Asterisk: The Definitive Guide, 4th Edition - PDF
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This is a book for anyone who uses Asterisk.
Asterisk is an open source, converged telephony platform, which is designed primarily to run on Linux. Asterisk combines more than 100 years of telephony knowledge into a robust suite of tightly integrated telecommunications applications. The power of Asterisk lies in its customizable nature, complemented by unmatched standards compliance. No other private branch exchange (PBX) can be deployed in so many creative ways.
Applications such as voicemail, hosted conferencing, call queuing and agents, music on hold, and call parking are all standard features built right into the software. Moreover, Asterisk can integrate with other business technologies in ways that closed, proprietary PBXs can scarcely dream of.
Asterisk can appear quite daunting and complex to a new user, which is why documentation is so important to its growth. Documentation lowers the barrier to entry and helps people contemplate the possibilities.
Produced with the generous support of O’Reilly Media, Asterisk: The Definitive Guide is the fourth edition of what was formerly called Asterisk: The Future of Telephony. We decided to change the name because Asterisk has been so wildly successful that it is no longer an up-and-coming technology. Asterisk has arrived.
This book was written for, and by, members of the Asterisk community.