G2 Vendor Directory

HELLO By MSG91 vs. Avaya Contact Center

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

MetricHELLO By MSG91

by MSG91

Avaya Contact Center

by Avaya

Overall rating5.04.1
Review count31189
Ease of use9.28.7
Ease of setup9.58.1
Quality of support9.08.5
Meets requirements9.68.9
NPS96.77419439.130435
Small Business24.1%16.0%
Mid-Market62.1%33.5%
Enterprise13.8%50.5%
Total page views1,354610
Total LLM citations1861,550

HELLO By MSG91

Hello by MSG91 is an AI-powered customer communication and support platform built to organize, route, and resolve customer conversations at scale. Most businesses lose deals and customers not because they lack tools, but because customer messages arrive across WhatsApp, email, web chat, RCS and social channels as— Instagram, facebook, twitter, with no single owner, no accountability, and no visibility. Messages are missed, replies are delayed, follow-ups are forgotten, and no one knows what was resolved or lost. Hello fixes this gap.

Pros

  • Ease of Use
  • Features
  • Efficiency
  • Reliability
  • Easy Setup
  • Integrations

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