Here’s a challenging question for the Asterisk technical savvy of you… What is the top performance you can squeeze out of an Asterisk box, running on Amazon EC2 – or to that extent, a cloud infrastructure? If you scout the Internet, you may find various answers – however, most of them aren’t backed up by [...]

It’s that time of year again, to update on the latest trends in the Asterisk community and the Asterisk market. In comparison to previous year conventions, this years motto was, at least according to our view: “Asterisk is now a main stream option”. We all knew that Asterisk was getting more and more recognition by [...]

First of all, before I go on and add additional information on the previous post – I’d like to do one thing – sound the ALL CLEAR alarm signal. It would appear that while the Humbug engine had identified an anomaly, it had identified something that was out there for some time now, was catered [...]

Everybody these days are big into cloud computing – be it due to cost constraints, hype requirements or simply because you don’t have anything else to do – cloud computing is here to stay and will be with us for the next 10 years at the least. About 2 years ago, GreenfieldTech was involved in [...]

As you know, fraud analysis and Telephony Security forensics are a big thing here at GreenfieldTech. As our CEO, Mr. Simionovich, is also the chief architect of the Humbug Analytics project, GreenfieldTech enjoys access to information usually not available to other consulting companies and carriers around the world. The following post had been posted by [...]

Has it been a year already? it seems like Asticon 2010 (Washington DC) was just a few weeks ago and here we are at the entrance to Astricon 2011. I have to admit that last year’s Astricon was somewhat hectic for me, specifically due to the fact that I arrived at my hotel about 90 [...]

Many people are asking us how to secure their Asterisk PBX system. It is fairly obvious to say that closing down your VoIP UDP ports to the world is a good place to start. SIP utilizes port 5060, while IAX2 utilizes port 4569. In most companies, locking down access to these ports from the world [...]