Archives for March, 2009

I recently did a somewhat complex install of a Cisco 2800 Integrated Services Router. I enabled many of the features that come standard in the Advanced IP Services IOS, and thought it would be useful to show what a relatively current configuration would look like. What made this installation fun was the use of object [...]

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I had the enjoyable opportunity over the last few weeks to jump in and do a basic Cisco voice install. It was about 110 phones, with the Cisco Unified Communications Manager Business Edition. This is a single box that includes Call Manager 6.1.3, and Unity Connection 2.1. It had to be done fast, and it [...]

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  This has been updated: Choose the Right Switches for Your Local Area Network Upgrade in 2011. It seems like one of the major tasks that I have been doing on a daily basis for the last ten years is creating network designs for people. Since a large part of the business that my company [...]

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Session Initiation Protocol (SIP) trunking replaces legacy connections from your phone system to the telephony company (Public Switched Telephone Network-PTSN), consolidating the number of channels needed. SIP trunking uses your data network to transport voice traffic. SIP trunking removes the dependency on geographic boundaries. For example, a local PSTN call in Dallas can ring an [...]

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