Voice and Data Network Design


Sizing Next Generation DSL Access Backhaul - Download spread sheet

access.xls - 684kB: Excel Spread Sheet


Sizing Circuit Switched Core Networks and Your Own PBX (PABX) - Download spread sheet

erlang-c.xls - 370kB: Excel Spread Sheet


370 Mobile Networks- Download spread sheet and performance tools

CoreSize.xls - 18kB: Excel Spread Sheet for sizing core networks

Lattice.xls - 21kB: Network Performance Meters


461 Voice Over IP Delay Calculator - Download spread sheet and performance tools

VoIP-Capacity.xls - 33kB: Excel Spread Sheet for sizing VoIP Links

Quality-2.xls - 685 kB: Excel Spread Sheet for calculating VoIP trunk quality

netmeter.zip - 831kB: Network Performance Meters


Voice clips demonstration of voice digitzation and CODECs

Comp-1.zip - 6,247kB: Zipped 373 demonstration - Part 1

Comp-2.zip - 2,948kB: Zipped 373 demonstration - Part 2

Comp-3.zip - 1,671kB: Zipped 373 demonstration - Part 3

To install, download, unzip all 3 parts into a single folder and point your browser at the file Comp2.htm

please note that this demonstration requires Microsoft medial player and its codecs
which can be downloaded from Microsoft


35kbit/s streaming video