"Fluke Networks announces the new NetTool Series II Inline Network Tester with NetProve diagnostics to identify and isolate enterprise network and application connectivity problems more than four times faster than traditional methods."

This provides you a front-line VoIP management tool for verify link readiness during pre-deployment planning, as well as troubleshoot problems on active networks by monitoring real-time VoIP traffic. Simple inline connectivity provides visibility into VoIP calls to quickly diagnose both IP phone boot-up and call control problems, and to measure key call quality metrics. Series II adds H.323 to existing SIP and SCCP support.

You can read more about the NetTool Series II here