G2 Vendor Directory

Zendesk Contact Center vs. Avaya Contact Center

A side-by-side comparison based on G2 review data.

MetricZendesk Contact Center

by Zendesk

Avaya Contact Center

by Avaya

Overall rating4.54.1
Review count327189
Ease of use9.28.7
Ease of setup9.08.1
Quality of support9.48.5
Meets requirements9.18.9
NPS70.34700339.130435
Small Business30.2%16.0%
Mid-Market59.2%33.5%
Enterprise10.6%50.5%
Total page views878610
Total LLM citations6,2111,550

Zendesk Contact Center

Zendesk for Contact Center is built with AI at its core to remove the gaps between channels, agents, and systems so every contact gets resolved faster across voice, self-service, and digital. Powered by the Zendesk Resolution Platform, it simplifies operations, accelerates service, and eliminates the fragility of legacy stacks and bolted-on tools. AI is embedded across every channel to accelerate agents and deflect the rest. Voice is native with AI Agents and Voice Copilot. And AI powered WFM, QA and reporting are included, no vendors to chase, no code to manage.

Pros

  • Ease of Use
  • Helpful
  • Efficiency
  • Features
  • Customer Support
  • Intuitive

Avaya Contact Center

Avaya Contact Center is delivered through Avaya Infinity, a cloud-native platform designed to orchestrate seamless customer experiences across all channels. Built on a modern microservices architecture with open AI orchestration, Avaya Infinity enables organizations to intelligently manage voice, digital, email, and messaging interactions. It provides dynamic routing, AI-powered automation, and real-time orchestration—with the unique flexibility to deploy fully in the cloud, on-premises, or in a hybrid environment.

Pros

  • Calling Features
  • Features
  • Connectivity
  • Analytics
  • Ease of Use
  • Call Quality