Enabling Call Screening Based on Caller ID in CUCM

Occasionally I am asked to configure the ability to block calls based on Caller ID. Prior to Cisco Unified Communications Manager (CUCM) v8, the only way to block these calls was to configure voice translation rules and profiles on the gateway receiving the calls. This has changed in CUCM v8 with the introduction of an additional parameter in translation patterns: Route Next Hop By Calling Party Number.

Read more

Introducing Online Proctored MCP and MTA Exams

Come on, admit it: you’ve always wanted to take one of our exams in your pajamas. I can’t be the only one. Or maybe you travel for business frequently and find yourself in a hotel room with nothing to do and nothing good on TV. Or maybe you just live hours away from the closest testing center and hate the idea of wasting fuel and time to get there.

Read more

What’s New With LDPv6 and Where We Are on the Updated Protocol

Now that IPv6 is progressing and being deployed more and more, there is a need for a change to the underlying infrastructure. Most providers today use MPLS as their core technology to support a vast number of services to their customers, including Layer 3 VPNs. Larger enterprise networks have also implemented MPLS within their own core in a private MPLS cloud.

Read more