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 Network Convergence: Services, Applications, Transport, and Operations SupportThe present information age is enabled by telecommunications and information technology and the continued convergence of their services, technologies and business models. Within telecommunications, the historic separations between fixed networks, mobile telephone networks and data communications are diminishing. Similarly, information technology... |  |  Securing VoIP Networks: Threats, Vulnerabilities, and CountermeasuresCommunication between people has changed with the invention of the telephone. The ability to communicate across continents in real-time has also helped our society in several dimensions including entertainment, trade, finance, and defense. But this new capability did not come without an investment. Building an international telephony... |  |  |
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 Asterisk: The Future of Telephony
This bestselling book is now the standard guide to building phone systems with Asterisk, the open source IP PBX that has traditional telephony providers running scared! Revised for the 1.4 release of the software, the new edition of Asterisk: The Future of Telephony reveals how you can save money on equipment and support, and finally... |  |  IS-IS: Deployment in IP NetworksIS-IS, the Intermediate System to Intermediate System protocol, has been used effectively as a routing protocol for many large-scale networks, including service provider backbone, telephone system management, and power equipment networks. Used in conjunction with the Border Gateway Protocol... |  |  iPhone For Dummies (Computer/Tech)Play podcasts, music, videos, and photo slideshows
Customize your iPhone, fill it with cool stuff, even use it to manage your life
With Apple's iPhone, you have the world virtually in your pocket. But because it does so much, there's much to know about using it! This full-color guide shows you... |
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