Asterisk PBX: A Comprehensive View

Asterisk is an open source private branch exchange originally designed and developed by Mark Spencer from Digium way back in 1999. During the late nineties Mark saw enormous business opportunity providing professional support to Linux operation system. He observes an urgent need for a call distribution system which is capable to distribute calls equally among his group comprising Linux experts. Unfortunately, building of such infrastructure requires expense of millions of dollar to his organization.