The acronym “STUN” stands for two definitions with two different meanings as follows: STUN – Simple Traversal of User Datagram […]
OSPF The Ultimate For CCIE Enterprise and Infrastructure Exam kindle and paperback format
After my first publication of the book OSPF Demystified With RFC in 2014 which goes beyond the CCIE level which […]
Certificate Pinning in Cisco Meeting Server
Certificate pinning is introduced on cisco meeting server starting in CMS 3.0 to help prevent man in the middle attack. […]
How to decrypt IPSEC packet using wireshark
Sometimes you want to see how the tunnel and the transport modes works with encapsulation, especially when using GRE over […]
The Accept Replaces Header why do we need this option for CallBridge Groupe Meeting Server
The Call Bridge Group feature on Cisco Meeting Server is an advanced optimization to avoid excessive distribution calls that requires […]
Populate the Self Service User ID Automatically
Sometimes, you want to populate the Self Service User ID and the Primary Extension + the Conference Now Meeting Number […]
Phone Presence Status
Sometimes you troubleshoot the phone presence status issue, or you are wondering how the status is retrieved by IMP, the […]
The Translation Pattern to match the Calling Number
The translation pattern is the most important tool in the Call Routing Process on Cisco Unified Communication manager. By definition […]
Dial Plan Call Routing Demystified Cisco Unified Communication Manager Kindle Format
Description: Dial plan and Call Routing are the most important complex components for any Cisco Unified Communications system and deployment. […]
Network Security All-in-one ASA FTD ISE WSA Umbrella ISE Layer 2 Security Kindle Fomat
This book is written for Network engineers working in the Security field and to prepare the CCNP Security exam, it […]
Demystify and Simplify 