Skip to content

Asterisk vs Natterbox

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

Asterisk icon
Asterisk
Natterbox icon
Natterbox

Asterisk vs Natterbox: 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.

Natterbox: Natterbox is a cloud-based phone system for businesses. It provides a virtual business phone with features like call routing, IVRs, voicemail, call recording, and analytics. Natterbox integrates with CRM systems and aims to improve productivity.

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 Natterbox
Sugggest Score — —
Category Network & Admin Business & Commerce
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

Natterbox
Natterbox

Description: Natterbox is a cloud-based phone system for businesses. It provides a virtual business phone with features like call routing, IVRs, voicemail, call recording, and analytics. Natterbox integrates with CRM systems and aims to improve productivity.

Type: software

Key Features Comparison

Asterisk
Asterisk Features
  • PBX functionality
  • VoIP
  • Interactive voice response
  • Voicemail
  • Conference calling
  • Call routing
  • Call queuing
Natterbox
Natterbox Features
  • Cloud-based phone system
  • Call routing
  • Interactive voice response (IVR)
  • Voicemail
  • Call recording
  • Analytics
  • CRM integration

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
Natterbox
Natterbox

Pros

  • Easy to set up and use
  • Flexible call routing features
  • Good for distributed teams
  • Integrates with popular CRM platforms
  • Call analytics for insights
  • Scales as your business grows

Cons

  • Can be expensive for large businesses
  • Limited customization options
  • Reliant on internet connectivity
  • May lack features of legacy phone systems
  • Integration with on-premises systems can be tricky

Pricing Comparison

Asterisk
Asterisk
  • Open Source
Natterbox
Natterbox
  • Not listed

Related Comparisons

Yate - Yet Another Telephony Engine
vs Asterisk vs Natterbox
Thirdlane Multi Tenant PBX
vs Asterisk vs Natterbox
8x8 Virtual Office
vs Asterisk vs Natterbox
Slingshot VoIP
vs Asterisk vs Natterbox

Learn More About Each Product

Asterisk
Asterisk
Reviews, pricing & alternatives →
Natterbox
Natterbox
Reviews, pricing & alternatives →

Ready to Make Your Decision?

Explore more software comparisons and find the perfect solution for your needs

Asterisk Alternatives
Natterbox Alternatives
Browse More Software