Contains spreadsheets showing on-premises PBX line shipments and revenues for 4Q21 and CY21 along with a market forecast from 2022-26. Companies covered in the report include Cisco Systems, Avaya, Microsoft, Atos, Mitel, NEC, Alcatel Lucent Enterprise, and others.
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Enterprise Unified Communication and Voice Equipment Market Tracker – 3Q21 Analysis
Report / 09 Dec 2021 / Brent Kelly
This report provides quarterly vendor market share, size, forecasts, and analysis for enterprise PBX, UC, and IP phones. Vendors covered include ALE, Atos Unify, Avaya, Cisco, Microsoft, Mitel, NEC, Poly, and Yealink.
Enterprise Unified Communication and Voice Equipment Market Tracker – 3Q21 Data
Data / 08 Dec 2021 / Brent Kelly
Excel spreadsheets for the 3Q21 Enterprise Unified Communication and Voice Equipment Market Tracker.
Business VoIP and UC Services Market Report – 2021 Analysis
Report / 04 May 2021 / Diane Myers
Provides market size, forecasts, and market trends for the SIP trunking, UCaaS, and managed IP PBX/UC services market through 2025 with regional breakouts for North America, EMEA, Asia & Oceania, and Latin America & the Caribbean. See also Business VoIP and UC Services Market Report – 2021 Data
The Analyst Team

Brent Kelly
Follow AnalystPrincipal Analyst, Digital Workplace
Brent Kelly is a principal analyst for unified communication and collaboration within Omdia’s Digital Workplace team.
Since 1998, Brent has been the principal analyst at KelCor, Inc., where he provided strategy and counsel to CxOs, investment analysts, VCs, technology policy executives, sell-side firms, and technology buyers. He also provided full-time consultancy to Wainhouse Research and Constellation Research. With a PhD in chemical engineering, Brent has a strong data background in numerical methods and applied artificial intelligence with significant experience developing IoT and AI solutions.
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