July 2009
Intermediate to advanced
752 pages
23h 19m
English
IP telephony can no longer be considered an immature technology—many offices around the world have IP phones on their desks. In fact, most people don’t realize that their office utilizes IP telephony due to the improved voice quality, compression techniques, and ease of use. For years, IP telephony solutions were proprietary solutions, but the standards organizations have taken charge, creating features such as Power over Ethernet, LLDP-MED, and IP signaling protocols. With any luck, when you deploy your IP telephony network, all you will have to do is plug it in.
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