--- title: Asterisk Reviews meta_title: 'Asterisk Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 59 reviews by the users' company size, role or industry to find out how Asterisk works for a business like yours. aggregate_rating: rating_value: 4.6 review_count: 59 scale: '5' date_modified: '2026-07-17' parent_category: name: Collaboration & Productivity url: https://www.g2.com/categories/collaboration-productivity --- # Asterisk Reviews **Vendor:** Sangoma **Category:** [VoIP Providers](https://www.g2.com/categories/voip-providers) **Average Rating:** 4.6/5.0 **Total Reviews:** 59 ## About 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. ## Asterisk Pros & Cons **What users like:** - Users commend the **exceptional customization** of Asterisk, enhancing telephony infrastructure and operational efficiency through AGI scripts. (1 reviews) - Users praise the **easy integration** of Asterisk, making it a fundamental choice for every PBX setup. (1 reviews) - Users value the **easy integrations** of Asterisk, finding it a solid foundation for their PBX needs. (1 reviews) - Users value the **easy integration** of Asterisk, making it a solid foundation for every PBX system. (1 reviews) - Users value the **time efficiency** of Asterisk, automating processes and optimizing call routing for better productivity. (1 reviews) - Users value the **extensive customization** of Asterisk, enhancing operational efficiency and optimizing call management. (1 reviews) **What users dislike:** - Users find Asterisk's **complex processes** daunting, requiring significant technical knowledge for effective administration and setup. (2 reviews) - Users find the **customer service lacking** , with limited support and complexity requiring technical knowledge for effective use. (1 reviews) - Users find the **difficult interface** of Asterisk requires technical knowledge and can complicate administration efforts. (1 reviews) - Users find **difficult settings management** challenging, requiring significant technical knowledge and facing limited support options. (1 reviews) - Users find the **login issues** with Asterisk dialer inconvenient, as it requires multiple logins beyond the CRM. (1 reviews) - Users report **poor customer support** , complicating administration and necessitating advanced technical knowledge for Asterisk. (1 reviews) - Technical Assistance (1 reviews) ## Asterisk Reviews ### 1. Highly functional and super customizable **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Telecommunications | Small-Business (50 or fewer emp.) **Reviewed Date:** April 20, 2018 **What do you like best about Asterisk?** Easy access for end user functionality and performance. **What do you dislike about Asterisk?** Requires high level knowledge to program. **What problems is Asterisk solving and how is that benefiting you?** Better communication management and more use and system control over functions. ### 2. Flexible Open Source PBX **Rating:** 5.0/5.0 stars **Reviewed by:** Matt F. | President, Small-Business (50 or fewer emp.) **Reviewed Date:** June 11, 2017 **What do you like best about Asterisk?** Asterisk is extremely flexible as a PBX development platform, and can be very stable if deployed properly. **What do you dislike about Asterisk?** Major changes in how core functions work in recent versions, forcing us to make major changes in our own software to maintain compatibility with newer versions of Asterisk. **Recommendations to others considering Asterisk:** Give Asterisk a try, it is free to test it out. **What problems is Asterisk solving and how is that benefiting you?** We used Asterisk to develop our contact center solution. It has been a very flexible and reliable option for PBX and telco functions. ### 3. Open Sorce and very robust **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Telecommunications | Small-Business (50 or fewer emp.) **Reviewed Date:** November 20, 2017 **What do you like best about Asterisk?** It provides most of the features that are offered by other services **What do you dislike about Asterisk?** I do not like the fact that asterisk doesn't have a a better way of using queues and statistics. **What problems is Asterisk solving and how is that benefiting you?** drives cost down for customers ### 4. Very good Open Source PBX **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Mid-Market (51-1000 emp.) **Reviewed Date:** July 27, 2016 **What do you like best about Asterisk?** Asterisk is a great project, full featured and enterprise ready. We use it for all of our conference calling, interoffice communication, and making and receiving outside calls. It's rock solid, Debian based, and ready for deployment. We have put them in lots of places, and never have any issues. You can buy support for cheap and the help they give you is top notch. It's easily customizable, and works with EVERY device on the market. It's also been around forever and has a solid future. **What do you dislike about Asterisk?** The interface isn't the best, the web stuff is kind of dated. The upgrade/update scheme can be a bit funky if you're not paying attention to newer releases. A lot of work to get setup, but once you get everything working good it's an amazing solution. A lot of testing needs to be done to see if it can meet your organization's needs. **What problems is Asterisk solving and how is that benefiting you?** We use it to take phone calls, make calls, and host large conference calls in our office. The benefits are great, because it is a real good open source project that you can trust with your infrastructure. ### 5. Very Performance platform for VoIP **Rating:** 4.5/5.0 stars **Reviewed by:** Fredy P. | Meter Technician, Facilities Services, Small-Business (50 or fewer emp.) **Reviewed Date:** October 20, 2016 **What do you like best about Asterisk?** Very performance software and the best is free, with application in small and big companies **What do you dislike about Asterisk?** the support was difficult. I had to use a old version of PC to install Asterisk. **Recommendations to others considering Asterisk:** Do a lot research about Asterisk and choice the appropriate platform of Asterisk. **What problems is Asterisk solving and how is that benefiting you?