Battling the GlobalCrossing CallerID blues

As a part of my job, I manage and maintain customer platform – usually operating in the Calling Cards and VoIP services market. Over the course of time, I’ve learned to rely on some providers in this world, knowing that they work 99.999% of the time. For example, i like working with DID numbers provided […]

Asterisk AGI Programming – New Book

Well, it’s finally out – my new book that is 🙂 Some of you already know, but over the past year I’ve been busy writing a new book. This time it’s a book for Asterisk developers, especially tailored to PHP developers wishing to utilizing the PHPAGI framework. The book is out from Packt Publishing (Like […]

Read my words – 3500 concurrent channels with Asterisk!

One of the biggest questions in the world of Asterisk is: “How many concurrent channels can be sustained with an Asterisk server?” – while many had tried answering the question, the definitive answer still alludes us. Even the title of this post says “3500 concurrent channels with Asterisk” doesn’t really say much about what really […]

Sangoma USBfxo: too little, too late…

Sangoma recently introduced a new FXO product, the USBfxo. The USBfxo is a dual FXO port device, connected to your Asterisk server via a USB connection. Now, while I do admire the way Sangoma keeps trying to kick it up a notch with new products, but isn’t Sangoma a little late to jump on the […]

Rock Solid Clouded Asterisk

This post is somewhat a combination of posts from previous posts, mainly, the posts about virtualization and my latest posts about the utilization of Amazon EC2. As some of you may know, a part of what I do at GreenfieldTech is develop various API’s for the Asterisk Open Source PBX systems. Two of these API’s […]

Virtualizing Asterisk – Digium Asterisk World, Feb 2008

Well, I just got back from the ITExpo show in Miami, Florida. I have to admit that I really enjoyed the venue, although I didn’t really have time to walk the floor. The main reason that I was unable to walk the floor was due to the fact that I gave a talk, as part […]

So long SigValue – Hello Asterisk + EC2!

As some of you may know, I’ll be attending the ITExpo in Miami Beach, Florida. The subject I’ll be lecturing about is “Virtualizing Asterisk”. However, I have to be honest, I really need to change the subject to be called “Asterisk in the Cloud“. Ever since the introduction of Amazon EC2, people had been trying […]

Asterisk 3rd Party API – and their importance

As some of may know, I spend most of my time working as an Asterisk Developer and Consultant in my own company – called Greenfield Technologies Ltd. – named GreenfieldTech for short. Since the day I started my company I knew a few facts and truths: GreenfieldTech starts as a one man operation – thus, spending […]