Chapter 20. Voice Technology
The transmission of voice traffic over packet networks, such as Voice over Frame Relay (VoFr), Voice over ATM (VoATM), and especially voice over IP (VoIP), is rapidly gaining acceptance. Collectively, these methodologies are known as Voice over X (VoX). Voice over packet transfer can significantly reduce the per-minute cost, resulting in reduced long-distance bills. Many dial-around-calling schemes available today rely on VoIP backbones to transfer voice, passing some of the cost savings to the customer. These high-speed backbones take advantage of the convergence of Internet and voice traffic to form a single managed network.
The convergence of voice and data networks opens the door to innovative applications. Interactive ...
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