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 |  |  Deploying Cisco Voice over IP SolutionsIf you've got a wide area network (WAN) already, putting interoffice voice traffic on it is an obvious application for it. Voice signals take up so little bandwidth, and the cost savings can be so significant, that Voice over IP (VoIP) deserves serious consideration. However, you can easily throw away years of cost savings by bringing in... |  |  Implementing Voice over IPIn general, voice transmission over the Internet protocol (IP), or VoIP, means transmission of real-time voice signals and associated call control information over an IP-based (public or private) network. The term IP telephony is commonly used to specify delivery of a superset of the advanced public switched telephone network... |
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 Microsoft(r) Windows(r) 2000 Server Administrator's CompanionMICROSOFT WINDOWS 2000 SERVER ADMINISTRATOR'S COMPANION brings network administrators, systems engineers, and other MIS professionals up to speed on the latest features of Windows 2000 Server, including Active Directory(tm) services, Microsoft Internet Information Server 4.0, the new, integrated console for administrative tools, and more. It's the... |  |  UNIX Unleashed: System Administrator's EditionMaster the Unix file systems and syntax as both a user and administrator with Unix Unleashed: System Administrator's Edition. Become an expert on the Unix system's organization, file storage, and essential commands. This large, comprehensive volume provides you with the fundamentals of system administration, including how to get around the... |  |  A+ Certification BibleA business runs on its software, which means that it's possible to make a very nice living by maintaining the hardware that enables business software to go. The CompTIA A+ professional certification is the generally recognized token of accomplishment in the areas of Intel-compatible hardware configuration and the hardware-related parts of the... |
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