computer science

Trixbox

Trixbox is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Trixbox rather than just read about it. In short: trixbox (formerly Asterisk@Home) was a software PBX based on Asterisk. trixbox was initially released under the name Asterisk@Home. In October 2006 it was renamed to trixbox after Digium requested that its developers cease the use of the word "Asterisk"; the renaming was further justified by the fact that the product at that time consisted of much more than just Asterisk.

Key takeaways

Trixbox belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Trixbox to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Trixbox from memory before moving on to harder problems.

Reference excerpt

trixbox (formerly Asterisk@Home) was a software PBX based on Asterisk. trixbox was initially released under the name Asterisk@Home. In October 2006 it was renamed to trixbox after Digium requested that its developers cease the use of the word "Asterisk"; the renaming was further justified by the fact that the product at that time consisted of much more than just Asterisk.

Versions

trixbox CE (end of life) trixbox CE, the community edition founded by Kerry Garrison and Andrew Gillis, was completely free and was available under a GPLv2 license. It has been downloaded more than any other Asterisk-based PBX system according to SourceForge, with over two million downloads as of August 22, 2009. trixbox CE was last updated with a beta release, and shortly after a blog post was made by Andrew Gillis, founder & leader of development stating he was leaving. In October 2012, Fonality announced that they would no longer support or update trixbox CE, and would instead focus on trixbox Pro. The FreePBX Project announced the availability of scripts to convert existing end of life trixbox CE systems to a current version of FreePBX, an open source PBX platform with ongoing support and development.

trixbox Pro trixbox Pro is the commercial version trixbox. Unlike the community edition it contains components for which the source code is not available. These extra components are geared towards making the software better able to fulfill the needs of larger companies and call centers.

trixbox Appliance trixbox Appliance is a server appliance available from Fonality which comes preloaded with either trixbox CE or trixbox Pro.

Core technologies trixbox CE's core technologies include:

CentOS - The Linux distribution on which trixbox is built. Asterisk - Provides the core PBX functionality. FreePBX - Provides a web interface for managing and configuring Asterisk through a web browser. Flash Operator Panel (FOP) - Provides a graphical overview of current calls and provides controls to operators. This is created with Adobe Flash and is accessed via a web browser.

Similar software distributions FreePBX Distro - Officially maintained Distro of the FreePBX Project AsteriskNOW - Uses FreePBX GUI Maintained by Digium Elastix - Maintained by PaloSanto Solutions based in Ecuador. Uses Forked version of FreePBX GUI PBX in a Flash - Uses FreePBX maintained by PBX in a Flash Development Team

References

External links Official website

Illustrations

Worked examples

Example 1 — a first encounter with Trixbox

Start with the simplest possible case. Write down what Trixbox claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Trixbox before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Trixbox ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Trixbox

In research: Trixbox appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Trixbox in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Trixbox is common in secondary-school and first-year university syllabi. It links to neighbouring topics Asterisk (PBX), Communication software, Free VoIP software, so understanding it makes those chapters shorter.
In everyday life: Look for Trixbox outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Trixbox in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Trixbox means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Trixbox out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Trixbox in simple terms?

Why does Trixbox matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Trixbox?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Trixbox.