G2 Vendor Directory

NobelBiz Voice Carrier Network vs. Avaya Contact Center

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

MetricNobelBiz Voice Carrier Network

by NobelBiz

Avaya Contact Center

by Avaya

Overall rating4.34.1
Review count10189
Ease of use8.28.7
Ease of setup9.48.1
Quality of support8.98.5
Meets requirements8.88.9
NPS6039.130435
Small Business60.0%16.0%
Mid-Market10.0%33.5%
Enterprise30.0%50.5%
Total page views27610
Total LLM citations21,550

NobelBiz Voice Carrier Network

The NobelBiz Voice Carrier Network is the only VoIP interconnected provider built to service contact-center-specific traffic, with multiple redundancies across the globe. As a result, our telecom network offers uninterrupted uptime and an impressive geographical footprint, delivering the best possible voice quality at a fair price. Because we focus solely on the contact center niche, all the features and support processes were fine-tuned to maximize the efficiency, quality, and demands of the call center industry.

Pros

  • Reliability
  • Customer Support
  • Customer Service
  • Efficiency
  • VoIP Services
  • Call Recording

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