With Vijay Rao and Amit SinghDrive to 9 is a comprehensive and holistic program designed to help you upgrade the current Cisco® Unified Communications Manager installed base to version 9.1 or higher. This upgrade will enable customers to have next-ge...

With Raees Shaikh and Amit SinghDuring the live event, Cisco subject matter experts Amit Singh and Raees Shaikh focused on Cisco Unified CallManager security fundamentals and implementation. The webcast included a review of the security by default fe...

Souvik Ghosh is a customer support engineer at the Cisco Technical Assistance Center in Bangalore, India. He has three and half years of experience in LAN switching technologies. LAN switching products such as the Cisco Catalyst 6500, 4500, 3750, and...

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Private IP addresses are not valid on the Internet whereas, public IP addresses are valid as nodes on the Internet. They can be resolved and routed across the Internet from one point to another unlike private IP. The following IPv4 address ranges are...