Jacken’s Blog

Asterisk: The Future of Telephony online from O’Reilly Media. They have released it under the Creative Commons license. This means that you can download the book here for free. But it also means that you should buy the book here. Now you have the downloaded pdf version for quick searching, and the nice feel of [...]

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After setting up my Asterisk@Home server and done all the configuring to get all lines and extensions up and running, it was time for recording the Digital Receptionist messages. My first stab at it wasn’t that great, let’s face it, I’m no voice-over announcer. I wanted a little more professionally sounding recording. So I started [...]

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I got my first real Voip phone, the Grandstream GXP-2000 a week ago.

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Update:The code below does not work in Asterisk 2.0b4 or newer. I will update with instructions on how to get it to work in those versions. Thanks to Dan for pointing this out.

Update:I have changed the code for the remove part. It now requires a key press to accept the number to delete.

I have [...]

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I found this article that tells you how to get an account that gives you free calls to the US with your Asterisk server. And it works great! I called my old friend Martin and talked to him without any problems. And I realized that this is the first time I called him since he [...]

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There’s a system called ENUM that enables VoIP servers like Asterisk to check the number your dialing to see if there is a possibility to connect directly to your server instead of going over PSTN land lines. So I registered at E164.org and added my phone number. I tried to figure out how to add [...]

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Today I finally got to see a tele-marketer getting caught in my Asterisk server. I’ve made a blacklist system, so I can blacklist callers. As soon as they call, they get transfered to a voice saying “There is no one to take your call, they’ve all been carried away by monkeys” and then a lot [...]

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I have finally finished my first AGI program for my Asterisk server. So time for my next program. I have installed Nagios network monitoring program on one of my machines. I want Nagios to call my mobile phone when one of my servers go down and using Festival, giving me a voice message of what [...]

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I’ve had performance problems with my firewall so I thought it was time to upgrade to a better firewall. After looking around I found a lot of articles about the Linksys WRT54G, a wireless router that’s easily patched with new firmware. Because it uses the linux operating system, Linksys have to publish source code under [...]

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As usual when I find something new, it goes a bit overboard. I always wanted to delve into learning the Perl programming language. So I took this opportunity to use it to write a small plug-in for my Asterisk server. As soon as somebody calls, my script goes to a Swedish directory service and [...]

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