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February 28, 2010  8:35 AM

Virtualizing VoIP



Posted by: Tony Bradley
bandwidth, jitter, lag, Virtualization, voice quality, VoIP

Two of the hottest technologies over the past few years have been virtualization, and VoIP (three technologies if you throw in unified communications). Companies have been racing to jump on the bandwagon of virtualizing servers to save reduce hardware, power, and cooling expenses, and embracing...

July 8, 2009  8:49 PM

Troubleshooting VoIP / UC Issues



Posted by: Tony Bradley
capsa enterprise, colasoft, dropped packets, jitter, latency, network analyzer, packet sniffer, troubleshoot, UC, Unified Communications, VoIP

Networking has always been a more or less imperfect science...perhaps more of an art? The TCP/IP suite of protocols are designed with the base concept that transmitting packets of data is prone to errors and the protocols need to have mechanisms built in to manage dropped packets, latency, and...


January 24, 2009  12:46 PM

Managing VoIP Quality



Posted by: Tony Bradley
jitter, latency, quality of service, Unified Communications, VoIP aware, VoIP quality

The TCP/IP suite of protocols was designed with some safeguards against packet latency and alternative routing. When sending a data file, some packets may take a different path than others and the packets may arrive out of order. But, with TCP/IP that is OK because the protocols understand how to...


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