ADMIN - Explore the new world of system administration! ADMIN is a smart, technical magazine for IT pros on heterogeneous networks. Each issue delivers technical solutions to the real-world problems you face every day. Learn the latest techniques for better:
network security
system management
troubleshooting
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virtualization
cloud computing
on Windows, Linux, Solaris, and popular varieties of Unix.
This month we’ll show you some popular Linux tools for Internet telephony
Voice over IP (VoIP) refers to the set of technologies providing voice communications over TCP/ IP networks. Of course, the biggest TCP/ IP network is the Internet itself, and the ultimate goal of the VoIP industry has always been to find a way to use the Internet for ordinary phone calls. Early VoIP efforts faced several challenges, including quality of service issues, hardware issues, and a general lack of bandwidth. If you’ve been reading the Internet ads recently, though, you’ll have noticed that these issues have largely been addressed. Internet phone services are quickly becoming popular around the world.
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