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Tech How-to: E911 Compliance without the hassle

Becoming E911 compliant doesn’t need to be a hassle. I’ll show you what’s involved so you don’t have to figure it out on your own or risk choosing the wrong solution.   What is E911 and when does it go into effect? In a nutshell, all US companies using multi-line...

Tech How-to: Preventing CUCM Ungraceful Shutdown

In the latest updates to CUCM 12.5 and 14, Cisco has added unclean shutdown detection to CVOS/UC OS. If a server is powered off without being shut down, the following warning message will be displayed after the server is booted again:Correcting this issue requires the...

Tech How-to: Improve the Monitoring for UC Systems

As in any other area of computing, there are always new methods and advances in technology to improve the way we do things. One of our core values at Stack8 is constant improvement. We pride ourselves in consistently figuring out how we can improve—and improving our...

Tech How-to: Troubleshooting Webex Issues

If you’re experiencing connection issues with Webex on some networks but not on others—such as home versus office—here are some tips and tricks to help fix the problem. Connectivity It’s important to remember that when using cloud services, there are many moving...

Tech How-to: Troubleshooting Cisco’s UC Firewall Rules

Is your monitoring system detecting erroneous outages? Are you noticing unusual network behaviour? Chances are it’s due to firewall rules on some Cisco UC appliances. In this post, I will show you how to check the firewall rules, patch the problem, and diagnose the...

Tech How-to: Cisco UCS Virtual Drive RAID bug fix

Struggling with severe performance issues using Cisco Business Edition 6000/7000 Series RAID Servers? Spending hours trying to upgrade your rack servers—only to be hit with cryptic “Unexpected Timeout Error” messages? You’re not alone. After days of unsuccessful...

Unified Communications from the IT frontlines

As part of most IT teams, one is expected to deal with all kinds of unexpected issues and requests. Some of those issues and requests will necessarily involve Unified Communications—whether it’s to assign 50 new extensions for a brand-new branch office or (more likely...

Cisco Introduces New Collaboration Licensing Solution – Flex 3.0

Effective September 23rd, Cisco has released its latest version of its collaboration licensing solution Cisco Flex 3.0. What’s new in Flex 3.0 Version 3.0 offers several essential changes that will impact existing users and potential new users interested in Cisco...

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