FreePBX

The "Free" Stands for Freedom

FreePBX is a web-based open source GUI (graphical user interface) that controls and manages Asterisk (PBX), an open source communication server. FreePBX is licensed under the GNU General Public License (GPL), an open source license. FreePBX can be installed manually or as part of the pre-configured FreePBX Distro that includes the system OS, Asterisk, FreePBX GUI and assorted dependencies.

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Before continuing with this guide, please review our Asterisk Design Guide for considerations that affect all Asterisk-based deployments.

We have included a short configuration guide below to use your T38fax.com account with FreePBX. This guide assumes that you have a working FreePBX installation, and that you have command line access to that system. This guide also assumes that you're using an Analog Telephony Adapter (ATA) to connect your fax machine to FreePBX. We used a Cisco SPA112 in this example, though any of our Certified ATA's should work much the same way. There are several ways to configure FreePBX to use your T38fax.com account, this guide will focus on what we've found is the simplest method to do so. We are always open to improving this documentation, if you've found an easier way, please feel free to open a ticket through our T38fax.com support portal and let us know!

Requirements: FreePBX 12.0.74+ with Asterisk 13.4+

There are currently four guides for FreePBX, depending on your desired configuration:

pjsip

chan_sip

In choosing which of these guides to follow, we recommend use of PJSIP over chan_sip on new installations, both because it is the SIP driver that currently receives core support and because it uses a nonstandard SIP port, UDP port 5160, as its default. The advantage of using a nonstandard SIP port is further explained here. IP auth support is also much more flexible in PJSIP.


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Enter your SIP Username here. (This should be a DID assigned to your account that is available for registration. IE: 18043027000)
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Enter the SIP Password for the SIP Username you entered above.
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Create & Enter a new, secure password for your ATA.
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Enter your first DID here. Ensure that the "Dial/DIDX1" string points to the correct context.
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Enter your second DID here. Ensure that the "Dial/DIDX2" string points to the correct context.
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