Email Article
All set! This article has been sent to my@email.address.
All fields are required. For multiple recipients, separate email addresses with a semicolon.
Please Note: Only individuals with an active subscription will be able to access the full article. All other readers will be directed to the abstract and would need to subscribe.
These are Omdia driven recommendations based on content that is both similar, and has been frequently visited by other users in combination with the content you are currently viewing.
Omdia Recommends
These are Omdia driven recommendations based on content that is both similar, and has been frequently visited by other users in combination with the content you are currently viewing.
Enterprise Unified Communication and Voice Equipment Market Tracker – 4Q23, CY23, and 2024–28 Forecast Data
Data / 15 Mar 2024 / Brent Kelly
Contains 4Q23 and CY23 on-premises PBX and IP telephone shipment and revenue data and market forecast for 2024–28. Estimates PBX revenue in 42 countries. Covers Cisco, Avaya, Atos, Mitel, NEC, Alcatel-Lucent, and others.
Enterprise Unified Communication and Voice Equipment Market Tracker – 4Q23, CY23, and 2024–28 Forecast Analysis
Report / 15 Mar 2024 / Brent Kelly
This report provides color and analysis of the on-premises PBX and IP telephone handset markets. Omdia covers PBX providers, including Cisco, Avaya, NEC, Mitel, Atos, Alcatel-Lucent Enterprise, Ericsson-LG, Yealink, and Poly.
Enterprise Unified Communication and Voice Equipment Market Tracker Dashboard
Data / 28 Mar 2025 / Brent Kelly
Tableau visualization dashboard for global, regional, and select country estimates for on-premises PBX revenue, line/license shipments, and IP telephones.
UCaaS - Market Data and 2024-2028 Forecast - 1H24
Data / 05 Oct 2024 / Prachi Nema
This data file contains 1H24 actuals and five year forecast for telephony-based UCaaS and collaborative meeting services seat counts and revenues for major vendors, including Microsoft, Zoom, Cisco, RingCentral, Tencent, Vonage, and others.
Market Landscape: MultiCaaS – Blending UCaaS and CCaaS for Differentiation and Growth
Report / 08 Oct 2024 / Brent Kelly
MultiCaaS is a response to the rising end-user demand for cloud-based communication and customer engagement solutions, which Omdia predicts will significantly disrupt the market, replacing many standalone UCaaS and CCaaS offerings.
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.
More Content By Brent KellyBecome A Client
Find out more about our full suite of products and solutions.
Become A ClientYou must sign in to use this functionality
Authentication.SignIn.HeadSignInHeader
These are Omdia driven recommendations based on content that is both similar, and has been frequently visited by other users in combination with the content you are currently viewing.
Omdia Recommends
These are Omdia driven recommendations based on content that is both similar, and has been frequently visited by other users in combination with the content you are currently viewing.
Thank you
Our expert analysts will review your question and the Ask an Analyst team will get back to you. We aim to respond within 24 hours, but we’re often quicker.
Ask an Analyst
Our team of experts are here to answer your questions. From advice on market trends to a query on research point, and everything in between, we want to hear from you.
Ask an analyst is available as part of a subscription. If you'd like access, contact us today.