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I've been at the UC Expo in London, where we have a show stand, with one of the major themes being our open source project, DiaStar. We're located close to the Digium Asterisk Pavillion, where there are several Asterisk-related talks going on, including on from the Director of Engineering for DiaStar, Ant Martin (it's at 1:50pm, if you're at UC Expo today).
We've had a steady stream of interested people from the open source community coming to the stand, but one of my industry friends (whose company use open source extensively) surprised me by saying "Martyn, you never told me that Dialogic had anything for open source". So, I've obviously slipped up and failed to communicate this message as much as I could; let me talk about DiaStar hear to make amends.
The idea behind DiaStar is to create a product that acts as a bridge between Asterisk and some of the powerful technology that Dialogic makes. You configure a Woomera driver (chan_woomera) in the Asterisk box, and this connects (e.g. via Ethernet) to the DiaStar media server, which contains our clever software, and also possibly one or more TDM boards, where the physical PSTN interface is needed. DiaStar adds value in several key areas, including;
On the Asterisk side, the system is programmed using the conventional Asterisk approach, i.e. AGI or call plan, so this makes a nice extensible Asterisk solution that brings some of the benefits Dialogic is famous for with its proprietary telecom APIs. Please do take a look if you're into Asterisk and / or open source.