Cisco Systems, Polycom, and Avaya—created contractual and antitrust scrutiny at times. Patent licensing negotiations implicated major players like Microsoft and Ericsson, leading to settlements or licensing deals rather than prolonged public trials. Employment and asset transfer issues arose during business divestitures and the 2012 acquisition by Avaya, affecting staff and customer support transitions.

Category:Telecommunications companies of Israel Category:Companies established in 1992