** I was implemented a PBX and connecting this at PSTN through a E1, The idea was analyzed the quality of Service provide for the PBX and the compare with the Analog Service ### 6. The Best opensource PBX **Rating:** 5.0/5.0 stars **Reviewed by:** Luigi V. | Security Architect, Information Technology and Services, Mid-Market (51-1000 emp.) **Reviewed Date:** June 24, 2016 **What do you like best about Asterisk?** The asterisk software is the best opensource pbx system in the world. It's integrate into a lot of different distribution dedicated to act as PBX box. I.e. you can find asterinx into freepbx etx. You can support all the standard SIP phone: software or hardware based. **What do you dislike about Asterisk?** By default it's not really complete: for example the video conf is not very complete and also some codec are missing **Recommendations to others considering Asterisk:** The very competitive price needed to start asterisk project is the justofy for adopt it **What problems is Asterisk solving and how is that benefiting you?** With asterisk you can create a PBX box system supporting hundred of phones and telephone line ### 7. A very scalable product **Rating:** 5.0/5.0 stars **Reviewed by:** Stephen R. | Systems Security & Compliance Administrator, Oil & Energy, Small-Business (50 or fewer emp.) **Reviewed Date:** July 20, 2016 **What do you like best about Asterisk?** I like the different things you can do with this product. Telephony configuration is one of the best features. **What do you dislike about Asterisk?** I don't have any issues with this product. **What problems is Asterisk solving and how is that benefiting you?** Solving a PBX solution for telephony services. ### 8. If you are looking here, you better know what you're doing. **Rating:** 3.0/5.0 stars **Reviewed by:** Verified User in Marketing and Advertising | Small-Business (50 or fewer emp.) **Reviewed Date:** April 01, 2016 **What do you like best about Asterisk?** Best of all was the price (free). I used Asterisk with my VOIP system. It worked well and had no major issues. **What do you dislike about Asterisk?** Setup was rather difficult. I had to rely on extensive guides and troubleshooting and experimental steps. **Recommendations to others considering Asterisk:** If you are reading this I hope you know what you are doing. Asterisk in the right hands can prove to be a powerful tool and at minimal cost. **What problems is Asterisk solving and how is that benefiting you?** This solved the problem of finding a low-cost solution of connecting our VOIP phone system. Asterisk proved to be a worth y contender. ### 9. Asterisk and FreePBX **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Mid-Market (51-1000 emp.) **Reviewed Date:** October 26, 2015 **What do you like best about Asterisk?** Ease of use when using the FreePBX management interface. Has the majority of features you would want from a VoIP PBX. **What do you dislike about Asterisk?** Endpoint management can be confusing. There is an endpoint manager you can add-on via a commercial license but its pretty generic in how it configures devices. Its good for devices that all share a common configuration. **Recommendations to others considering Asterisk:** Very worthwhile looking into this product. There are many distributions out there that use Asterisk as the back end. I have found that FreePBX does an excellent job in offering a management front-end with exceptional commercial grade add-ons. **What problems is Asterisk solving and how is that benefiting you?** Corporate VoIP solution that can span multiple sites very cost effectively. Very scalable. ## Asterisk Discussions - [improve the recognition of multi-frequency tones](https://www.g2.com/discussions/12583-improve-the-recognition-of-multi-frequency-tones) - 2 upvotes - ["How to improve a setup?" " How do you config?"](https://www.g2.com/discussions/how-to-improve-a-setup-how-do-you-config) - 1 upvote - [any good article to know about bridge technology in asterisk 13 ?](https://www.g2.com/discussions/26694-any-good-article-to-know-about-bridge-technology-in-asterisk-13) - 1 upvote - [How can we implement Asterisk ARI ? Please share the details .](https://www.g2.com/discussions/26664-how-can-we-implement-asterisk-ari-please-share-the-details) - 1 upvote - [What is future direction for Asterisk?](https://www.g2.com/discussions/26359-what-is-future-direction-for-asterisk) - 1 upvote - [View Asterisk pricing details and edition comparison](https://www.g2.com/products/asterisk/reviews?page=2§ion=pricing&secure%5Bexpires_at%5D=2026-07-17+08%3A27%3A54+-0500&secure%5Bsession_id%5D=a66d4b35-fb27-429e-8631-3e1d8e8f6274&secure%5Btoken%5D=ffafe4fab639f4f7ed52cbf71ef6c6f83621d5e44669746284896c3bbb64e55d&format=llm_user) ## Asterisk Features **Platform Basics - VoIP Providers** - PBX systems, VoIP Softphone - Call Management - Network monitoring - Integrations - Virtual PBX - SIP trunking services **Agentic AI - UCaaS Platforms** - Autonomous Task Execution - Cross-system Integration - Adaptive Learning - Natural Language Interaction **Basic Communication** - Phone Calls - Video Calls - Instant Messaging - Screen Sharing - Conference Calls - Desk-to-Desk Calls **Extensions** - Tenancy Flexibility - Native VoIP - CCaaS Option **Agentic AI - VoIP Providers** - Autonomous Task Execution - Cross-system Integration - Adaptive Learning - Proactive Assistance **Access** - Software Pairing - Browser Extension - Individual Download **Advanced Features** - Hold Music - Automated Attendants - VOiP Number **Features** - Voicemail to Email - Voicemail to SMS - File Sharing - Voice Conferencing - Video Conferencing - Conference Transcripts ## Top Asterisk Alternatives - [3CX](https://www.g2.com/products/3cx/reviews) - 4.4/5.0 (431 reviews) - [Cisco Unified Communications Manager (CallManager)](https://www.g2.com/products/cisco-unified-communications-manager-callmanager/reviews) - 4.4/5.0 (104 reviews) - [RingEX](https://www.g2.com/products/ringex/reviews) - 4.2/5.0 (1,373 reviews)