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Handheld VoIP tester

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article image Covers the entire spectrum of tasks required to deploy IP phones to the desktop.

FLUKE Australia has released the NetTool VoIP, a handheld tester that speeds IP phone deployment and troubleshooting. It covers the entire spectrum of tasks required to deploy IP phones to the desktop so network managers can realise faster, less expensive and more reliable IP phone deployments. The tool decodes and displays critical boot events, call control and call quality information.

The Boot Log displays key boot events such as DHCP address acquisition, DNS lookup of call servers and gateways, downloading of operating files and call server registration. NetTool VoIP supports complete troubleshooting of the IP phone boot process including physical layer tests of structured wiring, patch cables, switch port configuration, VLANs and PoE voltage.

The VoIP Log displays call control events, QoS configuration and call quality metrics. The log records call setup, configuration, and tear down of a call in progress. As the call proceeds, the RTP configuration is displayed including IP addresses and ports used, VLAN priority or Diff Serv and codec. Once the call is completed the log displays the RTP quality metrics such as jitter and dropped packets.

The VoIP Monitor feature tracks call quality in progress by measuring the RTP stream and displaying the number of frames, dropped frames, out of sequence frames and jitter. The monitor also displays RTCP endpoint information such as jitter and dropped packets. Statistics are available for both the phone side and the network side while a call is in progress.

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