VoIP has been drawing a lot of attention in the past couple years. This section covers the types of applications that are anticipated for VoIP, as well as what network elements are required to make VoIP work and provide similar capabilities to what we're used to from the PSTN.

VoIP Trends and Economics

Although VoIP calling is used for billions of billed minutes each year, it still represents a very small percentage of the market—less than 5% overall. According to Telegeography (www.telegeography.com), 40% of VoIP traffic originates in Asia and terminates in North America or Europe; 30% travels between North America and Latin America; one-third of U.S. international VoIP traffic goes to Mexico, with future volume increases predicted for ...

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