G2 Vendor Directory

Cisco Unified Communications Manager (CallManager) vs. Avaya Unified Communications

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

MetricCisco Unified Communications Manager (CallManager)

by Cisco

Avaya Unified Communications

by Avaya

Overall rating4.44.2
Review count11142
Ease of use8.48.9
Ease of setup7.48.1
Quality of support8.88.7
Meets requirements9.29.2
NPS57.69230844.736842
Small Business6.3%16.7%
Mid-Market48.6%23.8%
Enterprise45.0%59.5%
Total page views199406
Total LLM citations486728

Cisco Unified Communications Manager (CallManager)

Cisco Unified Communications Manager (Unified CM), formerly known as Cisco CallManager, is a comprehensive call-processing system that delivers reliable, secure, and scalable voice and video communications for enterprises. It integrates voice, video, messaging, and mobility services, enabling seamless collaboration across various devices and locations. Key Features and Functionality: - Unified Communications: Provides IP telephony, high-definition video, unified messaging, instant messaging, and presence capabilities, consolidating communication tools into a single platform.

Pros

  • Video Conferencing
  • Reliability
  • Communication
  • Customer Service
  • Messaging Features
  • Chat Feature

Avaya Unified Communications

Avaya Unified Communications (UC) is an integrated platform that consolidates multiple communication and collaboration channels into a single, cohesive system. Designed for modern enterprises, Avaya UC enables organizations to streamline communications across voice, video, messaging, and conferencing while supporting flexible work environments and seamless device mobility.

Pros

  • Ease of Use
  • Video Conferencing
  • Instant Messaging
  • Remote Work
  • VoIP Services
  • Easy Integration