Free Graphical Interface for Asterisk

Navigating Asterisk can be tricky. QuBe makes it easy.

All Modules Included At No Charge

You won't have to sacrifice quality for affordability.

Easy to Install, Use, and Manage

Take the guesswork out of maintaining your PBX.

Launch Ready

Get up and running within minutes of a download.


When using your QuBe PBX with QuestBlue Systems, you can easily be up and running in minutes. From your easy-to-navigate user portal, you can order all commmunication services in real-time: DIDs (telephone numbers), SIP Trunks, 911 services, and you can manage refill options to keep your account going. All of this can be done without ever having to call up and ask for a new phone number. In just a couple clicks and a few seconds you will have a working phone number pointing to your PBX.

Watch our introduction video to learn more!

Please review the information provided on how to easily navigate your user portal if you choose to use your PBX with QuestBlue Systems. Use of QuestBlue Systems wholesale SIP Trunking helps us fund all the free services offered in the QuBe PBX.
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Modules and Tutorials

QuestBlue Systems has developed a no-cost PBX with the help of our engineers - and more importantly, our customers. Years of customer requests for features that are either unavailable in many of the open source PBX systems that exist out there or requre expensive extensions in order to create that functionality prompted us to create our own PBX to bring all of the features a customer may want in their phone system, but for free.

QuBe PBX was developed to be an easy way to for customers to set up and deploy a robust, real-time system. Our tutorial page was designed to improve everyone's ability to learn and understand phone systems. It is continually under refinement, so check back often! On top of that, our programming team is ready and willing to assist you with any questions that you may not find an answer to on our tutorials page!

All modules listed on our tutorials page are free, and come included with your free QuBe PBX.


From users to updates, control the maintenance of your PBX.


Set up how your PBX connects to both the outside world, and within.


Expand the capabilities of your PBX.


Customize your PBX's security and SIP settings


Receive real-time updates on the status of your PBX.


Monitor calling activity and optimize your company's phone operation.

QuBe and SIP Trunking

SIP Trunking services for the QuBE PBX were designed with ease of use in mind. With years of supporting various different Asterisk GUIs, QuestBlue dedicated a team of highly qualified developers, designers, and engineers to create a highly functional PBX that meets the needs of what users and customers consistently request and wish for. On top of that, with QuestBlue's dedication to exemplary customer service, you can be assured that you will be well-taken care of with your new QuBe PBX.

QuBe was designed with Digium's award-winning Asterisk at its core. Asterisk is an open source framework for building communications applications, able to turn an ordinary computer into a powerful communications server. Asterisk powers IP PBX systems, VoIP gateways, conference servers and countless other custom communcations solutions, for small and large businesses, call centers, carriers, and government agencies worldwide. There are more than a million Asterisk-based communications systems in operation in more than 170 countries.

QuBe makes it possible to add a phone system to your business without having to be a systems integrator or a developer. QuestBlue is also committed to providing the best experience possible with it, so if there is functionality that you would like to see or feel is missing, please contact us and we will send your suggestion to the development team for review!

  • Register and Download

    Register for a dedicated QuBe PBX account with QuestBlue Systems to have access to our QuBe PBX! With this account you'll be able to download our PBX even if you do not use QuestBlue services for your needs.

    You are welcome at any time to upgrade your account to a client account and use QuestBlue Systems' exceptional service, low rates, and high quality features. Upgrading is easy and quick!

    Please note that downloads right now are by invitation only. You must register for an account to be considered for installation in advance of the public download being made available. If you have any questions, please contact us.

    Register Now!