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"...it is obvious that all O'Reilly School of Technology teachers are pros. Besides that, the courses are done perfectly. They emphasize the important concepts and contain 'no fluff'." Displaying 1-16 of 20 results for: voip 
By Himanshu Dwivedi Voice Over Internet Protocol (VoIP) networks, the technology used to place phone calls through the Internet, suffer from the same security holes as standard IP networks, as well as new threats specific to telephony. Hacking VoIP reviews the many poss... Format: Print, Ebook, Safari Books Online Publish Date: October 2008
Switching to VoIP, 1st Edition By Theodore Wallingford Based on real-world experience, this handy solutions manual addresses the most common VoIP migration challenges. Find out how to build your own VoIP system, install it, and begin making calls--so you can start saving today. Ideal for IT managers, n... Format: Print, Ebook, Safari Books Online Publish Date: June 2005
By Theodore Wallingford Interested in saving money, increasing productivity, or just impressing your friends? If so, then VoIP Hacks can show you how. This practical guide offers dozens of clever tips, tricks, and techniques for working with VoIP, the cool technology tha... Format: Print, Ebook, Safari Books Online Publish Date: December 2005
VoIP Drupal reaches out to the developing world - O'Reilly Radar By Andy Oram The VoIP modules form a door through which Drupal can move into a vast world of touch tone telephones, smart telephones, and text messaging, and therefore toward integrating a huge range of users in developing regions who use those technologies instead of desktop or laptop computers. Publish Date: November 21, 2011
Practical VoIP Using VOCAL, 1st Edition By David Kelly, Cullen Jennings, Luan Dang While many books describe the theory behind Voice over IP, only this one describes how such a phone system was actually built, and how you too can acquire the source code, install it onto a system, connect phones, and make calls. Because VOCAL is op... Format: Print, Safari Books Online Publish Date: July 2002
VoIP encryption in a surveillance society - O'Reilly Radar By Tim O'Reilly Phil Zimmerman, the creator of PGP, will speak on Wednesday in Dennis Allison's class at Stanford about changes in the government's attitude towards encryption. From the lecture announcement: Phil will talk about how the debate on the use of crypto has shifted since the 1990s, when it was a a clash between civil liberties and law enforcement. Today it is... Publish Date: March 05, 2007
VoIP handset on sale in UK supermarkets - O'Reilly Radar By Tim O'Reilly Over on slashdot: Publish Date: January 19, 2006
ETel: VoIP in an Emergency - O'Reilly Radar By Nat Torkington The day before Katrina made landfall, cell towers went down and with them went the area's cellular phone service. Landlines went down shortly before Katrina hit. Satellite phones worked until their batteries ran out and could not be recharged. City officials went two days without outside communication until they realized the hotel that was their improvised command center had a... Publish Date: September 19, 2005
Asterisk: The Definitive Guide, 3rd Edition By Leif Madsen, Jim Van Meggelen, Russell Bryant In this third edition of Asterisk: The future of Telephony, you will design a complete VoIP or analog PBX with Asterisk, even if you have no previous Asterisk experience and only basic telecommunications knowledge. This bestselling guide makes it eas... Format: Print, Ebook, Safari Books Online Publish Date: April 2011 Other Editions: 1st Edition, 2nd Edition
Professional Ubuntu Mobile Development, 1st Edition By Rodrigo Cesar Lopes Belem, Ian Lawrence Ubuntu Mobile is quickly being adopted by mobile device manufacturers and provides Web browsing, e-mail, media, camera, VoIP, instant messaging, GPS, blogging, digital TV, games, contacts, dates/calendar, and simple software updates on every mobile d... Format: Ebook Publish Date: October 2009
Adhearsion - next killer app for Ruby? - O'Reilly Radar By Artur Bergman Foo camp attendee Ben Black alerted me to Adhearsion, a framework for developing applications in the VoIP space. Think of it as a Ruby on Rails for telephony. Developed by Jay Philllps who got frustrated by the slow uptake of Asterisk. Adhearsion is written in Ruby and lets those even without any VoIP experience write applications intuitively and productively or... Publish Date: August 10, 2008
Asterisk an under-appreciated Open Source Success Story - O'Reilly Radar By Tim O'Reilly Sparked by a recent posting to Dave Farber's IP list about a Texas university dumping Cisco's VoIP solution for Asterisk, and Asterisk-maker Digium's new round of financing, I wrote to Farber's list myself, extolling O'Reilly's own switch to Asterisk. The functionality has been great, with voice now just another internet application for us, with new features like voicemail to email... Publish Date: January 03, 2007
By Allison Randal Digium, the company behind Asterisk, is in the final testing phase on a complete software VOIP solution called AsteriskNOW. In addition to the Asterisk software, it includes a simple GUI configuration tool and a custom distribution of Linux slimmed down to meet the needs of a dedicated Asterisk server. It's a smart move by Digium: the already popular Asterisk stands... Publish Date: April 05, 2007
Flickrvision -- Twittervision's new cousin - O'Reilly Radar By Brady Forrest Just released today, Flickrvision shows realtime, geolocated Flickr photos. Just like Twittervision, it's hypnotic to watch. The map moves around to show the location of the most recent tweet or photo. Both visualizations hail from David Troy, a VOIP consultant who has suddenly found himself doing a lot of geo work. David has really been expanding Twittervision. If you... Publish Date: May 14, 2007
ETel: Interview with Surj and Nat - O'Reilly Radar By Nat Torkington Owen Linderholm interviewed Surj and me for VoIP News. They're also having a contest: best four additions to their wiki between Jan 12 and Jan 16 will get free passes to ETel, our Emerging Telephony conference. We've added Jabber and Google to the schedule, and we're closing the last few slots now. It's shaping up to be a blast!... Publish Date: January 12, 2006
ETel: Voipster launches OpenZoep - O'Reilly Radar By Nat Torkington Voipster announced OpenZoep today at ETel. They want it to be the de facto client side code for embedding VoIP into desktop apps, web browsers, games, and so on. The wiki has information on the subversion and trac repositories for the source. It's Windows at the moment, being actively ported to Linux and OS X. They've had over 3,000 downloads... Publish Date: January 25, 2006
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