Tag Archives: callback

Integrating FreePBX with A2Billing

Please note that if using Asterisk 1.6 or later the pipe (|) symbols below need changing to commas (,)

There are several reasons you may want to integrate FreePBX and A2Billing. Whether you’re just using FreePBX to setup trunks for your a2billing calling card system or you use FreePBX and want to route the outbound calls via a2billing to do least cost routing.

There are 2 things you need to do to integrate the two. The first is to add the following to extensions_custom.conf

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Getting started with FreePBX – Part 6 Cheap phone calls using DISA and Callback

One of the great things about voip is that you can make international calls at local rates.  Combine that with Asterisk/FreePBX and you’ve got the ability to make cheap international phone calls using your mobile phone.

To do this we’re going to setup DISA (Direct Inward System Access). This will enable us to ring our Asterisk server, get a dial tone and then dial back out again.

Then I will show you how you can combine this with callbacks if that works out cheaper for you.

Installing the modules

First we need to install the DISA (if it’s not installed already) and Callback modules. See part 5 for more information about installing FreePBX modules.

Setting up DISA

Now we are going to configure a DISA…

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