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I challenge new and old users of Asterisk alike to revisit what Asterisk can do, to learn |
new features that have been added, and to build something new and exciting out of |
your normal skill set. If you hit a roadblock where Asterisk can’t do what you need, |
then participate in the project and contribute. Help others who may be trying to do |
the same thing. Become not just someone who uses Asterisk, but also someone who |
helps others realize their dream. |
Dan Jenkins (Founder, Nimble Ape Ltd) |
Asterisk was my first foray into the open source telephony world, and as a web devel‐ |
oper, I found it very different from what I was used to, coming from the web industry. |
The Asterisk project has moved on since then, and now the project incorporates |
many APIs and technologies that a typical web developer has come to expect. The |
inclusion of WebRTC and Asterisk’s REST interface is vital for integration from |
developers used to building for the web platform. Asterisk is what I eventually ended |
building a business around—it is truly a remarkable piece of software and has a bril‐ |
liant community of people who both use and improve it. It’s been my pleasure being a |
part of this community and proofreading this book for the future community. |
Joyce Wilmot (Senior Web Developer) |
I was introduced to Asterisk in 2012 when I was working for Voicenation, a company |
that provides live answering service 24/7/365 for thousands of customers. At the |
time, the call center was quickly outgrowing the third-party software they were using. |
Unable to find a flexible and cost-effective solution for their quickly expanding call |
center, Voicenation decided that they needed to create their own call center software. |
I was tasked with creating this software, which started my journey with Asterisk. |
What started as a monumental task (since I did not have prior IP telephony experi‐ |
ence) quickly became a fascination with Asterisk as I discovered how it simplified our |
setup without sacrificing power and flexibility. |
Fast-forward nine years and tens of millions of calls later, and Asterisk still faithfully |
and reliably runs our call center. This was my first exposure to open source software. |
Asterisk is obviously an open source success story that illustrates how open source |
software fuels entrepreneurism—and how entrepreneurism, in return, fuels develop‐ |
ment and enhancement of the open source software. I’m thrilled to be part of that |
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cycle, and look forward to being part of the community as Asterisk continually |
evolves to keep up with the ever-changing world of telecommunications. |
Matt Florell (Founder, VICIdial) |
My first exposure to open source telephony back in 2001 was actually not with Aster‐ |
isk. It was with a different software package, one that took me a couple of months to |
get working, using a simple IVR to log contact requests for my employer at the time. |
It was not an easy system to work with or modify, so I didn’t do much else with it |
beyond that first IVR project. Two years later, I had a request from a client to build a |
much more complex telephony system, one that would require user interactions |
through a computer. I knew the platform I had been using wasn’t going to work for a |
project like this, so I looked around at both commercial and open source options. |
That’s when I learned about Asterisk, which looked like it could be an ideal platform |
for this project. I bought a T1 card with which to do some testing, and within two |
hours of its arrival, I had configured it and I was able to replicate the old project that |
had taken me two months to build. After that, I was hooked. The VICIdial Open- |
Source Contact Center project grew out of that project; to date, over 100,000 Asterisk |
systems have been installed as a part of VICIdial clusters, and those are just the ones |
we know about. |
Asterisk was very different from the mostly web-based open source packages that I |
had worked with in the past, and it had quite a few quirks and bugs in the earlier days |
that you had to work around (sometimes in pretty creative ways). But our more |
recent experiences with the Asterisk 13 branch have shown significant improvements |
in both capacity and stability, compared to earlier branches. There have also been |
many new features added that have allowed us to add new functionality to our VICI‐ |
dial package. Two of those are the ability to pause call recordings and the addition of |
several layers of new SIP carrier logging. |
Back in 2003 when I started using Asterisk, there were no real “releases.” You had to |
find a stable build from one of the recent CVS revisions and test it out. As time went |
on, the development and maintenance of the different branches became much more |
stable, and the use of Asterisk in production systems all over the world skyrocketed. |
Today, Asterisk is the telephony core of thousands of different service offerings, with |
billions of phone calls a day being placed through them. It is being installed on wide |
varieties of hardware, from tiny embedded systems to server farms with hundreds of |
high-powered machines. There are now millions of people who use Asterisk every |
day who have no idea that they are interacting with a piece of open source software. |
Among our client base alone, we have several Fortune 500 companies, as well as |
school districts, social clubs, political organizations, municipal emergency services |
organizations, and of course, thousands of different types of commercial operations. |
While the low acquisition cost is a common reason given for going with an Asterisk- |
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based solution, we often hear that the fact that it is open source is a big plus, as well as |
there being no possibility of vendor lock-in. One of our larger clients even cited their |
use of open source telephony software as a “distinct strategic advantage” over their |
competitors because of the flexibility of the systems and their ability to self-manage |
them without having to rely on outside vendors. From what I’ve seen so far, the |
future of Asterisk is an ever-growing installed base and continued enhancements. I |
look forward to working with it for another 16 years, at least. |
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