Ribbon Communications Inc., established in 1997 and headquartered in Plano, Texas, is a global provider of advanced communication technology. Operating across the United States, Europe, the Middle East, Africa, and the Asia Pacific region, the company, formerly known as Sonus Networks, Inc. until its rebranding in November 2017, divides its operations into two primary segments: Cloud and Edge, and IP Optical Networks. The Cloud and Edge segment delivers software and hardware products, along with comprehensive solutions designed to enable modern voice and collaboration services. These include Voice over Internet Protocol (VoIP), Voice over Long-Term Evolution (VoLTE), Voice over 5G (VoNR), and Unified Communications and Collaboration (UC&C). Additionally, it offers Session Border Controller (SBC) technology and various network transformation tools. This segment's offerings cater to diverse infrastructures, spanning private, public, and hybrid cloud environments, data centers, enterprise premises, and service provider networks, with flexible deployment options available in-network, on-premises, or through a telco cloud. The IP Optical Networks segment focuses on hardware and software solutions for IP networking, switching, routing, and optical transport. These capabilities are essential for facilitating next-generation technologies like 5G and distributed cloud computing, along with their associated applications. Its robust portfolio includes 5G-native solutions for mobile backhaul, metro and edge aggregation, core networking, data center interconnect, and transport services for wholesale carriers, alongside addressing legacy network termination requirements. This segment serves a wide array of clients, including service providers, enterprises, and specific industries such as utilities, government, defense, finance, transportation, education, and research. Furthermore, it provides sophisticated analytics platforms, including cloud-native and streaming analytics, to offer deep insights into network and subscriber behavior.
Subscribe to see Ribbon Communications’s full profile → the full roster, investors in every round, weekly hiring history and every corporate event
Ribbon Communications is a software - application company headquartered in Plano, United States. It is publicly listed (RBBN) with a market capitalisation of $320.8M. Xcout tracks 27 named people at Ribbon Communications, including Bruce W. McClelland (President, Chief Executive Officer & Director). Xcout recorded 2 job postings from Ribbon Communications in the last 90 days.
21 more named people on record for Ribbon Communications, with roles, board committees and tenure — see the full roster →
Xcout recorded 2 job postings from Ribbon Communications in the last 90 days, from a hiring record Xcout has kept since June 2026.
The weekly hiring trend, the roles and locations behind it — see Ribbon Communications's hiring signals →
A few of Ribbon Communications's closest competitors — see the full list of competitors and alternatives →
RingCentral, Inc. delivers sophisticated cloud-based software-as-a-service (SaaS) solutions designed to empower businesses across North America to communicate, collaborate, and connect seamlessly. These core offerings, including both unified communications and comprehensive contact center capabilities, are built upon the company's proprietary "Message Video Phone" (MVP) platform. Its extensive product portfolio features "RingCentral Office," a robust platform enabling communication and collaboration through high-definition voice, video, SMS, team messaging, conferencing, online meetings, and fax. For customer service operations, the "RingCentral Contact Center" provides a collaborative, omnichannel solution, complemented by "RingCentral Engage Digital" for enterprise-level digital customer interactions, and "RingCentral Engage Voice" for cloud-based outbound and blended customer engagement catering to midsize and large organizations. Furthermore, "RingCentral Video" offers dedicated video meeting services with integrated team messaging, audio/video conferencing, file sharing, and management tools. Specialized solutions include "RingCentral Professional," a virtual cloud telephone service for inbound call management, and "RingCentral Fax" for online faxing. The company caters to a diverse array of industries, such as financial services, education, healthcare, real estate, retail, technology, and government sectors. Its go-to-market strategy involves both direct sales representatives and a broad ecosystem of sales agents, resellers, and channel partners. Founded in 1999 and headquartered in Belmont, California, RingCentral has also forged strategic alliances with key industry players, including Alcatel-Lucent Enterprise and Vodafone Business.
Five9, Inc. is a global provider of cloud-based contact center software, operating both within the United States and abroad. The company's core offering is a virtual contact center cloud platform, which integrates a comprehensive set of applications designed to facilitate a wide array of contact center operations, spanning customer service, sales initiatives, and marketing efforts. This advanced solution empowers clients to seamlessly handle customer engagements across numerous communication channels, including voice calls, video interactions, live chat, email, website interfaces, social media platforms, click-to-call functions, callback services, and mobile applications, as well as through programmable interfaces (APIs). Furthermore, the platform incorporates sophisticated natural language processing and automatic speech recognition capabilities. Five9 caters to a diverse clientele across various sectors, such as banking and financial institutions, business process outsourcing firms, consumer-oriented businesses, healthcare providers, technology companies, and educational organizations. Established in 2001, Five9, Inc. maintains its primary corporate offices in San Ramon, California.
Gamma Communications provides business communication services, unified communications (UCaaS), contact center solutions (CCaaS), connectivity, and cyber security products. The company serves businesses, public sector organizations, and communication service providers across the United Kingdom and Europe.
Aarna Networks develops open-source cloud-native network automation and orchestration software for managing Kubernetes-based edge and telecom workloads across multiple clusters. It serves telecommunications operators, enterprises, and technology partners deploying 5G and edge-computing infrastructure.
Avaya provides enterprise customer experience (CX), unified communications, and critical communications infrastructure platforms and services. The company serves various industries, including healthcare, education, financial services, and government, by offering AI-driven communication solutions, voice infrastructure, and workflow orchestration.
Operating within Australia, Spirit Technology Solutions Ltd. delivers a suite of services encompassing collaboration and communication tools, robust cybersecurity measures, and comprehensive managed IT solutions. For small enterprises, its collaboration and communication offerings feature integrated platforms, voice and video solutions, alongside data management and office technology provisions. The firm further extends its expertise to corporate and enterprise clients through a range of cybersecurity services, including managed security offerings and bespoke solutions, all supported by a round-the-clock Security Operations Centre and expert professional teams. Moreover, for small-to-medium businesses (SMBs) and midmarket companies, it provides diverse managed IT and professional services, covering aspects like end-user support, public cloud management, infrastructure and networking, data solutions, and voice services. Headquartered in Melbourne, Australia, the entity, previously known as Spirit Telecom Limited, adopted its current designation, Spirit Technology Solutions Ltd., in October 2020.
Funding rounds, acquisitions, new executives, launches and expansions, each with a two-line summary and a link to the source. One short email a day, only when there is news.
Free: up to 5 companies, daily. Subscribers also follow whole sectors and saved filters (M&A in Israel, AI funding…), get instant alerts, in-app notifications and signed webhooks, and open the full profile behind every name. Subscribe →
Post the link and the card appears automatically — each network fetches the image itself.