G2 Vendor Directory

Asterisk vs. Zadarma Cloud PBX

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

MetricAsterisk

by Sangoma

Zadarma Cloud PBX

by Zadarma

Overall rating4.64.5
Review count5931
Ease of use8.19.0
Ease of setup7.98.6
Quality of support8.67.7
Meets requirements9.18.0
NPS80.76923170.967742
Small Business35.6%83.9%
Mid-Market47.5%16.1%
Enterprise16.9%0.0%
Total page views2191,127
Total LLM citations9753,352

Asterisk

Build Voice, Video and Text Applications Easily With Asterisk, The World's Most Widely Adopted Open Source Communications Software Development Framework. Asterisk is an open source framework for developing state-of-the-art communications applications. Asterisk includes hundreds of pre-built components that handle the complex, low-level details of voice, video, and text communications. Developers use Asterisk to create custom communications solutions and to build innovative communications products. Discover how Asterisk can power your next-generation communications deployment.

Pros

  • Easy Integrations
  • Integrations
  • Customer Service
  • Time Efficiency
  • Easy Integration
  • VoIP Services

Zadarma Cloud PBX

Zadarma provides a comprehensive voice telecommunication solution for companies of all sizes. From virtual numbers in over 110 countries and free Cloud PBX to free CRM, AI voice agent, Call Tracking and various website widgets - you can fully establish your business phone system in a matter of a few minutes and at attractive rates.

Pros

  • Business Tools
  • Easy Integration
  • Simple
  • Reliability
  • Easy Setup
  • Ease of Use