Author name: Rolando A. Valenzuela

I am a Cisco Certified Network and Collaboration Engineer (CCNP) with over 9 years of experience and a passion for all things technology. I have spent most of my time mastering the world of networking and collaboration, but still find myself dabbling in cloud computing and programming. Solving problems and learning something new in the process is my favorite part of the job. Having a depth understanding of the technology is what has driven my success.

Useful SQL queries for Cisco Unity

Rolando A. Valenzuela / January 29, 2023

Have you ever wonder how to determine how many voicemails an user may have? or maybe how much space those […]

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Export SSL private key from Windows

Rolando A. Valenzuela / January 28, 2023

The big difference between a named certificate (cucm.uccollabing.com) and a wildcard (*.uccollabing.com) beside the Common Name (CN) is that the

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How to read a SIP packet capture using Wireshark

Rolando A. Valenzuela / December 20, 2022

I lot happens in the background when you pick up a handset and call someone with two leading the party

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CUCM – Secure LDAP

Rolando A. Valenzuela / August 6, 2022

Cisco Unified Communications Manager – Secure LDAP Expanding a little bit on our previous post CUCM LDAP Active Directory Integration-Sync

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