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Asterisk vs Nexmo

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

Asterisk icon
Asterisk
Nexmo icon
Nexmo

Asterisk vs Nexmo: 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.

Nexmo: Nexmo is a cloud communications platform that enables developers to integrate messaging, voice and phone capabilities into mobile apps, websites and business systems using APIs. It supports SMS, voice calls, phone number provisioning, 2-factor authentication and more.

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 Nexmo
Sugggest Score — —
Category Network & Admin Ai Tools & Services
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

Nexmo
Nexmo

Description: Nexmo is a cloud communications platform that enables developers to integrate messaging, voice and phone capabilities into mobile apps, websites and business systems using APIs. It supports SMS, voice calls, phone number provisioning, 2-factor authentication and more.

Type: software

Key Features Comparison

Asterisk
Asterisk Features
  • PBX functionality
  • VoIP
  • Interactive voice response
  • Voicemail
  • Conference calling
  • Call routing
  • Call queuing
Nexmo
Nexmo Features
  • SMS API
  • Voice API
  • Number Insight API
  • Account API
  • Messages API
  • Applications API
  • Conversion API
  • Dispatch API
  • Redact API
  • Media API

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
Nexmo
Nexmo
Pros
  • Easy to integrate APIs
  • Scalable infrastructure
  • Global reach
  • Flexible pricing
  • Good documentation
Cons
  • Can get expensive at high volumes
  • Limited free tier
  • Voice quality can vary

Pricing Comparison

Asterisk
Asterisk
  • Open Source
Nexmo
Nexmo
  • Not listed

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Learn More About Each Product

Asterisk
Asterisk
Reviews, pricing & alternatives →
Nexmo
Nexmo
Reviews, pricing & alternatives →

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