UC Corner

Disclaimer: The following information is for research and experiment purpose only.  It's not the author's intention to circumvent...

Back in the age of Windows-based CallManager (4.x and before), UCCX (a.k.a CRS) stores its configuration in CallManager DC Directory. When...

Cisco used to bind license file to physical MAC address.  Now, it moves to "License MAC", which is a hash value of multiple system...

Many UC appliances (like CUCM, CUPS, etc.) use database to store configuration.  For security and supportability reason, the regular CLI pro...

There are many posts on Internet teaching you how to get root access on CUCM.  This is not a secret.  Since CUCM is Linux-based, the method...

I was trying to install the UC 8.6.1 suite on my VMware ESXi.  I'm pretty savvy at VMware and UC, thus I didn't bother to download t...

1) Pegboard - A board with holes so you can hang things on it. So you can hang IP phones like this: 2) Remote Power Switch - allows you t...