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Asterisk vs OpenTok

Professional comparison and analysis to help you choose the right software solution for your needs.

Asterisk icon
Asterisk
OpenTok icon
OpenTok

Asterisk vs OpenTok: The Verdict

⚡ Summary:

Asterisk: Asterisk is an open source communications software that allows you to build telephony applications and services. It supports voice over IP, video conferencing, voicemail, auto attendant, interactive voice response, and more. It can be used to build PBX systems, call center solutions, and other communications platforms.

OpenTok: OpenTok is a WebRTC video conferencing platform that enables developers to easily integrate high-quality video chat into web and mobile apps. It provides reliable video streaming, cross-platform capability, scalability, security features, and a flexible API.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Asterisk OpenTok
Sugggest Score — —
Category Network & Admin Social & Communications
Pricing Open Source —

Product Overview

Asterisk
Asterisk

Description: Asterisk is an open source communications software that allows you to build telephony applications and services. It supports voice over IP, video conferencing, voicemail, auto attendant, interactive voice response, and more. It can be used to build PBX systems, call center solutions, and other communications platforms.

Type: software

Pricing: Open Source

OpenTok
OpenTok

Description: OpenTok is a WebRTC video conferencing platform that enables developers to easily integrate high-quality video chat into web and mobile apps. It provides reliable video streaming, cross-platform capability, scalability, security features, and a flexible API.

Type: software

Key Features Comparison

Asterisk
Asterisk Features
  • PBX functionality
  • VoIP
  • Interactive voice response
  • Voicemail
  • Conference calling
  • Call routing
  • Call queuing
OpenTok
OpenTok Features
  • WebRTC video conferencing
  • Real-time audio and video
  • Screen sharing
  • Text chat
  • Cross-platform capability
  • Scalable
  • Flexible API
  • Archiving
  • Security features

Pros & Cons Analysis

Asterisk
Asterisk

Pros

  • Open source and free
  • Highly customizable
  • Supports many protocols and codecs
  • Active development community
  • Integrates with many CRM and business software

Cons

  • Steep learning curve
  • Requires technical expertise to setup and manage
  • Limited official support
  • Fragmented documentation
  • Not as feature rich as proprietary PBX systems
OpenTok
OpenTok

Pros

  • High quality video and audio
  • Easy integration
  • Reliable streaming
  • Scales to large audiences
  • Works across devices
  • Flexible pricing options
  • Good documentation and support

Cons

  • Can be complex for basic use cases
  • Requires some programming knowledge
  • No whiteboarding features
  • Limited call recording options in basic plan

Pricing Comparison

Asterisk
Asterisk
  • Open Source
OpenTok
OpenTok
  • Not listed

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Learn More About Each Product

Asterisk
Asterisk
Reviews, pricing & alternatives →
OpenTok
OpenTok
Reviews, pricing & alternatives →

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