Asterisk Open Source Communications Solutions ASTERISK - Digium's open source communications engine powers voice and video communication solutions worldwide. Discover the power of Asterisk; let us help you choose www.datavoiz.com. FREEDOM - Asterisk is freely available under the terms of the GNU GPLv2 license. FLEXIBILITY - Asterisk seamlessly connects with VoIP and legacy communication systems. POWER - Asterisk helps developers quickly and easily create powerful Unified Communications solutions. FOCUS - Asterisk handles the low-level details of real-time communications, allowing developers to concentrate on business logic. Asterisk-based telephony solutions offer a rich and flexible feature set. Asterisk offers both classical PBX functionality and advanced features, and inter-operates with traditional standards-based telephony systems and Voice over IP systems. Asterisk offers the advanced features that are often associated with large, high end (and high cost) proprietary PBXs. Tons of Call features, Scalability, No Licensing and many more.... High Profile Companies like Google, Yahoo, US Army, University of Pennsylvania and many more like them are on Asterisk Platform.