Cisco Packetized Voice and Data Integration by Robert Caputo

By Robert Caputo

All the, step by step advisor to integrating voice and knowledge in Cisco-based networks, with complete insurance of Cisco's packetized voice-enabled items.

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Extra resources for Cisco Packetized Voice and Data Integration

Sample text

With lower cost DSL local loops, companies now access the Internet and service provider–based VPNs at significantly increased speeds enabling higher call volumes for VoIP calls. Page 17 Central Processing Unit Technology Central processing units (CPUs) have continued to increase in functionality, power, and speed. This has enabled widespread deployment of multimedia PCs and improved the performance of system functions bound by CPU power. The PC's ability to process streaming audio and video has created an expectation within the user community that making voice calls over the data network is a logical next step.

This book is intended to help network managers and engineers to understand and integrate this technology into their Cisco-based infrastructures. The excitement over packet-based voice implementations is fueled by several factors, including new voice processing technology, the promise of computer telephony integration, reduced operating costs, increased network bandwidth, the ubiquity of the Internet and IP capable networks, and, of course, marketing hype. Cisco was quick to forecast this trend and began acquiring technology and expertise early on with acquisitions such as Stratacom, Ardent, and many others.

The network links can be any topology or access method that supports IP traffic. IP-to-Data Conversion The destination voice over IP device receives the IP datagram and processes it. In processing the datagram, the addressing and control information is removed so that the original raw data remain. The raw data are then presented to the voice decoding process. Conversion from Data Back to Voice The voice decoding process interprets the raw data generated by the source station and runs them through the decoding function.

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