The SBC and the Enterprise Firewall

I’ve found over the years that the SBC’s placement and the surrounding network and firewalls is sometimes more important than the SBC configuration itself. The enterprise firewall has always been a pet peeve of mine. The security teams generally like to use enterprise firewalls to secure and monitor all inbound and outbound traffic to the … Continue reading The SBC and the Enterprise Firewall

Microsoft Teams and Click to Call on Windows 10 with Outlook and Chromium

Since Remote Call Control (RCC) and Call via Work (CvW) features have not been implemented on Microsoft Teams and presumably never will be, I have had numerous conversations with organizations around how to do click to call going forward. I started to wonder how well this feature is actually supported with Microsoft Teams and decided … Continue reading Microsoft Teams and Click to Call on Windows 10 with Outlook and Chromium

Voice Training for Microsoft Teams

I often get asked about what kind of voice/communication specific training is available for Microsoft Teams by customers with internal UC departments that have legacy Cisco or Avaya resources who need to be re-trained. In the olden days, not so long ago you would send your people out for a few 5-day instructor lead courses … Continue reading Voice Training for Microsoft Teams

Teams Direct Routing Certificate Providers

Getting ready to setup the home lab again to tinker with Teams Direct Routing, I’m in need of a single server certificate for the virtual SBC that I will be publishing. As I am not a Microsoft MVP, I don’t get the same perks, like free certificates from DigiCert. So it was time to look … Continue reading Teams Direct Routing Certificate Providers

Configure SPF and DMARC for Office 365 and IIS SMTP.

So, what is all the fuss with DMARC when we already have SPF in place? Aren’t we already validating the sending SMTP domain? The answer is; yes and no. The SMTP domain is only being partially validated. This is meant to be a “how to” tutorial and by no means a detailed explanation on how … Continue reading Configure SPF and DMARC for Office 365 and IIS SMTP.