We are using a two tools; Prognosis and Cisco Works.
Integrated Research, Prognosis www.prognosis.com
This is a neat tool, it can monitor server level processes and system level processes. It has a great trace tool to look at CCM trace files.
Cisco Works, www.cisco.com
We are using Cisco Works Routed WAN package, HP Openview, Cisco Voice Manager 2.0, Cisco QoS manager and we are adding Cisco Voice Health Manager as soon as we can get it. Cisco Works is interesting, since we run a cisco powered network, Cisco Works fits great to manage and monitor our entire network and avvid infrastructure from end to end. With the Cisco Voice Manager I can manage toll bypass implemnetations, and trace voice sterams down to the ip phone level. It's expensive, and time consuming to setup but so far it's been a hugh help.
Tim Medley
Network Architect
VoIP Group
iReadyWorld