Unified communications presents unique security challenges because it brings together disparate technologies. Using VoIP, video, chat and presence together has proven to provide productivity gains for businesses, but also presents security risks. In particular, securing VoIP networks is not the same as securing data networks. Most data traffic is transported over TCP and as such, [...]
Posts Tagged ‘Asterisk’
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Atlanta Asterisk Users Group
April 28th, 2008 
Jim_Dalton Last Saturday, April 26th, I had the pleasure of speaking to the Atlanta Asterisk Users Group (AAUG) at their annual Asterisk Installation Fest and Conference. The conference was held at the Georgia Tech Klaus Advanced Computing Building which is becoming a landmark for innovative computing activity in Atlanta. I was impressed with the vitality of [...]
Spring VON Presentations
April 25th, 2008 Jim_Dalton I have received several requests for copies of the presentations I made at Spring VON in San Jose. Here they are: Secure Peering with Asterisk OpenSER Summit – Commercial Business Models Importance of Open Source Software VoIP OSS and Billing
Asterisk Performance Testing
September 18th, 2007 Jim_Dalton Over the last couple of months we have been stress testing Asterisk V1.4 to understand its performance. We started using V1.4.4 and advanced to V1.4.11 as new releases were made available. We have been stress testing Asterisk configured as a SIP Back to Back User Agent (B2BUA) installed on a server with two, dual core, [...]
Asterisk Developers Conference
May 30th, 2007 Jim_Dalton Last week the Asterisk Developers Conference, or AstriDevCon 2007, was held at the Georgia Institute of Technology Information Security Center in Atlanta, Georgia. Since a couple of TransNexus developers were attending, I visited the conference as a non-technical observer to see what was going on. I have to say that I was impressed with what [...]
Secure VoIP Peering
April 5th, 2007 Jim_Dalton At the Spring VON show in San Jose, CA I had the opportunity to give a presentation on Secure VoIP Peering. The presentation is an overview tutorial on how standard Public Key Infrastructure (PKI) services and the OSP protocol are being used today to enable secure peer to peer VoIP calls. For those who do [...]
