8x8 Business Phone vs. Avaya OneCloud UCaaS: Comparing Best Contact Center Software Solutions 2026

Overview: 8x8 Business Phone and Avaya OneCloud UCaaS as Contact Center Software Category solutions.

8x8 Business Phone: 8x8's business phone system connects teams globally and across channels. It provides secure access to critical information anywhere.

Avaya OneCloud UCaaS: Avaya-onecloud-ucaas offers innovative workplace communication with a stable core and advanced collaboration tools. Best-of-breed integrations ensure compatibility with existing tech stacks.

This comparison of 8x8 Business Phone vs. Avaya OneCloud UCaaS draws on 1973 Cuspera insights from customer stories. The use cases and topics below show where the two products overlap and where each one stands apart.

Both 8x8 Business Phone and Avaya OneCloud UCaaS are commonly chosen for Contact center modernization, Unified communications platform deployment, Cloud-based phone system migration, Contact center management, etc.

8x8 Business Phone also supports Unified communications for multi-site operations, Unified communications for remote work, Contact center management and analytics, Unified communications for housing services, etc.

Avaya OneCloud UCaaS 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, Contact center management, Workforce management, etc.

8x8 Business Phone also covers Telehealth solutions, Compliance management, Customer service management, Field data collection, etc.

Avaya OneCloud UCaaS also covers Collaboration and communication, Emergency communications, Sales enablement, Cloud migration, etc.

Top use cases: 8x8 Business Phone vs Avaya OneCloud UCaaS

Use cases tied to 8x8 Business Phone and Avaya OneCloud UCaaS from verified data sources. Click any use case for supporting evidences.

8x8 Business Phone
Avaya OneCloud UCaaS
Shared by both · Use cases
8x8 Business Phone Avaya OneCloud UCaaS

Top Capabilities: 8x8 Business Phone vs Avaya OneCloud UCaaS

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

8x8 Business Phone
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Avaya OneCloud UCaaS
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8x8 Business Phone only
Avaya OneCloud UCaaS only

Deployed Industries: 8x8 Business Phone vs Avaya OneCloud UCaaS

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

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Deployed Market Segments: 8x8 Business Phone vs Avaya OneCloud UCaaS

Share of peer evidence by company size for 8x8 Business Phone and Avaya OneCloud UCaaS. Each product segments add up to 100%. Click any segment for supporting evidence.

8x8 Business Phone 100%
Avaya OneCloud UCaaS 100%

8x8 Business Phone and Avaya OneCloud UCaaS: Best activities based on customer satisfaction

8x8 Business Phone in Action: Unique Activities

How efficiently Does 8x8 Business Phone manage your Communication Management?
This system facilitates communication by providing features such as voicemail, call recording, and monitoring. It integrates with other business software, enabling users to track call activity and manage call routing. Although the system generally works well, there are occasional issues with monitoring live calls.
"...Voicemail, voice calls, monitoring, call recording, soft phone...." Peer review by Anonymous Reviewer, Computer Software
What makes 8x8 Business Phone ideal for Conference Call Management?
8x8 Business Phone offers the ability to easily set up and manage conference calls. Users can schedule one-time or recurring conference calls and access them from any location. Limitations include occasional issues connecting to conference calls.
"...Often times I have to conference multiple calls in order to brainstorm and communicate with our clients...." Peer review by Taylor T

Avaya OneCloud UCaaS in Action: Unique Activities

How can Avaya OneCloud UCaaS optimize your Collaboration Workflow?
Avaya OneCloud offers communication and collaboration capabilities for enterprises of all sizes. It provides advanced collaboration services and applications, such as video conferencing, screen sharing, chat, and voice communication. This platform simplifies communication, improves productivity, and enables employees to work remotely and collaboratively.
"...Avaya Aura is our core communications platform delivering company-wide, people-centric collaboration and supporting full unified communications and contact center solutions for midsize to large enterprises...." Peer review
Why is Avaya OneCloud UCaaS the best choice for Helpdesk Management?
Avaya OneCloud Ucaas provides comprehensive helpdesk management capabilities for call centers, enabling agents to handle customer interactions efficiently. The software includes features for managing calls, routing, and reporting, supporting both traditional and remote work environments. However, the system can experience occasional device resets requiring technical assistance.
"...Avaya had there SBC as well which provides us highly security to our calls and contact centers...." Peer review by Sudshanshu G, Telecom engineer
What solutions does Avaya OneCloud UCaaS provide for Sales Call Management?
The application provides comprehensive call management capabilities, including advanced call queue management, inbound call vectoring, and call center management software. It also offers features such as call recording and reporting. The application may experience crashes, potentially impacting call volume management.
"...The basic feature of this application is its ability to manage a long call queue in a very sophisticated way that suits well to each and every company or organization...." Peer review by Megan R, Programmer, Information Technology and Services
How can Avaya OneCloud UCaaS optimize your Contact List Management Workflow?
The platform facilitates efficient contact management, enabling users to organize and interact with clients, customers, vendors, and service centers. Users can access their work numbers from their personal devices, enhancing communication accessibility. The system prioritizes secure call handling, safeguarding contact centers and communication.
"...We use it to contact customers, vendors, and service centers...." Peer review by Iriane W, Service Advisor, Telecommunications
How does Avaya OneCloud UCaaS address your Engagement Management Challenges?
Avaya OneCloud Unified Communications as a Service Engagement Management capabilities enable organizations to achieve game-changing customer engagement and organizational efficiencies. This application helps to decrease call volumes and interaction expenses. The capabilities are limited to the specific features and functionalities offered by the application.
"...Moreover, this application helps in decreased volumes of calls as well as the expenses as a result of customer interaction are becoming a major concern which can be readily solved through it...." Peer review by Megan R, Programmer, Information Technology and Services

News

Latest 8x8 Business Phone news

8X8 pushes CPaaS to help APAC retailers unify customer messaging channels

8X8 enhances its CPaaS solution to integrate customer messaging for APAC retailers across apps like LINE, Zalo, and WhatsApp. This integration aims to streamline communication channels, reduce sales losses, and improve customer engagement by tailoring messaging to regional preferences.

25/08/2026 - source

Latest Avaya OneCloud UCaaS 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