Troubleshooting SIP/2.0 488 Not Acceptable Media
Last week I had an interesting issue with one of our SIP Voice circuits. Calls to a…
Networking
Networking articles.
AD CS ‘PetitPotam’ Relay Attack Using Mimikatz and ntlmrelayx
Hot on the heels of PrintNightmare, there is yet another way to take over Active Directory. Petit…
Create A Custom Call Variable Layout for UCCX Finesse Desktop
Continuing on with yet more Voice, I recently cutover to a new UCCX 12.5 cluster. As part…
Cisco UCCX Contact ID:x, Channel ID:y, Contact is in Terminated/Connected state.
So I’ve just finished rolling out a fresh UCCX 12.5.x cluster. One of the interesting issues I…
Migrating Cisco IP Phones Between CUCM Clusters
I’m currently in the midst of migrating two old CUCM clusters (8.6.x, 9.1.x) to a new 12.5…
How to Configure a Cisco Call Manager Inter Cluster Trunk
Im currently assigned a project merging two old CUCM clusters (8.x and 9.x) into a new 12.5.x…
Using a Minemeld Feed with a Palo Alto External Dynamic List
This post follows on from my article detailing the setup of Palo Alto Minemeld on Ubuntu 18.04….
How To Setup Palo Alto Minemeld on Ubuntu 18.04
So I’ve been meaning to do a post about this for a while. Minemeld is a cool…
Configuring Cisco Unity Connection with Office 365
Happy New Year everyone! I’ve had a nice break from work and the blog over the holidays…
Configuring a Palo Alto IPSec Tunnel to Microsoft Azure
I recently spent some time working out if using the NBN is a viable solution for IPSec…