Mobile Security with PointSharp

Everybody knows that Lync is secure, it uses TLS encryption for signalling and media end-to-end, but for some companies that’s not enough. It’s not only important that the application traffic be secured, but the devices and credentials used to access and use corporate services also need to be kept safe.…

Continue reading

Ringback, Silence, Ringback

It can be easy to take things like the dial-tone, or ringback for granted… until they don’t act like you expect them to. And we all know that if something doesn’t act like people expect, it can only mean one thing.. increased calls to the IT helpdesk 🙂 Here’s my retrospective…

Continue reading

SIP Pinger Tool

Checking connectivity to a TCP SIP Trunk is easy enough, “telnet” is the Swiss Army knife of any techie toolkit, and it should show that routing and firewall rules are configured correctly. However, I’ve had a couple of situations where that wasn’t enough. First example involved Checkpoint firewalls between all client sites, and…

Continue reading

Lync Central Forest Topology with Forefront Identity Manager (FIM)

The idea of this article is to explain what role FIM plays in multiple forest Lync deployments, and how it does it. This is going to be another long article, so shall we get the awkward bit over with, and let me tell you a story of how I first came to know FIM.…

Continue reading