Occasionally, it is necessary to install a particular DAHDI version into an environment where no suitable binary packages currently reside. For example, you may need to install Xorcom’s Dahdi 2.2.1 that is compiled for the Linux kernel 2.6.18_164, onto an Elastix 1.5 machine running Linux kernel 2.6.18_92. Another example might be that you need to [...]

Our CTO, Leonid Fainshtein, recently presented an extremely informative Webinar about simple things you can do to protect your Asterisk PBX against unauthorized access. You won’t want to miss these important tips, which were compiled on the basis of real-life support requests and Leonid’s vast experience with VoIP systems. The Webinar, entitled “Asterisk Security Threats [...]

Recently an attack on an Asterisk-based telephony system, which resulted in $11,000 worth of stolen minutes, was reported. The number of similar attacks is steadily increasing. DON’T LET THIS HAPPEN TO YOU AND YOUR CUSTOMERS! Over 99% of the attacks reported until now may be prevented by following a few simple practices. These practices are [...]

This ½ hour Webinar covers TwinStar, the only commercially-supported hot failover solution for a complete Asterisk PBX, including the telephony interfaces. It includes a look at the various methods currently employed to provide redundancy, and compares them with Xorcom’s completely automated and surprisingly quick failover method. Detailed explanations are provided for ‘how it works’. The [...]