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Choosing a VoIP Gateway for Your Company (Part 1)

December 19th, 2006 Dave Posted in Basics, Hardware, PBX Comments Off on Choosing a VoIP Gateway for Your Company (Part 1)

Gateways are essential aspects of any enterprise VoIP system. These transfer voice (and other traffic) between the Public Switched Telephone Network (PSTN) and the IP (Internet Protocol) network. This means VoIP gateways should be able to do much more than traditional PBXes that only interface your internal analog network with the PSTN. As such, you […]

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Back to the Basics – Config Files

November 13th, 2006 admin Posted in Basics, Dialplan Comments Off on Back to the Basics – Config Files

The configuration files in Asterisk are all text based. Nothing too complicated. If you installed the sample .conf files, then they will have a default setup and will have everything commented nicely so that you can learn your way through them. The config files have the extention of “.conf” and are located in “/etc/asterisk”. The […]

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Great comments on ‘Sniffin’ the VOIP Traffic’

October 1st, 2006 Dan Posted in Basics, SIP Comments Off on Great comments on ‘Sniffin’ the VOIP Traffic’

My last post has generated some great comments (as I hoped it would) from those who have a lot more experience using Wireshark to view the network traffic from a SIP call. We’re going over these in more detail on the * forums, but one smart commenter brought a paper to my attention that will […]

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Sniffin’ the VOIP traffic

September 16th, 2006 Dan Posted in Basics, SIP 5 Comments »

This time we will install a network protocol analyzer to watch the traffic on our LAN from initiating and connecting a SIP call. The Wireshark open source project was formerly known as Ethereal. I used to work for a great company called Cybera as a programmer, and I was always fascinated by networking. I’d bug […]

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Chowing on some Nerd Vittles.

September 11th, 2006 Dan Posted in Basics Comments Off on Chowing on some Nerd Vittles.

To get started on some askerisk hackin’, let’s head on over to nerdvittles for a very nice treat from a fellow Charlestonian asterisk guru (much more than I). What they are offering is a .torrent of a VMWare image containing a fully configured Trixbox instance with lots of goodies. Please do download the VMWare server […]

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Using Asterisk In Your Home – The Uses

March 15th, 2006 admin Posted in Basics 2 Comments »

So now we have Asterisk set up for home use. What can we do with it now? If you happen to have mischevous teenage kids, you can log all your calls! Maybe you want to have a seperate line for those teens. The great thing about Asterisk is flexibility. You can do almost anything you […]

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Using Asterisk In Your Home – The Setup

February 27th, 2006 admin Posted in Asterisk, Basics, Dialplan 2 Comments »

When setting up Asterisk for home use, you’ve got a million and a half ways to do it. If you want to take the easy way, Asterisk@Home is the way to go, thus the name. It provides a GUI that you can use, instead of having to write all your own code. However, if it […]

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What distro of Linux should I run?

January 12th, 2006 admin Posted in Basics 2 Comments »

There are hundreds of distro’s of linux that you could run Asterisk on. There is even a Windows port out now. However I would hesitate running in on Windows as it’s still beyond buggy. You could choose to run it on Knoppix (my personal favorite), or Slackware, maybe straight up Debian. Why not go for […]

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What do I need to run Asterisk?

January 12th, 2006 admin Posted in Basics 1 Comment »

A computer. A clunker. A piece o’ trash! Nothing exciting really. If you’ve got an old dusty computer sitting in your closet, pull it out and throw knoppix on that bad boy! Currently I am running the Asterisk PBX on a 1.3 Ghz, 20 gig computer with a 4x cd drive… I have a nice […]

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IAX and SIP

January 2nd, 2006 admin Posted in Basics 1 Comment »

Here are two protocols that I have played with using Asterisk. They are the most common in my opinion as well, IAX and SIP. Of course you’ve also got H.323 but I’ve never played with that one. So first of all, I bet you are asking yourself, what the hell am I talking about protocols […]

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