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

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

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.

OnAvaya: OnAvaya™ – Google Cloud Platform offers a hosted contact center service using Avaya's IP Office™ and IP Office™ Contact Center software. This service is available exclusively in the US.

This comparison of 3CX Phone System vs. OnAvaya draws on 1102 Cuspera insights from customer stories. The use cases and topics below show where the two products overlap and where each one stands apart.

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

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

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

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

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

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

Top use cases: 3CX Phone System vs OnAvaya

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

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OnAvaya
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3CX Phone System OnAvaya

Top Capabilities: 3CX Phone System vs OnAvaya

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

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3CX Phone System only
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Deployed Industries: 3CX Phone System vs OnAvaya

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

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Deployed Market Segments: 3CX Phone System vs OnAvaya

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

3CX Phone System 100%
OnAvaya 100%

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


3CX Phone System in Action: Unique Activities

What makes 3CX Phone System ideal for 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.
"...3cx today is a very simple, easy to use tool tulizamos it today in our central voip for internal and external communication making and receiving links, web conferences and more...." Peer review by Francisco C, customer service
What Are the key features of 3CX Phone System for Collaboration?
The 3CX Phone System supports collaboration by facilitating video conferencing, screen sharing, and instant messaging. It also allows for group communication with features such as conference calls and shared document viewing. The 3CX system is limited in its video conferencing capabilities, lacking the option to hide unnecessary updates.
"...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
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.
"...I recommend all companies and users who need to make many calls a day, to contract the 3CX service...." Peer review by Federico A, Administrador de página web
What Are the key features of 3CX Phone System for 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.
"...Our company no longer has to maintain and support hundreds of desk phones...." Peer review by Lisa N. K., Computer Software

OnAvaya in Action: Unique Activities

What benefits does OnAvaya offer for Sales Call Management?
Onavaya simplifies call management for contact center agents. It streamlines call management for softphones, allowing agents to handle calls, chats, and emails. Users can easily track call records by date, time, and other details.
"...Very organise to track the calls records by date, time, user, phone number, etc. . ...." Peer review by Verified Reviewer, Internet

Integrations

Ecosystem partners each product commonly connects with.

News

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

Latest OnAvaya 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