Voice-Data ConvergenceVoice Over IP
This paper gives an overview of voice-data convergence technologies and how Xilinx high volume programmable devices can be used to overcome some of the significant challenges facing the designers of these systems. The Xilinx products targeted at these high-volume applications include XC9500XL and CoolRunner CPLDs and Spartan-II FPGAs. This appendix starts with an overview of voice-data convergence technologies and the benefits they bring to the users. We will then describe the product architectures that are used to implement VoIP gateways and IP phones. The final topic will be to show how Spartan-II devices can be used in these applications.
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