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D.I.Y. Asterisk Appliances: A Question Of Scale

Selecting hardware appropriate for a particular Asterisk installation has been a topic of discussion ever since the emergence of Asterisk. This typically centers around choosing hardware to handle n users or x concurrent calls. Often the focus is on how to scale up to the greatest number of users for a given server. However, there can be different but related considerations as we consider ever smaller applications.

In various circles I’ve lately witnessed a minor spike in interest in small form factor Asterisk systems. I have found it curious to survey the various hardware platforms that people are considering when creating their own DIY Asterisk Appliances. To establish some perspective on this I recently posted my own history of using Asterisk my own little Asterisk retrospective.

There are quite a range of small computing platforms available to the enthusiast seeking to tinker with Asterisk. It seemed to me that an overview of such hardware and related resources would be helpful.


For my purposes I’ll only consider generic platforms suitable for a DIY project , not the commercially offered embedded Asterisk devices, of which there are many. These small host platforms tend to be in the $50-$300 range which makes them approachable for hobbyists, home users and some small businesses.

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A History Of Asterisk In My Home Office

I’ve recently been reflecting upon my history as an Asterisk user and the evolution of my preference for embedded systems (aka appliance) approach to Asterisk servers.

The path that I’ve followed is probably typical of a lot of people in many ways. Perhaps by sharing my experience I can help some people avoid some of the problems that I have faced, and understand how I arrived at my personal definition of an “Asterisk Appliance.”

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A SqueezeCenter Server For Under $100?

Some time ago I published a project about How To: DIY Music Server Using FreeNAS, SlimNAS and an H-P T5700. This remains one of the more popular items around here, generating over 6,000 page views in the past 12 months alone.

A couple of new posts to a related thread over in the forum at Small Net Builder points me to a new take on the project. Kevin Hanson has reworked it to address…How to: Building a Squeezebox Server for under $100… Yes, it can be done…

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Choosing A Router/Firewall For A Small Office

net4801_2_lOne project that I’m am about to start is moving from my m0n0wall router to a new one build around pfsense. The motivation for the project is the integration of our Comcast Business Class internet service into the rest of the household. At present there are two separate networks, with only a few devices enjoying the high speed cable service. The pfsense system will be configured for dual WAN, accessing both the cable service and Covad DSL circuit.

My existing m0n0wall runs on an old Soekris Net4801. In service for many years, it has been extremely reliable. If m0n0wall does what you need I have no hesitation in recommending the software. Support from the user community is tremendous as well.

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