downloads

Voice over IP Bandwidth Calculator Tutorial – this is a Microsoft Powerpoint tutorial that describes the VoIP-Calc tool. It has a voice over narration, and takes approx. 5 minutes to view.

VoIP-Calc - a tool for calculating bandwidth required for voice over IP links, allowing ability to choose codec, packet size, etc. It uses Microsoft Excel, and requires a Windows PC running Excel 2000 or newer

Colour Charts for U.S. & Europe – this ,pdf file contains some sample charts from Infotel Seminars. This .pdf file requires Adobe Acrobat Reader, available from: (http://www.adobe.com/products/acrobat/readstep.html)

Traffic Engineering Calculator Tutorial – this is an Powerpoint tutorial that describes the TrafCalc spreadsheet also available here.

TraffCalc - this is an Excel spreadsheet that calculates Erlang-B, Extended Erlang-B, and Engset for blocking probability for trunk sizing.

Traffic Engineering White Paper PDF - this is a white paper / tutorial describing the popular formulas used in designing voice networks. Erlang B & C, Engset, Equivalent Random Theory, and others are described, along with worked out examples for those who want to develop their own tools.

In order to access our downloads and allow us to alert you to updates and new software developments, please provide the following contact information: