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Actually this is not a vulnerability in the product itself, but if you use Asterisk or one of its derivatives such as TrixBox, you should review your SIP and IAX secrets to make sure they are not the same as your extension numbers. As reported by Kerry...
This publication is available on the Ofcom web site and is in the form of an Interactive Executive Summary where you can leave comments. There are actually very few comments on the document at present, I have started adding mine today. We (IT Professionals...
I spent a fair chunk of today with Peter Gradwell and some of his colleagues from Gradwell.com. They were celebrating the company’s 10th anniversary and were kind enough to invite some of their customers to lunch in Cardiff Bay. We chose Gradwell.com...
In November 2007 TiGra Networks embarked on a project to evaluate various digital telephony solutions, with a view to implementing our own infrastructure and, in the process, gain the necessary knowledge and experience to offer digital telephony solutions...
New broadband installation is complete but was not without some pain. That's not really surprising as domestic providers aren't really geared up for supplying businesses. The line was swapped over by about 10am and I promptly got a text message...
In part 1 , part 2 and part 3 of this series, we built an ASP.NET 3.5 web application to accept a telephone number as a query string within the URL, look up that number in a Dynamics CRM database and return the matching contact name and company as the...
In part 1 we set the scene and created our web application project. In part 2 we began creating the HTTP Generic Handler, retrieved the CLID string from the URL's query string and knocked it into the correct canonical format ready for looking in the...
In part 1 , we set the scene and created a new project in Visual Studio and set up a few things in preparation. Now for the good bit, let's write some code! Diagnostics Throughout the code, you're going to see diagnostic trace routines. This diagnostic...
Following on from my last post where I discussed using LINQ to dip into a Microsoft Dynamics CRM database, here is a real-world application using similar techniques. This sample is an integration between TrixBox, an open-source IP Telephony system and...
I've been learning about LINQ (a new feature of visual C# 3.0) and decided to play around with a little application. I have a VOIP PBX based on TrixBox/Asterisk. I thought it would be neat to write an application to examine the call logs, which are...