For a long time, the telephony infrastructure in a public administration was a very expensive and functionality-limited solution. That changed with the arrival and the continue improvement/extension of the open source solution Asterisk : it's functionalities are unmatched with proprietary voip-solutions at a much lower cost !!
Asterisk turns a simple computer into a powerfull PBX-, Gateway-, Voicemail-, Conferencing-, Interactive Voice Response- or Call Center - server !!
And the nicest thing is that it is open source ... so you can integratie Asterisk smoothly with other enterprise applications (crm, erp, websites, ...) or well-known communication systems (skype, google-talk, chatsoftware, podcastingsoftware, ...).

The limits of Asterisk are the limits of your imagination. This session will outline a number of the most common solutions built on Asterisk. It will show you the power of Asterisk and a lot of very practical solutions it can provide in public administrations.