Cisco Translation Rules, CDRs, and Unity Connection

The Request:

I had a new client contact me requesting that I investigate a call that came in over the weekend where an external customer was able to leave a voicemail on an internal users extension, using the corporate IVR, instead of being routed to the weekend service. This behavior was unacceptable and caused much concern throughout the leadership. The client provided me the internal extension where the voicemail was left and a timeframe. Since I was relatively new to the system I was excited to get my hands dirty and really investigate the routing. As all voice engineers know, coming into a system someone else built can always be an adventure…

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Cisco VRF/MP-BGP Router On A Stick With Nat

The Request:

I was approached by a client who wanted me to build their multi tenant network for a small office building. During the initial meeting it came out that they already had equipment and would like to use this equipment without purchasing much more. This is what I had to work with:

  • 1 x Cisco X8XX Series ISR1
  • 6 x Cisco 2960X Switches

The client also has an existing Cisco Unified Communications System that they will be configuring to provide voice services to all of the tenants. There will be no LAN-to-LAN communications between the tenants. There will be a reasonable amount of commercial grade Internet access and the tenants will be allowed to host some services locally (e-mail, collaboration software, etc.).

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