AT&T Corp. and WorldCom Inc. last week separately introduced services designed to help customers cut costs and simplify their networks by running voice traffic over new or existing IP and frame relay ...
Clarent last week announced two products that could help put bundled IP voice and data offerings on service providers’ menus. The voice-over-IP equipment firm will introduce a new softswitch and ...
You’ll learn how voice is signaled through legacy telephone networks, how IP signaling protocols are used to interoperate with current telephony systems, and how to ensure good voice quality using ...
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