Tag Archives: setup

Using DISA with FreePBX and A2Billing

DISA is great!

It allows you to call in to your Asterisk server, get a dial tone, and then dial back out as if you were using a normal extension on your system. I use this lots to make cheap international calls from my mobile phone.

You may also wish to route your DISA calls via A2Billing. If you’ve integrated FreePBX and A2Billing as described here it’s a simple case of changing one setting on your DISA setup in FreePBX.

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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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Getting started with FreePBX – Part 5 Setting up an IVR

Setting up an IVR (or auto attendant, digital receptionist) is great idea for small businesses. You can have a single external number for your customers to call but then direct the call to the right department via a simple menu.

First we need some extensions to put the calls through to, then we need to record the menu the caller will hear and finally setup the actual IVR.

Configuring the extensions

Follow the instructions in part 2 to create the extensions that you need. I have created extensions for Sales, Support and Billing

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Getting started with FreePBX – Part 3 Making external calls

This article assumes you have completed part 1 and part 2

So we have configured our trunk and our extension and now we need to tell FreePBX to use that trunk when someone dials a number. This is done by creating an Outbound Route.

The configuration below also takes in to consideration the fact that I am in the UK and that callcentric is a US company. Your setup may differ.

Creating an outbound route

First we need to click on “Outbound Routes” in the main menu on the left hand side of the screen

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Trixbox, Elastix and Asterisk videos

There are some great videos around to give you an idea about what you can do with Asterisk and FreePBX.

Here are a selection –

Kerry Garrison, the senior product manager of Trixbox gives a quick tour of the installation and setup of Trixbox 2.2. The first half of this video concentrates on installing Trixbox but if you have a Trixbox VPS the hard work is done for you. Trixbox is now on version 2.4

Trixbox features. A nice run through of some of the features in FreePBX/Trixbox.

A good (and pretty long!) explanation of what you can do with Asterisk. This doesn’t include any information about FreePBX, the web based GUI.