Asterisk vs Google Voice

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

Asterisk

Google Voice

Asterisk vs Google Voice: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

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

Product Overview

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

Google Voice

Description: Google Voice is a telephony service by Google that provides a phone number for making affordable calls within the U.S. and Canada. It has features like voicemail transcription, call screening, conference calling, and text messaging.

Type: software

Key Features Comparison

Asterisk Features

PBX functionality
VoIP
Interactive voice response
Voicemail
Conference calling
Call routing
Call queuing

Google Voice Features

Voicemail transcription
Call screening
Conference calling
Text messaging
Voicemail
Call forwarding
Call blocking
International calling
Toll-free numbers

Pros & Cons Analysis

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

Google Voice

Pros

Free service
Transcribes voicemails
Blocks spam calls
Low international calling rates
Multiple numbers on one account

Cons

Limited to U.S. and Canada
No emergency calling
Transcriptions can be inaccurate
Limited customization options

Pricing Comparison

Asterisk

Open Source

Google Voice

Not listed

Related Comparisons

TextNow

vs Asterisk vs Google Voice

Skype

vs Asterisk vs Google Voice

XiVO

vs Asterisk vs Google Voice

Yate - Yet Another Telephony Engine

vs Asterisk vs Google Voice

sipXcom

vs Asterisk vs Google Voice

Thirdlane Multi Tenant PBX

vs Asterisk vs Google Voice

Learn More About Each Product

Reviews, pricing & alternatives →

Google Voice

Reviews, pricing & alternatives →

Ready to Make Your Decision?

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

Asterisk Alternatives

Google Voice Alternatives

Browse More Software