Avaya OneCloud vs. 3CX Phone System: Comparing Best Contact Center Software Solutions 2026

Overview: Avaya OneCloud and 3CX Phone System as Contact Center Software Category solutions.

Avaya OneCloud: Avaya-onecloud offers cloud-based solutions for CX, collaboration, and contact centers. Great brand experiences are built with Avaya's tailored tools for team needs.

3CX Phone System: 3CX phone system offers VoIP services compatible with Windows and Linux. It includes inbuilt video conferencing, live chat, and can be hosted or on-premise, all for free.

This comparison of Avaya OneCloud vs. 3CX Phone System draws on 1096 Cuspera insights from customer stories. The use cases and topics below show where the two products overlap and where each one stands apart.

Both Avaya OneCloud and 3CX Phone System are commonly chosen for Contact center management.

Avaya OneCloud also supports Omnichannel contact center management, Cloud telephony integration with CRM, Customer service process optimization, Emergency call location compliance, etc.

3CX Phone System also supports VoIP telephony system replacement, Employee mobility enablement, Unified communications for care teams, Unified communications for remote workforce, etc.

Evidence shows that both products are used for Customer engagement, Unified communications, Workforce management, Contact center management.

Avaya OneCloud also covers Contact center modernization, Contact center operations, Collaboration and communication, Emergency communications, etc.

3CX Phone System also covers Telecommunications, Contact center solutions, Customer service operations, Telephony cost management, etc.

Top use cases: Avaya OneCloud vs 3CX Phone System

Use cases tied to Avaya OneCloud and 3CX Phone System from verified data sources. Click any use case for supporting evidences.

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Top Capabilities: Avaya OneCloud vs 3CX Phone System

Lengths: relative topic prominence (square-root scale) · Labels: comparison split. Click any item for supporting evidences.

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Deployed Industries: Avaya OneCloud vs 3CX Phone System

Lengths: relative industry prominence (square-root scale) · Labels: comparison split. Click any item for supporting evidences.

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Deployed Market Segments: Avaya OneCloud vs 3CX Phone System

Share of peer evidence by company size for Avaya OneCloud and 3CX Phone System. Each product segments add up to 100%. Click any segment for supporting evidence.

Avaya OneCloud 100%
3CX Phone System 100%

Avaya OneCloud and 3CX Phone System: Best activities based on customer satisfaction


Avaya OneCloud in Action: Unique Activities

What makes Avaya OneCloud ideal for Collaboration?
Avaya OneCloud offers a unified communications solution that enhances collaboration in the digital workplace. It simplifies communications and streamlines operations by enabling quick deployment and customization of services. The solution prioritizes security and compliance while empowering employees to collaborate effectively.
"...Avaya OneCloud UCaaS. Meet, collaborate and communicate easily with solution capabilities designed for today s digital workplace no boundaries, time limitations, or physical constraints. ..." Cloud Business & Communications Solutions
What benefits does Avaya OneCloud offer for Engagement Management?
Avaya OneCloud provides solutions for engaging customers and employees. The solutions use artificial intelligence, predictive routing, and real-time sentiment analysis to improve interactions. These solutions can be deployed flexibly in the cloud.
"...The pandemic started a new conversation around remote employee engagement...." Cloud Business & Communications Solutions

3CX Phone System in Action: Unique Activities

How efficiently Does 3CX Phone System manage your Conference Call Management?
The system allows users to schedule and conduct conference calls. Users can also manage voicemail, and access other features. The platform offers a web interface for managing conference calls and voicemail.
"...Things such as Video Meetings, Screen sharing, on the fly Conference calls along with mobile device apps right out of the box with no additional costs make this product far and away the best the market has to offer today as far as Data Tech is concerned!..." Peer review by Mike P., Information Technology and Services
What solutions does 3CX Phone System provide for Sales Document Management?
The system offers a range of features, including integration with property management software. It also supports a wide range of IP phones. nThe system is scalable and can accommodate multiple sites and thousands of users. nIt provides fine-grained security restrictions, allowing access only to desired users and features.
"...WebRTC-based WebMeeting allow participants to join a web meeting with or without video, without having to download special software (Chrome and Mozilla currently supported); also includes document sharing, screen sharing, Chat, etc - the required Windows platform can be as small as an inexpensive hardware appliance running Windows 7/8/10 Pro (newest Atom or i3 CPU permits up to 16 simultaneous calls), or almost any flavor of Windows Server running on appropriate hardware, or installed as a virtual machine (both Hyper-V and VMware are supported); multi-tenant version is available for hosting providers - although a very small office would do very well with the Free version, 3CX is scalable to multiple sites and thousands of users, easily partitioned by departments/groups with fine-grained security restrictions to provide access only to desired users and features - pricing is based on number of simultaneous calls, not extensions (i.e. unlimited users with no additional licensing)...." Peer review by David H., Information Technology and Services
How does 3CX Phone System facilitate Helpdesk Management?
The system offers call center management features for small to medium-sized businesses. It includes real-time monitoring, reporting, recording, and CRM integration. However, it may not be suitable for large call centers with rapidly increasing agent numbers.
"...up to 10 total) - Pro version adds very comprehensive Call Center features including real time monitors, reporting, recording, external Agents, callback, SLA alerting, and CRM integration support for MS Dynamics, Google Contacts, full Office 365 support, Exact Online, Salesforce, SugarCRM, and Act!..." Peer review by David H., Information Technology and Services

Integrations

Ecosystem partners each product commonly connects with.

News

Latest Avaya OneCloud news

Jeff Clarke takes the helm of Avaya

Jeff Clarke has been appointed as the new CEO of Avaya, marking the company's fourth CEO in five years. Clarke, who previously led Insurity, brings extensive experience from roles at Doxim, Travelport, Kodak, and others. Former CEO Patrick Dennis will transition to executive chair. Clarke aims to drive innovation and strengthen Avaya's position in enterprise communications.

03/08/2026 - source

Latest 3CX Phone System news

3CX ENT+ wird eingestellt und zu Grok verlagert

3CX is discontinuing its ENT+ subscription, transitioning to the AI Edition with Grok for transcription services. This move aims to enhance AI capabilities and offer more cost-effective solutions compared to Google and OpenAI. Existing ENT+ users can continue using the service, while new users will adopt the AI Edition. Refunds are available for recent ENT+ purchases.

26/04/2026 - source