Setting Up Our Voice-Over-IP Phone System

Posted on January 28, 2014 by Simon Phipps

Interested in Raspberry Pi or VoIP? You’ll want to read about our new telephone system at work!

Meshed Insights Ltd

As I mentioned recently on Google+, I’ve recently installed a telephone system for Meshed Insights using a Raspberry Pi. Here’s a description of the system I’ve put together.

Raspberry PI PBX

The brains live in a model B Raspberry Pi. I installed the GNU/Linux distribution Raspbian using the easy NOOBS on an SD card, then installed RasPBX — FreePBX and Asterisk — using the Pi Store via the desktop as that was easiest. I enabled sshd so I can log in from the office (using a private key so it’s less hackable), set the unit to have a fixed IP on our internal network and then disconnected the keyboard, mouse and screen. The system now runs headless in our server room.

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Bitcoin Commodity Exchange

Posted on January 5, 2014 by Simon Phipps

Turns out you can buy and trade Bitcoin mining capacity as well as Bitcoin. As I’m gradually learning more about the Bitcoin world, I’m finding a rapidly maturing technology space. I just stumbled across a commodity exchange, for example. Akin to an exchange trading gold or oil, this one trades the capacity to mine Bitcoin — processing power measured in GHash/sec.

Called cex.io the exchange looks easy enough to understand. One advantage of trading processing power is all the time you earn it, you also earn the Bitcoin the associated processing power creates. I’ll be giving it a try with a small amount of Bitcoins to see what happens — as described it looks like a better “savings account” for Bitcoin than keeping them on a computer here.

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2013 in review

Posted on January 1, 2014 by Simon Phipps

WordPress.com stats helper monkeys prepared a 2013 annual report for this blog.

Here’s an excerpt:

The concert hall at the Sydney Opera House holds 2,700 people. This blog was viewed about 27,000 times in 2013. If it were a concert at Sydney Opera House, it would take about 10 sold-out performances for that many people to see it.

Click here to see the complete report.

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