Hi Krishna,

Cisco does offer some good Management/Monitoring products in the UC space. Have a look;

Key Features of Cisco Unified Operations Manager

Real-time visualization and monitoring of the entire Unified Communications system supports more efficient troubleshooting

Active service assurance ensures that devices and applications are functioning as they should, and reveals faults and performance issues before they affect service

Powerful diagnostic tests and troubleshooting capabilities rapidly isolate faults and increase productivity

Correlation, analysis, and presentation of voice service quality data and alerts make use of information available through Cisco Unified Service Monitor

Inventory and change monitoring enable tracking of complete details of unified communications devices and IP phone inventory

Cisco Unified Operations Manager does not deploy any agent software on the devices being monitored, so it will not disrupt system operations

Cisco Unified Operations Manager helps reduce system maintenance costs, improve productivity, and increase user satisfaction by providing a comprehensive monitoring, alerting, and troubleshooting view into the entire Cisco Unified Communications environment.

http://www.cisco.com/en/US/products/ps6535/index.html

Unified Communications Network Management

http://www.cisco.com/en/US/products/ps5747/Products_Sub_Category_Home.html#

Hope this helps!

Rob