Configuring STP interoperability between Dell and Cisco Switches
Consider the following network diagram: – Dell OS10 Cores in VLT mode. – Cisco Switches running IOS-V…
Cisco
UCCX 12.5.(1)SU3 Upgrade – Switch Version ERROR: Acquiring lock failed
Last weekend I completed a Cisco UCCX 12.5(1)SU1 to SU3 in place ugprade. The reason for doing…
Configuring Cisco Unity Connection OAuth2 for Office 365 Integration
Microsoft have recently deprecated basic authentication in Exchange Online (Office 365) and in doing so require all…
A Tale of SIP, RTP and the One Way Audio Issue
I’d tell you a UDP joke, but you might not get it! Nothing is more apt with…
How To Stack a Cisco 3850/9300 Catalyst Switch
OK long time no post. That’s my bad. I have been busy rolling out Cisco Catalyst switching…
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…
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…
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…
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…
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